ROCKWELLMotor protection circuit breaker

140G-J3X4

Name: 140G-J3X4
Brand: ROCKWELL
SKU: 140G-J3X4

The Allen-Bradley 140G-J3X4 is a 4-pole, 250A molded case circuit breaker with a high interrupting capacity of 35kA at 480V. It is designed to protect circuits against overload and short circuits, making it suitable for various industrial applications.

Product Model140G-J3X4

Product ID106792

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High Interrupting CapacityThe Allen-Bradley 140G-J3X4 boasts an impressive interrupting capacity of 35kA at 480V, ensuring reliable protection against high fault currents.
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2. Global Application CompatibilityDesigned for global use, this circuit breaker meets international standards such as UL, CSA, CCC, and IEC, making it a versatile choice for worldwide applications.
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3. Compact DesignDespite its high performance, the 140G-J3X4 is designed to be compact, minimizing panel space while maintaining robust functionality.
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4. Customizable Trip UnitsThe breaker offers a wide range of trip units, allowing for greater customization to fit specific application needs, from thermal-magnetic to electronic trip units.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Adjustment Type

Frame Only

IEC Breaking Capacity

50kA @ 415V

Protection

Thermal Magnetic/Electronic

Rating/Size

250 A, J-Frame

Repairable

NOT_REPAIRABLE

Preferred Availability

false