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MCB UL1077 50A D Curve | 10kA Breaking Capacity | 3P+N Configuration | by Allen-Bradley
The MCB UL1077 50A D Curve is a reliable miniature circuit breaker designed for industrial and commercial electrical protection. With a breaking capacity of 10kA and a 3P+N configuration, it effectively handles high inrush currents, ensuring safety and compliance in electrical installations. Ideal for protecting circuits in machinery and equipment, this MCB is UL1077 certified for peace of mind.
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Alternatively Known As: Miniature Circuit Breaker 50A D Curve, 3P+N MCB, UL1077 Circuit Breaker
Technical Specifications
- Standard: UL1077
- Rated Current: 50 Amperes
- Poles: 3 Pole + Neutral
- Trip Curve: D Curve
- Breaking Capacity: 10kA
- Voltage Rating: Typically up to 415V AC
- Dimensions (H x L x W): 85mm x 70mm x 72mm
- Weight: 0.3 kg
Key Features
- Miniature Circuit Breaker (MCB) with UL1077 certification
- Rated current: 50A
- Trip curve: D Curve suitable for high inrush currents
- 3 Pole plus Neutral (3P+N) 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
- Protection of electrical circuits in machinery and equipment
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Helps prevent electrical fires and equipment damage by providing 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 50A D Curve is available for immediate purchase, ideal for industrial and commercial electrical protection applications.
