Cutler-Hammer JD3125 3 Pole 125-Amp 240V J-Frame Circuit Breaker

The Cutler-Hammer JD3125 is a 125-amp, 3-pole, 240V JD Series J-Frame molded case circuit breaker designed for industrial feeder and branch circuit protection. The J-Frame construction handles high-current applications with dependable thermal-magnetic LI trip performance. The JD3125 is compatible with Cutler-Hammer and Eaton J-Frame switchboards and motor control centers, and is a direct replacement for many legacy Westinghouse J-Frame breakers.

JD3125 Specifications

SpecificationValue
Amperage125A
Poles3
Voltage240VAC
Interrupt Rating42kA @ 240V
Frame SizeJ-Frame (125A Frame)
Mounting TypeBolt-On
Trip TypeThermal Magnetic
Trip FunctionLI — Long-Time, Instantaneous
Wire Size1/0–500 kcmil Cu/Al
Phase3-Phase
StandardsUL 489, CSA C22.2 No.5, NEMA AB 1
Temperature Rating40°C

Key Features

  • J-Frame heavy-duty construction
  • Thermal-magnetic LI trip
  • High interrupting capacity
  • Visual trip indicator
  • UL 489 listed, CSA certified
  • Replaces legacy Westinghouse J-Frame breakers

Applications

  • Industrial feeder circuit protection
  • Commercial main circuit breakers
  • Motor control center feeders
  • Large HVAC system protection

Buy JD3125 Circuit Breaker

Cutler-Hammer JD J-Frame 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: Cutler-Hammer | Series: JD J-Frame | Catalog Number: JD3125

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