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Honeywell Inc.
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Page 2
Basic Switches BZ/BA Series
Standard
STANDARD BASIC SWITCH CUT-A-WAY
Thecut-a-wayshown isrepresentativeofthestandard basicswitchesdescribedin this
catalog.
GENERAL INFORMATION
MICROSWITCHstandardbasicswitches
are precision snap-action mechanisms
enclosed in accurately molded plastic
cases. These switches are carefully manufactured and thoroughly inspected.
They are industry known for their compactness, light weight, accurate repeatability and long life.
MOUNTING DIMENSIONS
Mounting dimensions are included at the
end of each product section. They are
shown in English and metric equivalents.
These dimensions are for reference only.
Forexactinglayoutwork,requestanengineeringlayout work,requestanengineering drawing from the 800 number.
Mountingholes forTypesBZ,BM,BA,BE,
DT,MT,and 6AS switches accept pins or
screws of .139 inch (3,53 mm) diameter.
RECOMMENDED TORQUE (max.)
Mounting screws............3in./lbs.*
Terminalscrews..............4in./lbs.
Panel mount bushing .......4-6in./lbs.
*Note: Tightening mounting screws
above 3 in./lbs. changes operating characteristics and increases
the possibility of cracking the
case.
The type BZ switch design meets most
applications needs. Modifications of the
standard silver contact design and material, spring configuration, and plunger locations give the type BM, BA and BE
switches greater electrical load handling
capacity.Otherchanges in materials and
switch design provide operating characteristics, temperature tolerances, and
sealing to cover a wide range of special
requirements.
GENERAL SWITCH IDENTIFICATION
First letter in catalog listing designates:
B = Single-pole double-throw
W = Single-pole single-throw (normally closed)
Y = Single-pole single-throw (normally open)
Second letter in catalog listing designates:
Z = Standard15-ampversion
M = 22-amp version
A = Standard 20-amp version
E = 25-amp version
Thissectioncoversonlyover100ofourmostpopularBZ/BAtype Series
catalog listings. If you don’t find what you’re looking for, it’s likely one of
the approximately 1800 other active listings will meet your needs. Con-
tact the 800 number.
FEATURES
1
Operating force as low as 4 oz. (113
grams) maximum
1
Sensitive differential travel as low as
.0002 to .0003 inches (0,005 to 0,008
mm)
1
Power load switching capability to 25
amperes
1
Motor handling capacity to 2 horsepower at 250 VAC
1
Long mechanical life
1
High temperature constructions for up
to +400°F (204°C)
1
Momentary or maintained contact
action
1
Alloy contacts available for special application needs
1
Varietyof integral actuators
1
Varietyof auxiliary actuators
1
Varietyof terminal designs
1
Optional sealed plunger and cover
1
Stainless steel snap spring available
1
Military standard construction available with over 50 listings on the MILS-8805 Qualified products list
1
UL recognized, CSA certified
Characteristicsasstatedare taken atnormal room temperature and humidity.
These may vary as temperature and humidity conditions differ.
Basic Switches
Standard
UL/CSA
Our basic switches are Component Recognized by Underwriters’ Laboratories, Inc. and certified by Canadian Standards Association.TheBA, BZ,andBMline iscoveredas SpecialUseSwitches toULStandard1054;theBElineiscoveredasan IndustrialMotor
Controller to UL Standard 508.
Agency File References
are: BA UL File E12252, issued 12-09-88
Forapplicationhelp:call1-800-537-6945.HoneywellSensingandControl47
BM UL File E12252, issued 12-08-88
BZ UL File E12252, issued 6-29-89
BE-1,2,5 UL File E22779, Vol. 4, Sec. 1
BE-R UL File E22779, Vol. 4, Sec. 2
Page 3
Basic Switches BZ/BA Series
Standard
AVAILABLE TERMINALS
Most of the BZ/BA catalog listings have
A2 type terminals. Several other terminal
stylesare shownandothers areavailable.
Specificinformationshouldberequested
from the 800 number or local Authorized
Distributor.
Solder (No suffix)
Use up to #14 wire
D6
N (6,35 mm) wide × .032N (0,81 mm) thick
.250
quick-connect
A2
Bottom facing 6-32 NC
screw with cup washers
A4
(Same as A2 except #8 screws)
ACTUATORS
BA, BE, BM and BZ standard basic
switches use the actuators described.
× .218N
P4
Side facing 8-32 × .218N screw with cup washers
T
Bottom facing 6-32 NC
with Sems lockwashers
× .218N screw
D5
.250N (6,35 mm) wide × .030N (7,62) thick
quick-connect
PC2
Self lifting pressure plate terminals and plastic
barriers for added dielectric protection
Pin plunger; in-line motion Overtravel plunger; in-line
Roller lever; Verylow force, fast
moving cams
applications requiring additional
overtravel
Roller leaf; Low-force, large
movement actuation
Added overtravel in a panel mount
roller plunger; Actuation by cams
Lever; Verylow force, slow cams and
slides
Leaf; Low-force, slow moving cams or
slides
Added overtravel in a panel-mount
plunger; Heavy-duty in-line
applications or slow cams.
Cam rise should not exceed 30°
48HoneywellSensingandControlForapplicationhelp:call1-800-537-6945.
