Cutler Hammer, Div of Eaton Corp Safety Switches Selection Guide
8-18
Switching Devices
Safety Switches
Product Selection
Product Selection
Table 8-38. Safety Switch Catalog Numbering System
February 2007
DH 3 6 1 N D K LW
NEMA Enclosure Ratings
G = NEMA 1
R = NEMA 3R
D = NEMA 12 or 12/3R
P = NEMA 4
(Painted Steel)
W = NEMA 4X
Corrosion-Resistant
(304 Grade Stainless Steel)
C = NEMA 4X
Non-Metallic
(for Type DH)
X = NEMA 7/9
(for Type DS)
X = NEMA 4X
Non-Metallic
(for Type DR)
W = Upper Viewing
LW
X = EnviroLine
GCL = Mill-Duty
K = Design
All General-Duty
Switches Above
200 Amperes and All
Heavy-Duty Switches
Incorporate K-Series
Switch Design
Features Listed Below
B = Design General-Duty
30 – 100 Amperes
H = General-Duty Double
Throw Switch
(Compact Design
30 – 100 Amperes)
8
Switch Type
DP = General-Duty/
Plug Fuse
DG = General-Duty/
Cartridge Fuse
DH = Heavy-Duty
DT = Double Throw
DR = Rotary Switch
DS = Classified
Location with
DS Interior
See Pages 8-8 through 8-11 for additional Flex Center options.
Effective August 2003, 30 – 100 ampere window switches are replaced by a full view window which allows blade position verification and blown fuse
indication. See Page 8-37
Poles/Blades
1 = 1-Pole
2 = 2-Poles
3 = 3-Poles
4 = 4-Poles
6 = 6-Poles
Voltage
1 = 120 Vac
2 = 240 Vac
6 = 600 Vac
F = Fusible without Neutral
U = Non-Fusible
N = Fusible with Neutral
for catalog numbers.
Amperes
1 = 30 Amps
2 = 60 Amps
3 = 100 Amps
4 = 200 Amps
5 = 400 Amps
6 = 600 Amps
7 = 800 Amps
8 = 1200 Amps
Fusible/Non-Fusible
or Neutral
Note: This table is intended for use in breaking down existing catalog numbers. It is not intended for building new catalog numbers.
Options
Window
= Lower Viewing
Window
Stainless
(Enclosure and
Mechanism)
Series
8-12
Switching Devices
Safety Switches
Product Specifications
Product Specifications
Table 8-24. Safety Switch Selection Guide
Type Fuse
GeneralDuty
HeavyDuty
Single Throw
Max. 240 Vac
Horsepower
Rated
Single Throw
Max. 600 Vac
Horsepower
Rated
Typ e
Fusible Plug — 30 1 and 2 YES YES — — — — —
NonFusible
Fusible Cartridge H
NonFusible
8
6-Pole
Motor
Circuit
Double
Throw
Rotary
Switches
Single Throw
Max. 600 Vac
Max. 600 Vac
Horsepower
Rated
Max. 600 Vac Non-
NEMA Type 12 enclosures (30 – 800 amperes) can be field modified to meet NEMA 3R rainproof requirements when a factory provided drain screw is removed.
Class J fuse clips provided.
Fusible Cartridge H 30 – 200 6 — YES YES
NonFusible
Fusible Cartridge H
NonFusible
Fusible
February 2007
Fuse
Class
Cartridge H 30 – 600 2 and 3 YES YES — — — — —
— — 30 – 600 2 and 3 YES YES — — — — —
L
— — 30 – 1200 2, 3
— — 30 – 200 6 — YES YES
T (600 V)
T (240 V)
— — 30 – 800 2, 3, 4
— — 16 – 125 3, 4 YES YES
Ampere
Rating
30 – 600
800 – 1200
30 – 200
400
600
Number
of Poles
2, 3
and 4
and 4
2 and 3 YES
and 6
Enclosure Types
NEMA 1 NEMA 3R NEMA 12 NEMA 4
YES
Up to
1200 A
YES YES YES
Up to
600 A
YES YES YES
YES
Up to
1200 A
YES
Up to
400 A
Painted
Steel
YES
Up to
1200 A
Up to
1200 A
—————
Up to
400 A
YES
YES
400 –
800 A
YES
400 –
800 A
— YES — —
— YES — —
— YES
— YES YES —
NEMA 4X
Stainless
Steel
YES
Up to
1200 A
YES
Up to
1200 A
Up to
400 A
NEMA 4X
NonMetallic
YES
Up to
200 A
YES
Up to
200 A
——
NEMA 7/9
YES
Up to
200 A
YES
Up to
200 A
Table 8-25. EnviroLine Safety Switch Selection Guide
EnviroLine Fuse
Stainless Enclosure
with Stainless
Mechanism
Viewing Window
Upper or Lower
Receptacle Fusible Cartridge H 30 – 100 3 — — YES — YES —
Non-Metallic Fusible Cartridge H 30 – 200 3 — — — — — YES
800 ampere upper window switches are not UL listed.
Lower Window switches are available through 600 amperes.
30 – 100 ampere switches provided with full view window.
NEMA Type 12 enclosures (30 – 800 amperes) can be field modified to meet NEMA 3R rainproof requirements when a factory provided drain screw is removed.
Type
Fusible Cartridge H 30 – 400 2 and 3 — — — — YES —
Non-
— — 30 – 400 3 — — — — YES —
Fusible
Fusible Cartridge H
Non-
— — 30 – 800 3 — — YES
Fusible
Non-
— — 60 3 — — YES — YES —
Fusible
Non-
— — 30 – 200 3 — — — — — YES
Fusible
Fuse
Class
L
Ampere
Rating
30 – 600
800
Number
of Poles
3 — — YES
Enclosure Types
NEMA 1 NEMA 3R NEMA 12 NEMA 4
Painted
Steel
YES YES —
YES YES —
NEMA 4X
Stainless
Steel
NEMA 4X
NonMetallic
For more information visit: www.eaton.com CA08101001E
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