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Allen-Bradley 140U-H2C3-C50 - Molded Case Breaker 50A 600V

Allen-Bradley
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The Allen-Bradley 140U-H2C3-C50 is a Bulletin 140U molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. This 3-pole, 50A unit provides thermal-magnetic protection with LI (Long-Time and Instantaneous) functions, rated for 600V AC and capable of interrupting 25kA at 480V. The bolt-on connection design ensures secure installation within panelboards, weighing 4 lb. It complies with industry standards for molded case circuit breakers, suitable for commercial and industrial applications requiring reliable branch circuit protection. Typical applications include motor control centers, lighting panels, and distribution boards where coordinated protection is essential.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic
  • Voltage Rating: 600V AC
  • Current Rating: 50A
  • Dimensions: Standard Bulletin 140U frame size
  • Standards: UL 489, CSA C22.2 No. 5
  • Applications: Branch circuit protection, motor control centers, distribution panels
  • Switch Type: Toggle
  • Configuration: 3-Pole
  • Coil Voltage Maximum: Not applicable (thermal-magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: 4.5 x 3.5 x 3.0 in
  • Phase: 3
  • Voltage: 600V
  • Amperage: 50A
  • AIC rating: 25kA@480V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: 140U
  • Trip Type: 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: Copper alloy
  • Panel Style: Bolt-On
  • Bus Type: N/A
  • Fuse Class: N/A
  • Insulation Temperature: 105°C
  • 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
  • Coil Material: N/A
  • Horse Power: N/A
  • Aux Contacts: N/A
  • CPT: N/A
  • Full Load Amps: 50A
  • Dist Voltage: 600V
  • Bucket Size: N/A
  • Bucket Style: N/A
  • Bucket Type: N/A
  • Full Load Amp Maximum: 50A
  • Full Load Amp Minimum: 50A
  • Enclosure: Open
  • Relay Style: N/A
  • Coil Voltage Minimum: N/A
  • Wire: N/A
  • Amperage Maximum: 50A
  • Amperage Minimum: 50A
  • Nema Rating: N/A
  • Switch Style: Toggle
  • Wire Size: 14 AWG to 2 AWG
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Standards: UL 489, CSA C22.2 No. 5
  • Compatible Frames: Bulletin 140U
  • Installation Type: Panelboard
  • Item QTY: 1
  • Nema Starter Size: N/A
  • Breaker Frame: 140U
  • Current Rating: 50A
  • 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


Product Identification
  • UPC: Not available
  • GTIN: Not available