Page 4
Basic Switches BZ/BA Series
Standard
Characteristics: O.F. — Operating Force; R.F. — Release Force; P.T.
— Pretravel; O.T. — Overtravel; D.T. — Differential Travel;O.P. —
ORDER GUIDE by ascending electrical capability
Operating Position.
PIN PLUNGER
BZ/BA TYPE
Dim. Dwg. Fig. 1
SEALED TYPE
Dim. Dwg. Fig. 2
BA/BE TYPE
Dim. Dwg. Fig. 3
Electrical
Data And O.F. R.F. min. P.T. max. O.T. min. D.T. O.P.**
Catalog UL Codes newtons newtons mm mm mm mm
Listing Recommended For Page 46 ounces ounces inches inches inches inches
BZ-2R72-A2
BZ-2R725551-A2
BZ-2R244-A2
BZ-R21-A2
BZ-2R-A2
WZ-2R-A2
YZ-2R-A2
BZ-R-A2
BZ-R19-A2
BZ-2R24-A2
BZ-2RT04
(8805/1-004)
BZ-2R05-A2
BZ-2R5551-A2
BZ-2R55-A2-S
BA-2R-A2
BA-2R24-A2
BM-1R-A2
BE-2R-A4
Applications requiring
gold alloy contacts
Gold alloy contacts
Dustproof and splash
resistant seal
Operating in temp. to
+400°F (204°C) for
100 hours
Lower force 10 Amps 1,11 0,7 0,30 0,13 0,005-0,013 15,88
Most applications
SPDT
SPST (normally
closed)
SPST (normally open) 15 Amps 2,5-3,61 1,11 0,38 0,13 0,01-0,05 15,88
Less differential travel 15 Amps 1,95-2,5 1,11 0,30 0,13 0,005-0,008 15,88
Best repeatability 15 Amps 1,95-3,34 1,11 0,30 0,13-0,2 0,005-0,02 16,26
Operating in temp. to
+250°F (121°C)
MIL-S-8805application
requirements
Best stability under
varying humidity
Dustproof and splash
resistant seal
Best service for sealed
construction. Stainless
steel internal snap
spring.
Up to 20 ampere load
handling
Operating in
temperature to
(121°C)
Up to 22 ampere load
handling
Up to 25 ampere load
handling
+250°F
1 Amp 2,5-3,61 1,11 0,38 0,13 0,01-0,05 15,88
P 9-13 4 .015 .005 .0004-.0020 .625
1 Amp 2,22-4,17 1,11 — 0,13 0,01-0,06 15,88
P 8-15 4 — .005 .0004-.0025 .625
5 Amps 2,5-3,61 1,11 0,38 0,13 0,01-0,05 15,88
B 9-13 4 .015 .005 .0004-.0020 .625
C 4 2.5 .012 .005 .0002-.0005 .625
15 Amps 2,5-3,61 1,11 0,38 0,13 0,01-0,05 15,88
A 9-13 4 .015 .005 .0004-.0020 .625
15 Amps 2,5-3,61 1,11 0,38 0,13 0,01-0,05 15,88
A 9-13 4 .015 .005 .0004-.0020 .625
A 9-13 4 .015 .005 .0004-.0020 .625
D 7-9 4 .012 .005 .0002-.0003 .625
D 7-12 4 .012 .005-.008 .0002-.0008 .640
15 Amps 2,5-3,61 1,11 0,38 0,13 0,01-0,05 15,88
A 9-13 4 .015 .005 .0004-.0020 .625
15 Amps 2,5-3,61 1,67 0,38 0,13 0,01-0,05 15,88
A 9-13 6 .015 .005 .0004-.0020 .625
15 Amps 2,5-3,61 1,11 0,38 0,13 0,01-0,05 15,88
A 9-13 4 .015 .005 .0004-.0020 .625
15 Amp 2,5-4,17 1,11 — 0,13 0,01-0,06 15,88
A 9-15 4 — .005 .0004-.0025 .625
15 Amps 2,5-4,17 1,11 — 0,13 0,01-0,06 15,88
A 9-15 4 — .005 .0004-.0025 .625
20 Amps 3,89-6,12 2,78 1,27 0,25 0,05-0,19 16,26
G 14-22 10 .050 .010 .0020-.0075 .640
20 Amps 3,89-6,12 2,78 1,27 0,25 0,05-0,19 16,26
G 14-22 10 .050 .010 .0020-.0075 .640
22 Amps 1,95-2,78 1,11 0,38 0,13 0,013-0,025 15,88
F 7-10 4 .015 .005 .0005-.0010 .625
25 Amps 3,89-6,12 2,78 1,27 0,25 0,05-0,19 16,26
H 14-22 10 .050 .010 .0020-.0075 .640
Basic Switches
Standard
Dim. Dwg. Fig. 4
BZ-RX
WA-1RX-A4
*Reset characteristics. Except where stated ** ±0,38mm
Manual reset
(maintained contact)
applications, solder
terminals
Manual reset SPSTNC, A4 terminals
15 Amps 1,95-2,5 — 0,30 0,13 — 15,88
E 7-9 — .012 .005 — .625
0,56-2,78* — — 0,38*
2-10 — — .015
20 Amps 5,56 — — 0,25 0,20 16,26
W 20 — — .010 .008 .64
6,95* — — — — 27,9*
25 — — — — 1.10
All catalog listings shown are not
necessarily stock items. Stocking
depends on sales experience.
