ROCKWELLMotor protection circuit breaker

140G-K3X4

Name: 140G-K3X4
Brand: ROCKWELL
SKU: 140G-K3X4

The Allen-Bradley 140G-K3X4 is a 400A, 4-pole molded case circuit breaker with a 35kA breaking capacity at 480V and 50kA at 415V. It meets C-TICK, CCC, and KC standards, making it suitable for high-performance applications.

Product Model140G-K3X4

Product ID106254

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High Breaking CapacityThe Allen-Bradley 140G-K3X4 boasts a 35kA breaking capacity at 480V and 50kA at 415V, ensuring reliable operation under heavy loads.
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2. Comprehensive Standards ComplianceMeets C-TICK, CCC, and KC standards, ensuring compliance with international safety regulations.
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3. Durable ConstructionBuilt with a robust K-frame design, this circuit breaker offers long-lasting performance and mechanical life of up to 20,000 cycles.
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4. Versatile ApplicationSuitable for a wide range of applications, including power distribution and protection systems, making it an essential component in industrial settings.
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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

400 A, K-Frame

Standards Compliance

UL489, CSA22.2 No. 5, IEC 60947-2

Repairable

NOT_REPAIRABLE