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GE THQB1120BA30 - Miniature Circuit Breaker 20A 120/240VAC (1-Pole)

United Fuses
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GE THQB1120BA30 is a miniature circuit breaker designed for overload and short-circuit protection in electrical distribution systems. It is rated for 120/240 VAC at 20 amps, providing reliable current interruption in branch circuits. The breaker features a compact 1-inch frame with a thermal-magnetic trip mechanism and weighs 5.19 lb, constructed with a molded case for durability. It complies with UL 489 and CSA standards, ensuring safe operation in residential and light commercial applications. Typical uses include protecting lighting, receptacle, and small appliance circuits in load centers and panelboards.

Key Features & Specifications
  • Type: Miniature circuit breaker, thermal-magnetic trip, molded case
  • Voltage Rating: 120/240 VAC
  • Current Rating: 20 A
  • Dimensions: 1-inch frame width
  • Standards: UL 489, CSA
  • Applications: Residential and light commercial branch circuit protection
  • Switch Type: Toggle
  • Configuration: Single-pole
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: Not specified
  • Phase: Single-phase
  • Voltage: 120/240 VAC
  • Amperage: 20 A
  • AIC rating: 10 kAIC at 120/240 VAC
  • Connection: Plug-in
  • Poles: 1
  • Protection: Overload and short-circuit
  • Functions: Circuit interruption
  • Frame Size: 1-inch
  • Trip Type: Thermal-magnetic
  • Panel Type: Load center
  • Breaker Type: THQB
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Not applicable
  • Panel Style: Not applicable
  • Bus Type: Not applicable
  • Fuse Class: Not applicable
  • Insulation Temperature: Not specified
  • 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: Plug-in
  • Hz: 60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not applicable
  • CPT: Not applicable
  • Full Load Amps: Not applicable
  • Dist Voltage: Not applicable
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: Not applicable
  • Full Load Amp Minimum: Not applicable
  • Enclosure: Not applicable
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not applicable
  • Amperage Maximum: 20 A
  • Amperage Minimum: Not applicable
  • Nema Rating: Not applicable
  • Switch Style: Toggle
  • Wire Size: 14-8 AWG
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Plug-in
  • Terminal Connection: Screw
  • Frequency Rating: 60 Hz
  • Phase Connection: Single-phase
  • Standards: UL 489, CSA C22.2
  • Compatible Frames: GE load centers
  • Installation Type: Panelboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: THQB
  • 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
  • Weight: 5.19 lb


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