Auxiliary actuators see p. 62-63.
Forapplicationhelp:call1-800-537-6945.HoneywellSensingandControl49
±.015 in.
Page 5
Basic Switches BZ/BA Series
Standard
Characteristics: O.F. — Operating Force;
R.F. — Release Force; P.T. — Pretravel;
O.T. — Overtravel; D.T. — Differential Travel;
OVERTRAVEL
PLUNGER
Dim. Dwg. Fig. 11
ORDER GUIDE
Electrical
Data and O.F. R.F. min. P.T.max. O.T.min. D.T. O.P.*
Catalog Listing Recommended For Page 46 ounces ounces inches inches inches inches
BZ-2RD72-A2 Applications requiring gold
BZ-2RD-A2 Added overtravel. For
BZ-2RD24-A2 Operating in temperature
BM-1RD-A2 Up to 22 ampere load
alloy contacts
manual operation andslow
° (max) camrise
20
°F (121°C)
to +250
handling
UL Codes newtons newtons mm mm mm mm
1 AmpP2,5-3,61
15 AmpsA2,5-3,61
15 AmpsA2,5-3,61
22 AmpsF1,95-2,78
O.P. — Operating Position.
9-13
9-13
9-13
7-10
1,11
4
1,11
4
1,11
4
1,11
4
0,38
.015
0,38
.015
0,38
.015
0,38
.015
1,52
.060
1,52
.060
1,52
.060
1,52
.060
0,01-0,05
.0004-
.0020
0,01-0,05
.0004-
.0020
0,01-0,05
.0004-
.0020
0,013-0,025
.0005-
.0010
21,21
.835
21,21
.835
21,21
.835
21,21
.835
Dim. Dwg. Fig. 12
Dim. Dwg. Fig. 13
Dim. Dwg. Fig. 14
BZ-2RDS725551-A2 Applications requiring gold
BZ-2RDS5551-A2 Dustproof and splash
BA-2RB-A2 Upto 20 ampere load
BE-2RB-A4 Up to 25ampere load
BZ-2RS72-A2 Applications requiring gold
BZ-2RS-A2 Added overtravel. For
BZ-2RS24-A2 Operating in temperature
BZ-2RST04 MIL-S-8805 application
BZ-RSX Manual reset
BM-1RS-A2 Up to 22 ampereload
alloy contacts plus
dustproof and splash
resistant seal
resistant seal
handling
handling
alloy contacts
in-line operation andwith JR
auxiliary actuators
°F (121°C)
to +250
requirements
solder terminals
handling
1 AmpP3,61-5,28
13-19
15 AmpsA3,61-5,28
13-19
20 AmpsG3,89-6,12
14-22
25 AmpsH3,89-6,12
14-22
1 AmpP2,5-3,61
9-13
15 AmpsA2,5-3,61
9-13
15 AmpsA2,5-3,61
9-13
15 AmpsA2,5-3,61
9-13
15 AmpsE1,95-2,64
7-9
22 AmpsF1,95-2,78
7-10
1,11
4—
1,11
4—
2,78
10
2,78
10
1,11
4
1,11
4
1,11
4
1,67
6
—
—
1,11
4
1,27
.050
1,27
.050
0,38
.015
0,38
.015
0,38
.015
0,38
.015
0,30
.012
0,38
.015
1,52
.060
1,52
.060
2,39
.094
2,39
.094
1,52
.060
1,52
.060
1,52
.060
1,52
.060
0,64
.025
1,52
.060
0,01-0,063
.0004-
.0025
0,01-0,063
.0004-
.0025
0,05-0,19
.0020-
.0075
0,05-0,19
.0020-
.0075
0,01-0,05
.0004-
.0020
0,01-0,063
.0004-
.0025
0,01-0,05
.0004-
.0020
0,01-0,05
.0004-
.0020
—
—
0,013-0,025
.0005-
.0010
28,20
1.110
28,20
1.110
26,20
1.03
26,20
1.03
28,20
1.110
28,20
1.110
28,20
1.110
28,20
1.110(M8805/1-012)
2,79
1.11
28,20
1.110
BZ-2RS7225551-A2 Applications requiring gold
alloy contacts plus
dustproof and splash
resistant seal
BZ-2RS5551-A2 Dustproof and splash
resistant seal
1 AmpP2,5-4,17
9-15
15 AmpsA2,5-4,17
9-15
1,11
4—
1,11
4—
1,52
.060
1,52
.060
Dim. Dwg. Fig. 15
50HoneywellSensingandControlForapplicationhelp:call1-800-537-6945.
0,01-0,063
.0004-
.0025
0,01-0,063
.0004-
.0025
28,20
1.110
28,20
1.110
*
±0,51mm
±.020 in.
