UPS Electrical Installation
15
RIB must be Listed UL 489 (Molded Case Circuit Breaker) or UL 1066 (Low Voltage AC Power
Circuit Breaker) that are required to be used in UL-listed switchgear or switchboards. The circuit
breaker for 1100kVA systems must have a short-time rating not exceeding 600V at 200K Amperes for
5 cycles; for systems below 1100kVA: 600V at 150K Amperes for 5 cycles.
See Table 12 for required current ratings.
Table 6 RIB UV coil, aux. contacts from UPS RIB CB interface board to remote CB1
Terminal Designation
Signal Name
Wire Size/
Max LengthFrom To
Remote Breaker
Contacts
TB1101-1 RIB aux. common
#14AWG/
500ft. (150m)
TB1101-2 RIB aux. N.C. (closed = CB is open)
TB1101-3 RIB aux. N.O. (closed = CB is closed)
TB1101-4 RIB trip coil (-)
TB1101-5 RIB trip coil (+)
Remote RIB motor operator control contacts from remote breaker to UPS RIB CB interface
board (optional)
Remote Breaker Motor
Operator Contacts
TB1102-2 AC line
#14AWG/
500ft. (150m)
TB1102-5 Motor operator close
Remote RIB voltage sense from remote breaker to UPS
Remote Breaker
Voltage Sense
TB1-1 Voltage sense PH A
#14AWG/
500ft. (150m)
TB1-2 Voltage sense PH B
TB1-3 Voltage sense PH C
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