ROCKWELLMotor protection circuit breaker

140G-M5K3-D63

Name: 140G-M5K3-D63
Brand: ROCKWELL
SKU: 140G-M5K3-D63

The Allen-Bradley 140G-M5K3-D63 is a reliable, 3-pole molded case circuit breaker with an electronic LSIG trip unit. Certified for 50kA at 415V, it meets UL489, CSA22.2 No. 5, and IEC 60947-2 standards.

Product Model140G-M5K3-D63

Product ID107924

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High Breaking CapacityThe Allen-Bradley 140G-M5K3-D63 boasts a 50kA breaking capacity at 415V, ensuring it can handle high electrical currents with ease.
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2. Electronic LSIG Trip UnitEquipped with an electronic LSIG trip unit, this circuit breaker provides precise and reliable protection against overcurrents and faults.
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3. Comprehensive CertificationsCertified to UL489, CSA22.2 No. 5, and IEC 60947-2 standards, the 140G-M5K3-D63 meets rigorous safety and performance requirements.
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4. Versatile ApplicationSuitable for a wide range of applications, including industrial and commercial settings, this circuit breaker offers flexibility and reliability.
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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

LSIG-MM

Certifications

UL Listed, CSA Certified, CE, CCC

IEC Breaking Capacity

50kA @ 415V

Protection

Electronic

Rating/Size

800 A, M-Frame

Standards Compliance

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