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B1NQ UL 489 HVAC Miniature Circuit Breaker
The B1NQ is compliant with UL/CSA/IEC standards for branch circuit protection in commercial and residential applications. The current limiting B1NQ is thermal-magnetic and protects against short circuit and overload conditions. The breaker provides optimum and efficient protection for branch and control circuits. Additional new options include front mount through-door hardware and optional quick-connect terminal plugs on load side.

  • Available in 1 and 2 poles
  • Rated current from 0.5~63 A
  • Available as surface, flush or DIN rail mounted
  • 1 pole and 2 pole breakers are UL Listed for use on 120/240 Vac single-phase, three-wire electrical systems
  • Flexible terminals with less physical demand
  • Detachable shield makes it faster and easier for installer
  • Two terminal options: line side - box lug and load side - box lug and four points 1/4-inch insulated quick connector
  • Multiple accessories including: alarm switch, auxiliary contact, shunt trip, under-voltage trip and locking device


UL 489 Listed

Certification File:


Compliant to:

CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS

Rated Current

0.5~63 A

Number of Poles

1, 2

Rated Operational Voltage (50/60 Hz)

120/240 Vac

Instantaneous Tripping Type

B (3~5 In), C (5~10 In), D (10~20 In)