Page 6
Basic Switches BZ/BA Series
Standard
OVERTRAVEL
PLUNGER
Dim. Dwg. Fig. 16
BZ/BM TYPE
Dim. Dwg. Fig. 17
BA TYPE
Dim. Dwg. Fig. 18
ORDER GUIDE
Electrical
Data and O.F. R.F. min. P.T.max. O.T. min. D.T. O.P.**
Catalog Listing Recommended For Page46 ounces ounces inches inches inches inches
BZ-2RQ-A2 Added overtravel. For
BZ-2RQ24-A2 Operating in temperature
BZ-2RQ172-A2 Applications requiring gold
BZ-2RQ1-A2 BZ-2RQ-A2 type applications
BZ-2RQ1T04 MIL-S-8805 application
BZ-2RQ124-A2 Operating in temperature
BZ-2RN702 Furnished with
BZ-RQ1X Manual reset.
BA-2RQ1-A2 Upto 20 ampere load
BM-1RQ1-A2 Up to 22 ampere load
manual in-line operationand
for slow 30
to ±250
alloy contacts
with panel mount
requirements
to ±250
unassembled seal
boot.
Solder terminals
handling
handling
° (max) risecams
°F (121°C)
°F (121°C)
UL Codes newtons newtons mm mm mm mm
15 AmpsA2,5-3,61
9-13
15 AmpsA2,5-3,61
9-13
1 AmpP2,5-3,61
9-13
15 AmpsA2,5-3,61
9-13
15 AmpsA2,5-3,61
9-13
15 AmpsA2,5-3,61
9-13
15 AmpsX2,5-3,61
9-13
15 AmpsE1,67-2,64
6-9.5
20 AmpsG3,89-6,12
14-22
22 AmpsF1,95-2,78
7-10
1,11
4
1,11
4
1,11
4
1,11
4
1,67
6
1,11
4
1,11
4
–
–
2,78
10
1,11
4
0,38
.015
0,38
.015
0,38
.015
0,38
.015
0,38
.015
0,38
.015
0,38
0.15
0,30
0.12
1,27
.050
0,38
.015
5,56
.219
5,56
.219
5,56
.219
5,56
.219
5,56
.219
5,56
.219
3,18
.125
5,56
.219
5,56
.219
5,56
.219
0,01-0,05
.0004-
.0020
0,01-0,05
.0004-
.0020
0,01-0,05
.0004-
.0020
0,01-0,05
.0004-
.0020
0,01-0,05
.0004-
.0020
0,01-0,05
.0004-
.0020
0,01-0,05
.0004-
.0020
–
–
0,05-0,19
.0020-
.0075
0,0130,025
.0005-
.0010
38,10±0,51
1.500±.020
38,10±0,51
1.500±.020
48,4±0,50
1.906±.020
23,42±1,14
.922±.045
21,82
.859
21,82
.859
21,82
.859(M8805/1-020)
21,82
.859
7,14*
.281*
21,82
.859
21,82
.859
Basic Switches
Standard
Dim. Dwg. Fig. 19
Dim. Dwg. Fig. 20
BZ-2RQ1872-A2 Applications requiring gold
BZ-2RQ18-A2 Added overtravel. Roller
BZ-2RQ1824-A2 Operating in temperature
BZ-2AQ18T1 Double-break
BM-1RQ18-A2 Up to 22 ampere load
BZ-2RQ181-A2 Applications requiring
alloy contacts
plunger for rapidcam (30
max) rise andslide
operation. Panelmount
°F) (121°C)
to ±250
circuitry
handling
roller plunger 90
axis of switch
° to major
* Reset characteristics.
1 AmpP2,5-3,61
15 AmpsA2,5-3,61
°
15 AmpsA2,5-3,61
15 AmpsT3,89-6,68
22 AmpsF1,95-2,78
15 AmpsA2,5-3,61
9-13
9-13
9-13
14-24
7-10
9-13
1,11
4
1,11
4
1,11
4
1,11
4
1,11
4
1,11
4
0,38
.015
0,38
.015
0,38
.015
0,51
.020
0,38
.015
0,38
.015
3,56
.140
3,56
.140
3,56
.140
3,58
.141
3,56
.140
3,56
.140
0,01-0,05
0,01-0,05
0,01-0,05
0,03-0,10
.001-.004
0,01-0,05
Except where stated ** ±0,76 mm
Forapplicationhelp:call1-800-537-6945.HoneywellSensingandControl51
.0004-
.0020
.0004-
.0020
.0004-
.0020
0,0130,025
.0005-
.0010
.0004-
.0020
33,32±1,14
1.312±.045
33,32±1,14
1.312±.045
33,32±1,14
1.312±.045
33,35±1,19
1.313±.047
33,32±1,14
1.312±.045
33,32±1,14
1.312±.045
±.030 in.
Page 7
Basic Switches BZ/BA Series
Standard
Characteristics: O.F. — Operating Force; R.F. — Release Force;
P.T. — Pretravel; O.T. — Overtravel; D.T. — Differential Travel;
O.P. — Operating Position.
