ROCKWELLMotor protection circuit breaker

140G-N0K4-E12-Z1

Name: 140G-N0K4-E12-Z1
Brand: ROCKWELL
SKU: 140G-N0K4-E12-Z1

The Allen-Bradley 140G-N0K4-E12-Z1 is a 1200A, N-frame, electronic molded case circuit breaker with high interrupting capacity and advanced protection features. UL Listed, CSA Certified, and CE compliant for reliable industrial use.

Product Model140G-N0K4-E12-Z1

Product ID105893

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High Interrupting CapacityThe 140G-N0K4-E12-Z1 boasts an impressive 120kA at 415V IEC breaking capacity, ensuring it can handle high fault currents in industrial electrical systems.
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2. Advanced Protection FeaturesEquipped with electronic LSIG protection, this circuit breaker offers long and short time protection, high instantaneous, and ground fault capabilities for comprehensive safety.
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3. 100% RatedDesigned to operate at full capacity, the 140G-N0K4-E12-Z1 is a 100% rated MCCB, ensuring it meets the demands of your application without compromising on performance.
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4. Certifications and ComplianceUL Listed, CSA Certified, and CE compliant, this breaker meets stringent international standards for safety and reliability in industrial settings.

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

120kA @ 415V

Protection

Electronic

Rating/Size

1200 A, N-Frame

Standards Compliance

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