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MCB UL1077 10kA 3P+N 40A D Curve High Inrush Current Protection by Allen-Bradley

BRAND: Allen-Bradley
SKU: 1492SPM3D400N
$485.50 List price: $605.10
+ −
30 Days Return Electricians Unlock Trade Access
The MCB UL1077 10kA 3P+N 40A D Curve is a reliable miniature circuit breaker designed for high inrush current applications. With a breaking capacity of 10kA and UL1077 certification, it ensures optimal circuit protection in industrial, commercial, and residential settings. Ideal for licensed electricians, this MCB supports compliance with electrical safety standards while preventing electrical fires and equipment damage.

Alternatively Known As: Miniature Circuit Breaker 40A D Curve 3P+N, UL1077 Circuit Breaker, 3 Pole + Neutral MCB

Technical Specifications
  • Standard: UL1077
  • Rated Current: 40 Amperes
  • Poles: 3P+N (3 Pole plus Neutral)
  • Trip Curve: D Curve (suitable for high inrush currents)
  • Breaking Capacity: 10kA
  • Voltage Rating: Typically up to 415V AC
  • Dimensions (H x L x W): 85mm x 65mm x 70mm
  • Weight: 0.5 kg
Key Features
  • Miniature Circuit Breaker (MCB) with UL1077 certification
  • Rated current: 40A
  • Trip curve: D Curve for high inrush current applications
  • 3 Pole + Neutral configuration
  • Breaking capacity: 10kA
Professional Installation Requirements
  • Installation must be performed by a licensed electrician to ensure compliance with electrical safety standards and proper operation.
Applications
  • Industrial electrical panels
  • Commercial electrical distribution
  • Residential circuit protection
Standards & Compliance
  • AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
  • Helps prevent electrical fires and equipment damage by reliable circuit protection
  • Supports energy efficiency by minimizing downtime and electrical faults
Warranty Information

1 year warranty against manufacturing defects.

Available Now

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

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