STRAIGHT LEVER ORDER GUIDE
Electrical
Data and O.F.max. R.F.min. P.T. max. O.T.min. D.T. O.P.**
1 Amp
P
1 AmpP0,7
5 AmpsB0,7
10 AmpsI0,07
15 AmpsA1,6760,42
15 AmpsA0,7
15 AmpsA0,2810,03
15 AmpsA0,7
15 AmpsA0,28-0,90
15 AmpsA0,7
15 AmpsE0,63
15 AmpsA0,28
20 AmpsG0,7
22 AmpsF0,2810,03
25 AmpsH0,7
0,7
2.5
2.5
2.5
.25 —
2.5
2.5
1-3.25
2.5
2.25
2.5
2.5
0,14
0.5 —
0,14
0.5 —
0,14
0.5 —
6,76
.266
1.5 —
0,14
0.5 —
0.125
0,14
0.5 —
0,21
0.75
0,14
0.5 —
1——
0,14
0.5
0.125
0,14
0.5
8,33
.328
7,52
.296
—
—
—
—
15,88
.625
7,54
.297
15,88
.625
5,56
0,18-1,27
.219
.007-.050
5,56
.219
5,56
.219
5,56
.219
0,42
.141
5,56
.219
5,56
.219
5,56
.219
4,37
.172
5,56
.219
5,56
.219
0,38* – 7,14*
.015 – .281
12,7
.500
1,98
.078
5,56
.219
1,98
.078
0,18-1,27
.007-.050
0,18-1,27
.007-.050
0,08-0,38
.003-.015
0,10-0,63
.004-.025
0,18-1,27
.007-.050
0,18-1,27
.007-.050
0,18−1,27
.007-.050
2,36
.093
0,18-1,27
.007-.050
—
—
0,46-3,68
.018-.145
2,77
.109
0,13-0,84
.005-.033
2,77
.109 max.
19,1
.750
19,1
.750
19,1
.750
19,1
.750
19,1
.750
19,1
.750
19,1
.750
19,1
.750
19,1
.750(M8805/1-044)
19,1
.750
19,05
.750
19,1±1,52
.750±.060
19,1
.750
19,1
.750
19,1
.750
BZ/BM TYPE
Dim. Dwg. Fig. 21
BA TYPE
Dim. Dwg. Fg. 23
ADJUSTABLE
Catalog Listing For Page46 ounces ounces inches inches inches inches
BZ-2RW8072-A2 Applications
BZ-2RW80722555105-A2
BZ-2RW8244-A2 Operatingin temp.
BZ-RW8435-A2 Lowest operating
BZ-2RW876T 1.25 inch lever
BZ-2RW80-A2 2.5 inch lever
BZ-2RW84-A2 Lower force (without
BZ-2RW805551-A2 Dustproof and
BZ-2RWT04 MIL-S-8805
BZ-2RW824-A2 Operating in
BZ-RW80X Manual reset solder
BZ-2RW863-A2 6 inch lever
BA-2RV-A2 Up to 20 ampere
BM-1RW84-A2 Up to 22 ampere
BE-2RV-A4 Up to 25 ampere
Recommended UL Codes newtons newtons mm mm mm mm
requiring gold alloy
contacts
Best stability under
varying humidity.
Gold alloy contacts
with seal
°F (204°C)
to +400
for 100 hours
force (without
external return
spring)
requirements
requirements
external return
spring)
splash resistant seal
application
requirements
temperature to
°F (121°C)
+250
terminals
requirements
load handling
load handling
load handling
* Reset characteristics.
Dim. Dwg. Fg. 22
BZ-2RW899-A2 Adjustable
BZ-2RM-A2 Reverse acting
17 mm
† From
.670 in.
operating point (17
mm to 22mm) .670
to .880N
actuator (switch
plunger depressed
in free position)
O.P.
15 AmpsA0.7
N
15 AmpsA1,6760,2815,56
2.5
0.14
0.5 —
3,54†
.125
.219
5,56
.219
Except where stated **
Dim. Dwg. Fig. 24
52HoneywellSensingandControlForapplicationhelp:call1-800-537-6945.
0,18-1,27
.007-.050
0,10-0,89
.004-.035
17,02-22,35
.670-.880
19,1
.750
±0.76 mm
±.030 in.
Page 8
Basic Switches BZ/BA Series
Standard
SIMULATED ROLLER
ORDER GUIDE
Electrical O.F. R.F. P.T. O.T.
Data And max. min. max. min. D.T. O.P.**
15 Amps 1,67 0,42 2,39 0,08-0,51 30,17
A 6 1.5 — .094 .003-.020 1.188
15 Amps 0,97 0,21 3,96 0,10-1,0 30,17±0,76
A 3.5 0.75 — .156 .004-.040 1.188±.030
Dim. Dwg. Fig. 27
Catalog UL Code newtons newtons mm mm mm mm
Listing Recommended For Page46 ounces ounces inches inches inches inches
BZ-2RW80147-A2
BZ-2RW80196-A2
1.05 inch (26,7 mm)
(simulated roller)
lever applications
1.90 inch (48,3 mm)
(simulated roller)
lever applications
ROLLER LEVER
BZ/BM TYPE
Dim. Dwg. Fig. 25
Dim. Dwg. Fig. 28
BA/BE TYPE
Dim. Dwg. Fig. 26
BZ-2RW82272-A2
BZ-2RW822725551-A2 Applications
BZ-2RW822-A2
BZ-2RW8222-A2
BZ-2RW82224-A2
BZ-2RW8225551-A2
BZ-2RW82255-A2-S
BA-2RV22-A2
BM-1RW822-A2
BE-2RV22-A4
BZ-2RW82299-A2
BZ-2RW8299-A2
Applications
requiring gold alloy
contacts
requiring gold alloy
contacts plus
dustproof and splash
resistant seal
1.05 inch (26,7 mm)
(steel roller) lever
applications
Roller turned 90° 15 Amps 0,7-1,81 0,35 3,58 0,08-0,51 30,75
Operating in
temperature to
°F (121°C)
+250
Dustproof and
splash resistant seal
Best service for
sealed construction.
