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Eaton FAZ-B4/1-SP - Molded Case 4A 277V (1-Pole Thermal Magnetic)

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Eaton FAZ-B4/1-SP is a 1-pole thermal-magnetic molded case circuit breaker from the FAZ Series, designed to provide overcurrent protection for branch circuits and equipment. It is rated for 4A at 277V AC with a 10kA interrupting capacity, and its LI (Long-Time and Instantaneous) trip functions ensure precise protection against sustained overloads and short circuits. The unit features a compact 0.69 in x 3.5 in x 3 in (Length/Depth x Height x Width) footprint, weighs 0.27 lb, and accepts wire sizes from 18 AWG to 4 AWG via lug terminals in a feed-thru connection configuration. This breaker complies with UL 1077, CSA C22.2 No. 235, and IEC 60947-2 standards, making it suitable for supplementary protection in industrial control panels, lighting systems, and other single-phase applications.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic, FAZ Series
  • Voltage Rating: 277V AC
  • Current Rating: 4A
  • Dimensions: 0.69 in x 3.5 in x 3 in (Length/Depth x Height x Width)
  • Standards: UL 1077, CSA C22.2 No. 235, IEC 60947-2
  • Applications: Industrial control panels, lighting circuits, equipment protection
  • Switch Type: Circuit Breaker
  • Configuration: 1-Pole
  • Coil Voltage Maximum: N/A
  • Temp Rating: N/A
  • Shipping Dimensions: N/A
  • Phase: 1
  • Amperage: 4A
  • AIC rating: 10kA@277V
  • Connection: Feed-Thru
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: N/A
  • Trip Type: Thermal Magnetic
  • Panel Type: N/A
  • Breaker Type: Molded Case
  • Control Voltage Minimum: N/A
  • Control Voltage Maximum: N/A
  • MCM Size: Min. Wire Size 18 AWG, Max. Wire Size 4 AWG
  • Metal Type: N/A
  • Panel Style: N/A
  • Bus Type: N/A
  • Fuse Class: N/A
  • Insulation Temperature: N/A
  • Inductance: N/A
  • Impedance: N/A
  • Barrels: N/A
  • Class Rating: N/A
  • Diameter: N/A
  • Velocity: N/A
  • Clip Center: N/A
  • Clas: N/A
  • Mounting: N/A
  • Hz: N/A
  • Coil Material: N/A
  • Horse Power: N/A
  • Aux Contacts: N/A
  • CPT: N/A
  • Full Load Amps: N/A
  • Dist Voltage: N/A
  • Bucket Size: N/A
  • Bucket Style: N/A
  • Bucket Type: N/A
  • Full Load Amp Maximum: N/A
  • Full Load Amp Minimum: N/A
  • Enclosure: N/A
  • Relay Style: N/A
  • Coil Voltage Minimum: N/A
  • Wire: N/A
  • Amperage Maximum: N/A
  • Amperage Minimum: N/A
  • Nema Rating: N/A
  • Switch Style: N/A
  • Wire Size: 18 AWG to 4 AWG
  • Certification: UL 1077, CSA C22.2 No. 235, IEC 60947-2
  • Circuit Breaker Mounting Style: N/A
  • Terminal Connection: Lug
  • Frequency Rating: N/A
  • Phase Connection: 1-Phase
  • Standards: UL 1077, CSA C22.2 No. 235, IEC 60947-2
  • Compatible Frames: N/A
  • Installation Type: N/A
  • Item QTY: 1
  • Nema Starter Size: N/A
  • Breaker Frame: N/A
  • Current Rating: 4A
  • Reverse Standoff Voltage: N/A
  • Watts: N/A
  • Peak Pulse Current: N/A
  • Breakdown Voltage (MIN VBR@IT ) (V): N/A
  • Breakdown Voltage (VBR@IT) (V): N/A
  • Polarity: N/A
  • Operating Temperature Maximum Celsius: N/A
  • Max Clamp Voltage: N/A
  • On-State Current: N/A


Product Identification
  • UPC: 01508163986
  • GTIN: 04015081639861