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MCB UL1077 10kA 3P+N 40A B Curve Miniature Circuit Breaker Overload & Short Circuit Protection by Allen-Bradley

BRAND: Allen-Bradley
SKU: 1492SPM3B400N
$427.60 List price: $532.80
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Alternatively Known As: Miniature Circuit Breaker 40A B Curve, 3P+N MCB, UL1077 Circuit Breaker

Technical Specifications
  • Standard: UL1077
  • Rated current: 40A
  • Poles: 3P+N
  • Breaking capacity: 10kA
  • Trip curve: B curve
  • Dimensions (H x L x W): 85mm x 65mm x 70mm
  • Weight: 0.3 kg
Key Features
  • Miniature Circuit Breaker (MCB) with UL1077 certification
  • Rated current: 40A
  • Trip curve: B curve for protection against overloads and short circuits
  • 3 poles plus neutral (3P+N)
  • Breaking capacity: 10kA
Professional Installation Requirements
  • Installation must be performed by a licensed electrician to ensure compliance with electrical safety standards.
Applications
  • Industrial electrical panels
  • Commercial electrical distribution
  • Residential circuit protection
Standards & Compliance
  • AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
  • Enhances electrical safety reducing risk of fire and equipment damage
  • Supports energy efficiency by preventing electrical faults
Warranty Information

1 year warranty against manufacturing defects.

Available Now

The Allen-Bradley MCB UL1077 10kA 3P+N 40A B Curve is available for immediate purchase, ideal for industrial, commercial, and residential electrical protection applications.

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