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Eaton FAZ-S4/1 - Thermal Magnetic 4A 1-Pole Breaker

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Eaton FAZ-S4/1 is a 4A, 1-pole thermal magnetic circuit breaker designed for supplementary protection in industrial and commercial electrical systems. This molded case unit operates at 480V AC with a 10kA interrupting capacity at 277/480V, featuring LI (Long-Time and Instantaneous) trip functions for precise overcurrent response. The compact device measures 3 in x 3 in x 3 in, weighs 1 lb, and utilizes a feed-thru connection for straightforward integration into DIN rail-mounted panels. It is UL 1077 recognized and CSA certified for branch circuit supplementary protection, complying with IEC/EN 60947-2 standards for reliable performance. Typical applications include protecting control circuits, lighting panels, and small motor loads in industrial automation and commercial distribution systems.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Manufacturer: Eaton
  • Current Rating: 4A
  • Voltage Rating: 480V AC (415V AC per reference)
  • Number of Poles: 1
  • Protection: Thermal Magnetic
  • Trip Unit: S Curve
  • Functions: LI - Long-Time and Instantaneous
  • Interrupt Rating: 10kA@277/480V (15kAIC per reference)
  • Connection: Feed-Thru
  • Mounting Type: DIN Rail
  • Dimensions: 3 in x 3 in x 3 in (Length/Depth x Height x Width)
  • Weight: 1 lb
  • Country of Origin: Germany
  • Standards: UL 1077, IEC/EN 60947-2, CSA Certified
  • Degree of Protection: IP20
  • Conductor Cross Section: 1-25 mm²
  • Operating Temperature: -25 to 75°C
  • Phase: 1
  • Supplementary Protector Only


Product Identification
  • UPC: 001508278609