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Square D > On-line Catalog >
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Panelboards > QOB Bolt-On Circuit Breakers j: With Visi-Trip Indicator for NQ Panelboards |
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QOB Bolt-On Circuit Breakers j
With Visi-Trip® Indicator for NQ Panelboards
Class 690, 730, 910, 950
Two-pole—Common Trip 120 Vac—10,000 AIR 120/240 Vac—10,000 AIR 120 Vac—22,000 AIR 120 Vac—10,000 AIR QOB-HM—High magnetic trip circuit breakers are recommended
for applications where high initial inrush may occur and for individual dimmer applications. QOB-K—Key operated QOB circuit breakersAvailable in single pole construction and can be mounted in any single pole space which will accept a standard QOB. These circuit breakers can be turned ON or OFF or to RESET with a special key (Catalog No. QOK10) included with the circuit breaker. These circuit breakers are UL Listed and available as shown in the table. 120 Vac—10,000 AIR
a 10–30 ampere circuit breakers are suitable for use with 60oC or 75oC conductors. 35–60 ampere circuit breakers are suitable for use with 75oC conductors.
b Do not connect to more than 250 feet of load conductor for the total one-way run to prevent nuisance tripping.
c Suitable only for feeding 240 Vac and 208 Vac two-wire loads. Does not contain load neutral connection.
f UL Listed as HACR type for use with air conditioning, heating and refrigeration equipment having motor group combinations and marked for use with HACR type circuit breakers.
g QO arc-fault circuit breakers provide branch feeder protection (i.e. QO115AFI) or combination protection (i.e. QO115CAFI) as required by the NEC and local code adoption, and comply with UL 1699.
h UL Listed as SWD (switching duty) rated suitable for switching 120 Vac fluorescent lighting loads.
i QOB2150VH uses 4 pole spaces. QOB3110VH, QOB3125VH and QOB3150VH each use 6 pole spaces. 20A maximum circuit breaker mounted opposite. Use with 75oC wire only.
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Two-pole—Common Trip 120 Vac—10,000 AIR48 Vdc—5,000 AIR 120/240 Vac—10,000 AIR 240 Vac—
10,000 AIR 240 Vac—10,000 AIR