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Miniature Circuit Breaker 50A | Single-Pole | IP40 Protection | Eaton

BRAND: Eaton
SKU: Y7-278566
$61.30 List price: $76.40
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Miniature circuit breaker rated at 50A with a single-pole design and IP40 protection—ideal for branch circuit protection in industrial and commercial applications. Built for safety and reliability, with a tripping characteristic of C and a rated short-circuit breaking capacity of 15 kA.

Product Name/Title: Miniature Circuit Breaker 50A | Single-Pole | IP40 Protection | Eaton

Brand: Eaton

SKU: Y7-278566

Alternatively Known As: Miniature Circuit Breaker 50A, FAZ MCB 50A, Eaton FAZ-C50/1, xEffect FAZ MCB

Technical Specifications
  • Product Type: Miniature Circuit Breaker (MCB)
  • Number of Poles: 1
  • Tripping Characteristic: C
  • Rated Current: 50 A
  • Voltage Rating AC: 240 V / 415 V
  • Voltage Rating DC: 60 V per pole
  • Rated Short-Circuit Breaking Capacity: 15 kA (IEC/EN 60947-2)
  • Operational Switching Capacity: 7.5 kA
  • Breaking Capacity UL1077: 5 kA
  • Rated Insulation Voltage (Ui): 440 V
  • Rated Impulse Withstand Voltage (Uimp): 4 kV
  • Frequency Rating: 50-60 Hz
  • Mounting Method: Top-hat rail IEC/EN 60715
  • Degree of Protection: IP40 when fitted
  • Terminal Capacity: Up to 25 mm²
  • Ambient Operating Temperature: -25 °C to 75 °C
  • Electrical Lifespan: 10,000 operations
  • Dimensions (H x L x W): 75.5mm x 80mm x 17.7mm
  • Weight: 0.122 kg
Key Features
  • Single-pole miniature circuit breaker with tripping characteristic C
  • Rated current: 50 A
  • Voltage rating: 240 V AC / 415 V AC, 60 V DC per pole
  • Rated short-circuit breaking capacity up to 15 kA (IEC/EN 60947-2)
  • Mounting on Top-hat rail IEC/EN 60715
  • Twin-purpose terminals with finger and hand touch safety
  • Ambient operating temperature range: -25 °C to 75 °C
  • Additional equipment possible
  • Current limiting class 3
Professional Installation Requirements
  • Installation must be performed by a qualified electrician to ensure compliance with safety standards and proper operation.
Applications
  • Branch circuits protection in industrial and advanced commercial applications
  • Switchgear for industrial and advanced commercial applications
Standards & Compliance
  • AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
  • Helps prevent electrical faults and fires, contributing to safer energy use
  • Designed for long operational life reducing waste and replacement frequency
Warranty Information

Standard manufacturer warranty applies; please refer to Eaton's official warranty policy for details.

Available Now

The Eaton Moeller series xEffect FAZ-C50/1 Miniature Circuit Breaker is available for immediate purchase, ideal for industrial and commercial electrical protection applications.

Product specifications (skuPage.278566.pdf, 93 Kb) [Download]