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Westinghouse GBH1020 - Circuit Breaker 20A 120/240V AC

Westinghouse
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Westinghouse GBH1020 is a circuit breaker designed for overload and short-circuit protection in electrical distribution systems. It operates at 120/240 volts AC with a 20-amp current rating, featuring a compact molded case construction for panelboard installation. This unit complies with UL 489 standards for industrial safety and is commonly used in load centers for commercial and light industrial applications.

Key Features & Specifications
  • Type: Molded case circuit breaker, thermal-magnetic trip
  • Voltage Rating: 120/240 V AC
  • Current Rating: 20 A
  • Dimensions: Standard 1-inch pole width
  • Standards: UL 489 listed
  • Applications: Load centers, distribution panels
  • Switch Type: Toggle
  • Configuration: Single pole
  • Coil Voltage Maximum: Not applicable (thermal-magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: 3 x 2 x 2 inches
  • Phase: Single phase
  • Voltage: 120/240 V AC
  • Amperage: 20 A
  • AIC rating: 10 kAIC at 120/240 V AC
  • Connection: Plug-in
  • Poles: 1
  • Protection: Overload and short circuit
  • Functions: Circuit interruption
  • Frame Size: GHB
  • Trip Type: Thermal-magnetic
  • Panel Type: Load center
  • Breaker Type: GHB
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Copper alloy contacts
  • Panel Style: Flush or surface mount
  • Bus Type: Tin-plated copper
  • Fuse Class: Not applicable
  • Insulation Temperature: 105°C
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: 1 inch
  • Clas: Not applicable
  • Mounting: Plug-in
  • Hz: 60 Hz
  • Coil Material: Not applicable
  • Horse Power: 1 HP at 120 V, 2 HP at 240 V
  • Aux Contacts: Not included
  • CPT: Not included
  • Full Load Amps: 20 A
  • Dist Voltage: 120/240 V AC
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 20 A
  • Full Load Amp Minimum: 0 A
  • Enclosure: Open style
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Copper or aluminum
  • Amperage Maximum: 20 A
  • Amperage Minimum: 0 A
  • Nema Rating: 1
  • Switch Style: Toggle
  • Wire Size: 14 AWG to 8 AWG
  • Certification: UL 489
  • Circuit Breaker Mounting Style: Plug-in
  • Terminal Connection: Screw type
  • Frequency Rating: 60 Hz
  • Phase Connection: Single phase
  • Standards: UL 489, CSA
  • Compatible Frames: GHB series
  • Installation Type: Panelboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: GHB
  • Current Rating: 20 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


Product Identification
  • UPC: 786679023624
  • GTIN: 00782451030286