Stainless steel
internal snap spring.
Up to 20 ampere
load handling
Up to 22 ampere
load handling
Up to 25 ampere
load handling
Adjustable operating
point. Roller lever
1.05 inch (26,7 mm)
Adjustable operating
point. Roller lever
1.90 inch (48,3 mm)
1 Amp 1,67 0,42 2,39 0,08-0,51 30,17
P 6 1.5 — .094 .003-.020 1.188
1 Amp 1,67 0,42 2,39 0,08-0,51 30,17
P 6 1.5 — .094 .003-.020 1.188
15 Amps 1,67 0,42 2,39 0,08-0,51 30,17
A 6 1.5 — .094 .003-.020 1.188
A 2.5-6.5 1.25
15 Amps 1,67 0,42 2,39 0,08-0,51 30,17
A 6 1.5 — .094 .003-.020 1.188
15 Amps 1,67 0,42 2,39 0,08-0,51 30,17
A 6 1.5 — .094 .003-.020 1.188
15 Amps 1,67 0,42 2,39 0,08-0,51 30,17
A 6 1.5 — .094 .003-.020 1.188
20 Amps 1,67 0,42 6,35 0,76 1,14 29,77
G 6 1.5 .250 .030 .045 max. 1.172
22 Amps 1,67 0,42 2,39 0,025-0,33 30,17
F 6 1.5 — .094 .001-.013 1.188
25 Amps 1,67 0,42 6,35 0,76 1,14 29,77
H 6 1.5 .250 .030 .045max. 1.172
15 Amps 1,67 0,42 1,02 0,08-0,51 29,77-30,56
A 6 1.5 — .040 .003-.020 1.172-1.203
15 Amps 0,97 0,21 2,16 0,10-1,0 29,2-31,5
A 3.5 0.75 — .085 .004-.040 1.150-1.24
—
.141 max. .003-.020 1.25
Basic Switches
Standard
Except where stated *
Forapplicationhelp:call1-800-537-6945.HoneywellSensingandControl53
±0,38 mm
±.015 in.
Page 9
Basic Switches BZ/BA Series
Standard
Characteristics:
O.F. — Operating Force; R.F. — Release Force; P.T. — Pretravel;
ROLLER LEVER ORDER GUIDE
BZ/BM TYPE
Dim. Dwg. Fig. 29
BA/BE TYPE
Dim. Dwg. Fig. 30
Catalog Recommended UL Code newtons newtons mm mm mm mm
Listing For Page 46 ounces ounces inches inches inches inches
BZ-2RW82725551-A2
BZ-2RW82-A2
BZ-2RW825551-A2
BZ-2RW8224-A2
BA-2RV2-A2
BM-1RW82-A2
BE-2RV2-A4
NOTE: Foradjustable operate point and simulated roller lever switches, refer to previous page.
Applications requiring
gold alloy contacts,
plus dustproof, and
splash resistant seal
1.90 inch (48,3 mm)
(steel roller) lever
applications
Dustproof and splash
resistant seal
Operating in
temperature to
°F (121°C)
+250
Up to 20 ampere load
handling
Up to 22 ampere load
handling
Up to 25 ampere load
handling
O.T. — Overtravel; D.T. — Differential Travel;
O.P. — Operating Position.
Electrical O.F. R.F. P.T. O.T.
Data And max. min. max. min. D.T. O.P.*
1 Amp 0,97 0,21 3,96 0,10-1,0 30,17±0,76
P 3.5 0.75 — .156 .004-.040 1.188±.030
15 Amps 0,97 0,21 3,96 0,10-1,0 30,17±0,76
A 3.5 0.75 — .156 .004-.040 1.188±.030
15 Amps 0,97 0,21 3,96 0,10-1,0 30,17±0,76
A 3.5 0.75 — .156 .004-.040 1.188±.030
15 Amps 0,97 0,21 3,96 0,10-1,0 30,17±0,76
A 3.5 0.75 — .156 .004-.040 1.188±.030
20 Amps 0,97 0,14 11,89 1,52 2,16 30,17±0,76
G 3.5 0.5 .468 .060 .085 1.188±.030
22 Amps 0,97 0,21 3,96 0,08-0,56 30,17±0,76
F 3.5 0.75 — .156 .003-.022 1.188±.030
25 Amps 0,97 0,14 11,89 1,52 2,16 30,17±0,76
H 3.5 0.5 .468 .060 .085max. 1.188±.030
Dim. Dwg. Fig. 31
Dim. Dwg. Fig. 32
BZ-RW922-A2
BZ-2RW826-A2
BZ-2RW825-A2
Best repeatability and
O.P. stability
One-way roller (9,4
mm H 3,8 mm) .37
dia. H .15N wide roller
One-way roller (4,83
mm H 4,83 mm) .19
dia. H .19N wide roller
N
10 Amps 3,34 1,11 0,38 2,54 0,013-0,025 31,37
I 12 4 .015 .100 .0005-.0010 1.235
15 Amps 1,67 0,42 2,39 0,08-0,51 41,34
A 6 1.5 — .094 .003-.020 1.625
15 Amps 2,22 0,42 1,52 0,38 28,96
A 8 1.5 — .060 .015 1.14
N
Except where stated * ±0,38 mm
±.015 in.
