CURRENT
SENSORS
RELAY & AC CURRENT SWITCH COMBOS
RIBMX24 Series
4.00˝ Track Mount 20 Amp Relay/AC Sensor Combinations, with 24 Vac/dc Coil
RIBMX24BA, RIBMX24BF+
Sensor Feedback
Current Sensor Status
24 Vac/dc
Comm
N/O
RIBMX24BV^
0-10 Vdc
0-5 Vdc
Comm
24 Vac/dc
Made in USA
Meets
“Buy American”
of ARRA 2009
V
V
Comm
N/O
Comm
RIBMX24SBA, RIBMX24SBF+
Sensor Feedback
Current Sensor Status
Selectable Jumper Wire
24 Vac/dc
Comm
SPECIFICATIONS
Expected Relay Life:
Operating Temperature:
Humidity Range:
Operate Time:
Relay Status:
Dimensions:
Track Mount:
Approvals:
Gold Flash:
10 million cycles minimum mechanical
-30 to 140° F
5 to 95% (noncondensing)
18ms
Red LED On = Activated
2.95˝ x 4.00˝ x 1.25˝
4.000˝, See MT4 Series on page 152
MT4 Mounting Track Sold Separately
UL Listed, UL916, UL864, C-UL
California State Fire Marshal, CE, RoHS
No
CLOSED
OPEN
AUTO
N/C
Not Used
Comm
N/C
RIBMX24SBV^
0-10 Vdc
0-5 Vdc
Comm
24 Vac/dc
Comm
V
V
Selectable Jumper Wire
Not Used
CLOSED
OPEN
AUTO
FUNCTIONAL DEVICES CERTIFIED FOR USE WITH ECMS
Coil Current:
50 mA @ 18 Vac
83 mA @ 24 Vac
33 mA @ 22 Vdc
35 mA @ 24 Vdc
47 mA @ 30 Vdc
Coil Voltage Input:
24 Vac/dc ; 50-60 Hz
Drop Out = 3 Vac / 3.8 Vdc
Pull In = 18 Vac / 22 Vdc
Sensor Contact: +
• When current sensor status is o (open), leakage
<30 uA @ 30Vac/dc
• When current sensor status is on (closed), voltage drop
< .3 Vac/dc @ .1 Amp
< 1.6 Vac/dc @ .4 Amp
Sensor Feedback Output: ^
• Voltage output is proportional to current sensor range.
• Min. Input Impedance = 30K ohms
• Accuracy +/– 1% full scale
• Vripple < 10m Vac
RIBMX24 SERIES SELECTION GUIDE
Model#
RIBMX24BF .50-20 Amps
RIBMX24BA .50-20 Amps
RIBMX24BV 0-20 Amps
RIBMX24SBF .50-20 Amps
RIBMX24SB
RIBMX24SBV 0-20 Amps
Sensing
Range
ECMS
ECMS
ECMS
ECMS
A .50-20 Amps
= FDI Certied for use with electronically commutated motorsECMS
Type Threshold Sensor Output Resistive
Internal w/
contact
status
Internal w/
contact
status
Fixed,
.50 Amp
Adjustable
Solid State Contact
30 Vac/dc, 0.4 Amp
Solid State Contact
30 Vac/dc, 0.4 Amp
Internal w/
voltage
Analog
output
Internal w/
contact
status
Internal w/
contact
status
Fixed,
.50 Amp
Adjustable
Solid State Contact
30 Vac/dc, 0.4 Amp
Solid State Contact
30 Vac/dc, 0.4 Amp
Internal w/
voltage
Analog
output
0-5 Vdc
0-10 Vdc
0-5 Vdc
0-10 Vdc
C
Override
Switch
ontact
Type
20 Amp No SPDT
20 Amp No SPDT
20 Amp No SPDT
20 Amp Yes SPST
20 Amp Yes SPST
20 Amp Yes SPST
Contact Ratings Notes
20 Amp Resistive @ 277 Vac
20 Amp Ballast @ 277 Vac
16 Amp Electronic Ballast @ 277 Vac (N/O)
10 Amp Tungsten @ 120 Vac (N/O)
1,110 VA Pilot Duty @ 277 Vac
770 VA Pilot Duty @ 120 Vac
240 Watt Tungsten @ 120 Vac (N/C)
2 HP @ 277 Vac
1 HP @ 120 Vac
20 Amp Resistive @ 277 Vac
20 Amp Ballast @ 277 Vac (N/O)
10 Amp Ballast @ 277 Vac (N/C)
Not rated for Electronic Ballast
10 Amp Tungsten @ 120 Vac (N/O)
1,110 VA Pilot Duty @ 277 Vac
770 VA Pilot Duty @ 120 Vac
240 Watt Tungsten @ 120 Vac (N/C)
2 HP @ 277 Vac
1 HP @ 120 Vac
• Normally Open
or Normally
Closed selected
by yellow
jumper wire
071417
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