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MCCB 140G K Frame Trip Unit 3P 300A Adjustable Thermal Magnetic Reliable Overcurrent Protection by Allen-Bradley

BRAND: Allen-Bradley
SKU: 140GKTF3D30
$419.50 List price: $522.70
+ −
30 Days Return Electricians Unlock Trade Access
MCCB 140G K Frame Trip Unit 3P 300A is designed for reliable overcurrent protection in industrial and commercial applications. With adjustable thermal and magnetic trip settings, this circuit breaker ensures safety in electrical distribution panels and motor control centers. Built for durability and compliance with AS/NZS 3000 standards, it’s the ideal choice for licensed electricians seeking dependable circuit protection.

Alternatively Known As: Molded Case Circuit Breaker 140G, MCCB 3P 300A, Adjustable Thermal Magnetic Breaker

Technical Specifications
  • Poles: 3
  • Current Rating: 300A
  • Trip Unit Type: Adjustable Thermal Magnetic
  • Frame Type: K Frame
  • Interrupting Capacity: Standard industrial rating
  • Dimensions (H x L x W): 150mm x 80mm x 100mm
  • Weight: 5 kg
Key Features
  • 3-pole molded case circuit breaker
  • Adjustable thermal and magnetic trip settings
  • Rated for 300A current
  • Provides reliable overcurrent protection
Professional Installation Requirements
  • Installation must be performed by a licensed electrician to ensure compliance with electrical safety standards and proper operation.
Applications
  • Industrial electrical distribution panels
  • Commercial building electrical protection
  • Motor control centers
  • Power distribution systems requiring circuit protection
Standards & Compliance
  • Complies with AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
  • Helps prevent electrical faults and fires, contributing to safer energy use
  • Durable design reduces need for frequent replacements
Warranty Information

1 year warranty against manufacturing defects.

Available Now

The Allen-Bradley MCCB 140G K Frame Trip Unit 3P 300A Adjustable Thermal Magnetic is available now for immediate purchase. Ideal for industrial and commercial electrical protection applications.

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