54HoneywellSensingandControlForapplicationhelp:call1-800-537-6945.
Page 10
Basic Switches BZ/BA Series
Standard
FLEXIBLE LEAF ORDER GUIDE
Electrical
Data and O.F. max. R.F.min. P.T.max. O.T.min. D.T. max. O.P.**
UL Codes newtons newtons mm mm mm mm
15 Amps
A
15 Amps
A
15 Amps
A
15 Amps
A
15 Amps
E
20 Amps
G
25 Amps
H
1,39
5
1,95
7
1,39
5
1,39
5
0,83
3
2,5
9
2,5
9
0,14
0.5 –
0,14
0.5 –
0,14
0.5 –
0,14
0.5 –
–
–
0,28
1–
0,28
1–
–
–
1,52
.060
1,52
.060
1,52
.060
1,52
.060
1,57
.062
0,38* – 7,14*
.015 – .281
1,57
.062
1,57
.062
1,27
.050
1,27
.050
1,27
.050
1,27
.050
–
–
1,57
.062
1,57
.062
17,48
.688
17,48
.688
17,48
.688(M8805/1-001)
17,48
.688
17,48
.688
17,48
.688
17,48
.688
BZ TYPE
Dim. Dwg. Fig. 33
BA/BE TYPE
Dim. Dwg. Fig. 34
Catalog Listing Recommended For Page 46 ounces ounces inches inches inches inches
BZ-2RL-A2 Force and stabilityof the
BZ-2RL5551-A2 Dustproof and splash
BZ-2RLT04 MIL-S-8805application
BZ-2RL24-A2 Operating in temperature
BZ-RLX Manualreset.
BA-2RL-A2 Up to 20 ampere load
BE-2RL-A4 Up to 25ampere load
flexible leaf actuator
resistant seal
requirements
°F (121°C)
to +250
Solder terminals
handling
handling
FLEXIBLE ORDER GUIDE
ROLLER LEAF
BZ TYPE
Dim. Dwg. Fig. 35
BA/BE TYPE
Dim. Dwg. Fig. 36
Catalog Listing Recommended For Page 46 ounces ounces inches inches inches inches
BZ-RL24-A2 Operatingin temp. to
BZ-2RL2-A2 Forceand stability of the
BZ-2RL25551-A2
BZ-2RL2T04 MIL-S-8805 application
BA-2RL2-A2 Up to 20 ampere load
BE-2RL2-A4 Up to 25 ampere load
* Reset characteristics
°F (121°C)
+250
for 100 hours
flexible leaf withroller
Dustproof and splash
resistant seal
requirements
handling
handling
Electrical
Data and O.F. max. R.F.min. P.T.max. O.T.min. D.T. max. O.P.*
UL Codes newtons newtons mm mm mm mm
5 Amps
B
15 Amps
A
15 Amps
A
15 AmpsA1,04-1,39
20 Amps
G
25 Amps
H
1,39
5
1,39
5
1,95
7
3.75-5
2,5
9
2,5
9
0,14
0.5 –
0,14
0.5 –
0,14
0.5 –
0,14
0.5 –
0,28
1–
0,28
1–
1,52
.060
1,52
.060
1,52
.060
1,52
.060
1,52
.060
1,52
.060
1,27
.050
1,27
.050
1,27
.050
1,27
.050
1,65
.065
1,65
.065
28,6
1.125
28,6
1.125
28,6
1.125
28,6
1.125(M8805/1-036)
28,6
1.125
28,6
1.125
** ±0.76 mm
±.030 in.
Basic Switches
Standard
Forapplicationhelp:call1-800-537-6945.HoneywellSensingandControl55
Page 11
Basic Switches BZ/BA Series
Standard
GENERAL INFORMATION
PIN PLUNGER
Dim. Dwg. Fig 5
SPECIAL CIRCUITRY SWITCHES
‘‘Specialsequence’’ switchesprovideunusual circuit control. A make-beforebreak switch provides circuit continuity
while switching from N.C. to N.O. In another make-before-make switch, upon
actuation, one circuit is made an interval
before the second circuit. Another switch
ORDER GUIDE
Electrical
Data and O.F. R.F. min. P.T. max. O.T. min. D.T. O.P.*
Catalog Listing Recommended For Page 46 ounces ounces inches inches inches inches
BZ-2G-A2 Make-before-break
contact action
UL Codes newtons newtons mm mm mm mm
10 AmpsC5,56
20 max.
provides a single pulse or momentary
closure of the contacts with each cycle of
operation.
Doublebreakversionscaninterruptgreater inductive loads and feature shorting
bar construction. A split contact version
allows control of the two isolated circuits.
Characteristics: O.F. – Operating Force;
R.F. – Release Force; P.T. – Pretravel;
O.T. – Overtravel; D.T. – Differential Travel;
O.P. – Operating Position.
