Siemens QPJ3125 3-Pole 125A 240V Main Circuit Breaker

The Siemens QPJ3125 is a 125A, 3-pole, 240V plug-in main circuit breaker designed for use in Siemens EQIII three-phase load centers. UL Listed, 10kA interrupting capacity at 240V. Thermal-magnetic trip. Occupies six 1-inch breaker positions. Wire range: 2 AWG–300 kcmil (Al/Cu).

QPJ3125 Specifications

SpecificationValue
Amperage125A
Poles3
Voltage240VAC
Interrupt Rating10kA @ 240V
Frame SizeQPJ Frame
Mounting TypePlug-In
Trip TypeThermal Magnetic
Trip FunctionLI — Long-Time, Instantaneous
Wire Size2 AWG–300 kcmil (Al/Cu)
Phase3-Phase
StandardsUL 489
Temperature Rating40°C

Key Features

  • 125 Amp, 3-pole, 240V main breaker
  • Plug-in installation for Siemens EQIII load centers
  • 10kA interrupting capacity at 240V
  • Thermal-magnetic trip — long-time and instantaneous protection
  • UL Listed, UL Type QPJ
  • Occupies six 1-inch breaker positions

Applications

  • Three-phase residential and light commercial main service entrance
  • Siemens EQIII panel main breaker replacement
  • Three-phase feeder protection

Buy QPJ3125 Circuit Breaker

Siemens QPJ Main Breaker 125A 3-pole circuit breaker. In stock at AllBreakerSales.com. Call (877) 611-0034 for same-day pricing. Genuine OEM parts, ships from US warehouse.

Brand: Siemens | Series: QPJ Main Breaker | Catalog Number: QPJ3125

Related Circuit Breakers

QPJ3150 - Siemens QPJ Main Breaker | QPJ3175 - Siemens QPJ Main Breaker | QPJ3200 - Siemens QPJ Main Breaker | QPJ3225 - Siemens QPJ Main Breaker | QPJ3250 - Siemens QPJ Main Breaker

Home | All Circuit Breakers | Shop by Brand | All Siemens Breakers | Cross-Reference | Safety Switches | Blog | Resources | Locations | We Buy Breakers | Breaker Finder | Compare | About Us | Contact | Get a Quote