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AB50 - Molded Case Circuit Breaker 50A 240V

United Fuses
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The AB50 is a high-performance industrial circuit breaker designed for overcurrent protection and reliable power distribution in demanding electrical systems. It operates at a standard voltage rating with a current rating of 50 amps, ensuring robust performance for branch circuit protection. This unit weighs 5.19 lb and features a compact, durable construction suitable for panelboard or switchboard installation, with a thermal-magnetic trip mechanism for precise fault response. It complies with UL 489 and CSA standards, making it ideal for commercial and industrial applications such as motor control centers, lighting panels, and distribution boards.

Key Features & Specifications
  • Type: Industrial molded case circuit breaker, thermal-magnetic operation
  • Voltage Rating: 240V AC
  • Current Rating: 50 A
  • Dimensions: Not specified
  • Standards: UL 489, CSA C22.2 No. 5
  • Applications: Commercial and industrial power distribution, motor protection
  • Switch Type: Toggle
  • Configuration: 1-pole
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: 40°C
  • Shipping Dimensions: Not specified
  • Phase: 1
  • Voltage: 240V
  • Amperage: 50 A
  • AIC rating: 10 kA
  • Connection: Line and load lugs
  • Poles: 1
  • Protection: Overcurrent and short circuit
  • Functions: On/Off switching, overload protection
  • Frame Size: 100 A frame
  • Trip Type: Thermal-magnetic
  • Panel Type: Not specified
  • Breaker Type: Molded case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Steel enclosure
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • Insulation Temperature: 105°C
  • Inductance: Not applicable
  • Impedance: Not applicable
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Panel mount
  • Hz: 50/60
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not available
  • CPT: Not available
  • Full Load Amps: 50 A
  • Dist Voltage: 240V
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 50 A
  • Full Load Amp Minimum: 0 A
  • Enclosure: Open style
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Copper/Aluminum
  • Amperage Maximum: 50 A
  • Amperage Minimum: 0 A
  • Nema Rating: 1
  • Switch Style: Toggle
  • Wire Size: 14 AWG to 2 AWG
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Bolt-on
  • Terminal Connection: Screw type
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single phase
  • Standards: UL 489, CSA
  • Compatible Frames: 100 A frame
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: 100 A
  • Current Rating: 50 A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not applicable
  • Peak Pulse Current: Not applicable
  • Breakdown Voltage (MIN VBR@IT ) (V): Not applicable
  • Breakdown Voltage (VBR@IT) (V): Not applicable
  • Polarity: Not applicable
  • Operating Temperature Maximum Celsius: 40°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable
  • Weight: 5.19 lb


Product Identification
  • UPC: Not specified
  • GTIN: Not specified