2,22
0,76
8
.030
0,13
.005
0,38
.015
15,9
.625
Unoperated Intermediate Fully Intermediate Fully
Operated Release Released
6BS1-B Make-before-make
contact action
Dim. Dwg. Fig. 6
10BS210 Adjustable
differential travel
10 AmpsR9,73
35 max.
20 AmpsY3,10-5,56
11-20
2,78
10 – – – –
2,78
10 –
0,25
.010 at
max.
setting
0,04-0,06
.0015-.0025
0,18
.007 at max.
setting
*±0,38 mm
± .015 in.
16,3
.64
Dim. Dwg. Fig. 4-A
56HoneywellSensingandControlForapplicationhelp:call1-800-537-6945.
Page 12
Basic Switches BZ/BA Series
Standard
PIN PLUNGER —
SPECIAL CIRCUITRY
ORDER GUIDE
Electrical
Data and O.F. R.F. min. P.T. max. O.T. min. D.T. O.P.*
UL Codes newtons newtons mm mm mm mm
15 AmpsT4,45-7,23
16-26
15 AmpsT0,90
3.25
15 AmpsT1,25
4.5
15 AmpsT2,36
8.5
1,11
0,14
.25
0,21
.75
0,42
1.5
0,76
4
.030
0,13
0,051-0,13
.005
.002-.005
–
5,56
–
.219
–
3.96
–
.156
–
2,39
–
.094
0,51
2.54
0,38-1,91
.015-.075
0,20-2,39
.008-.030
15,9
.625
19,05±0,76
.750±.030
30,18±0,76
1.188±.030
30,18±0,76
1.188±.030
Dim. Dwg. Fig. 8
Catalog Listing Recommended For Page 46 ounces ounces inches inches inches inches
BZ-3AT Double-break, low
voltage DC applications
BZ-2AW80T As above, with
2.5 inch lever
BZ-2AW82T As above, with
1.9 inch rollerlever
BZ-2AW822T As above, with
1.05 inch rollerlever
Dim. Dwg. Fig. 9
Dim. Dwg. Fig. 10
BA-3ST Double-break, low
BZ-3YT
(MS25383-1)
BZ-3YWT80 As above, with
BZ-3YWT82 As above, with
BZ-3YWT822 As above, with
voltage DC applications
MIL-S-8805application
requirements. (split
contact)
2.50 inch lever
1.9 inch rollerlever
1.05 inch rollerlever
25 AmpsM7,23-10,6
26-38
5 AmpsU4,45-7,23
16-26
5 AmpsU0,97
3.5
5 AmpsU1,25
4.5
5 AmpsU1,95
7
2,78
10
1,11
0,14
.5
0,21
.75
0,42
1.5
1,65
.065
0,25
.010
0,18-0,38
.007-.015
16,3
.640
Basic Switches
Standard
0,76
4
.030
0,13
0,025-0,1
.005
.001-.004
–
5,56
.219
3,96
.156
2,39
.094
0,51-2,54
.020-.100
0,38-1,91
.015-.075
0,20-1,02
.008-.040
–
–
–
–
–
Except where stated * ±0,38 mm
15,9
.625
19,05±0,76
.750±.030
30,18±0,76
1.188±.030
30,19
.188
±.015 in.
Forapplicationhelp:call1-800-537-6945.HoneywellSensingandControl57
Page 13
Basic Switches BZ/BA Series
Standard
MOUNTING DIMENSIONS (For reference only)
PIN PLUNGERS
PIN PLUNGERS — SPECIAL
CIRCUITRY
BZ/BM BA/BE
Fig. 1 Fig. 2 Fig. 3
Fig. 4 Fig. 4-A
Fig. 5 Fig. 6 Fig. 7
Fig. 8 Fig. 9 Fig. 10
Mounting holes accept pins or screws of
.139N (3,53 mm) diameter.
58HoneywellSensingandControlForapplicationhelp:call1-800-537-6945.
Page 14
Basic Switches BZ/BA Series
Standard
MOUNTING DIMENSIONS (For reference only)
OVERTRAVEL PLUNGERS
Fig. 11 Fig.12
Fig. 13 Fig.14
Fig. 15 Fig.16 *Fig. 17
Basic Switches
Standard
*Fig. 18 *Fig. 19 *Fig. 20
* Threaded bushings are 15/32-32ns.
Forapplicationhelp:call1-800-537-6945.HoneywellSensingandControl59
Page 15
Basic Switches BZ/BA Series
Standard
MOUNTING DIMENSIONS (For reference only)
STRAIGHT LEVERS
Fig. 21 Fig.22 Fig. 23
Fig. 24 Fig. 25 Fig. 26
FLEXIBLE LEAF ACTUATOR
Fig. 33 Fig. 34
60HoneywellSensingandControlForapplicationhelp:call1-800-537-6945.
Page 16
Basic Switches BZ/BA Series
Standard
MOUNTING DIMENSIONS
ROLLER LEVERS
Fig. 27 Fig. 28 Fig. 29
Fig. 30 Fig. 31 Fig. 32
FLEXIBLE ROLLER LEAF
Fig. 35 Fig. 36
Mounting holes accept pins or screws of
.139
N (3,53 mm) diameter.
Basic Switches
Standard
Forapplicationhelp:call1-800-537-6945.HoneywellSensingandControl61
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