Square D QO145 1-Pole 45A 120V Circuit Breaker

The Square D QO145 is a 45A, 1-pole, 120V molded case circuit breaker from the QO Residential series. It provides reliable overcurrent protection with LI trip function. Rated at 10kA @ 120V interrupting capacity. Call AllBreakerSales.com for pricing, availability, and same-day shipping.

QO145 Specifications

SpecificationValue
Amperage45A
Poles1
Voltage120V
Interrupt Rating10kA @ 120V
Frame SizeQO Frame
Mounting TypePlug-In
Trip TypeThermal Magnetic
Trip FunctionLI
Wire Size14–8 AWG
Phase1-Phase
StandardsUL 489, CSA
Temperature Rating40°C

Key Features

  • UL 489 listed
  • Plug-in mounting
  • Visi-Trip indicator

Applications

  • Residential branch circuits
  • Lighting
  • Appliances

Buy QO145 Circuit Breaker

Square D QO Residential 45A 1-pole circuit breaker. In stock at AllBreakerSales.com. Call (877) 611-0034 for same-day pricing. Genuine OEM parts, ships from US warehouse.

Brand: Square D | Series: QO Residential | Catalog Number: QO145

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