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AF125A - Circuit Breaker 125A 600VAC 3-Pole

United Fuses
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AF125A is a thermal-magnetic circuit breaker designed for overcurrent protection in industrial electrical systems. It is rated for 125A at 600V AC, with a compact frame size that supports a 3-pole configuration and a 65kAIC rating at 240VAC. The unit weighs 5.19 lb and features a bolt-on mounting style with a standard panel type, utilizing a fixed thermal-magnetic trip mechanism for reliable short-circuit and overload protection. This breaker complies with UL 489 and CSA standards, ensuring robust performance in demanding environments. It is commonly applied in motor control centers, distribution panels, and switchboards for branch circuit protection.

Key Features & Specifications
  • Type: Thermal-magnetic circuit breaker, molded case, fixed trip
  • Voltage Rating: 600V AC
  • Current Rating: 125A
  • Dimensions: Compact frame size
  • Standards: UL 489, CSA
  • Applications: Motor control centers, distribution panels, switchboards
  • Switch Type: Toggle
  • Configuration: 3-pole
  • Coil Voltage Maximum: N/A
  • Temp Rating: 40°C
  • Shipping Dimensions: N/A
  • Phase: 3-phase
  • Voltage: 600V AC
  • Amperage: 125A
  • AIC rating: 65kAIC at 240VAC
  • Connection: Bolt-on
  • Poles: 3
  • Protection: Overcurrent, short-circuit
  • Functions: Circuit protection
  • Frame Size: 125A frame
  • Trip Type: Fixed thermal-magnetic
  • Panel Type: Standard
  • Breaker Type: Molded case
  • Control Voltage Minimum: N/A
  • Control Voltage Maximum: N/A
  • MCM Size: N/A
  • 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: Bolt-on
  • Hz: 50/60 Hz
  • 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: 125A
  • Amperage Minimum: N/A
  • Nema Rating: N/A
  • Switch Style: Toggle
  • Wire Size: N/A
  • Certification: UL 489, CSA
  • Circuit Breaker Mounting Style: Bolt-on
  • Terminal Connection: N/A
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 489, CSA
  • Compatible Frames: N/A
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: N/A
  • Breaker Frame: 125A
  • Current Rating: 125A
  • 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: 40°C
  • Max Clamp Voltage: N/A
  • On-State Current: N/A
  • Weight: 5.19 lb


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