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Cutler-Hammer GBK1020 - 2-Pole 20A Circuit Breaker (120/240V AC)

Cutler Hammer
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The Cutler-Hammer GBK1020 is a molded case circuit breaker engineered to provide reliable overcurrent and short-circuit protection for industrial electrical systems. It is rated for 120/240V AC operation with a 20A continuous current capacity, housed in a compact, durable phenolic enclosure measuring 5.3 in x 1.2 in x 0.6 in (L x H x W) and weighing 0.8 lb. This unit complies with relevant UL standards and is designed for integration into panelboards, switchboards, and industrial control equipment as a main or branch circuit protective device.

Key Features & Specifications
  • Type: Molded case, thermal-magnetic trip, 2-pole circuit breaker
  • Voltage Rating: 120/240V AC
  • Current Rating: 20A
  • Dimensions: 5.3 in x 1.2 in x 0.6 in (Length/Depth x Height x Width)
  • Standards: UL 489
  • Applications: Panelboards, switchboards, industrial control equipment
  • Configuration: 2-pole
  • Phase: 1
  • Amperage: 20A
  • Connection: Bolt-on or plug-in (varies by panel)
  • Poles: 2
  • Protection: Thermal-magnetic for overload and short circuit
  • Trip Type: Fixed
  • Breaker Type: Molded Case Circuit Breaker (MCCB)
  • Mounting: Designed for panel mounting
  • Hz: 50/60 Hz
  • Certification: UL Listed
  • Circuit Breaker Mounting Style: Panel Mount
  • Terminal Connection: Screw
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single Phase
  • Standards: UL 489
  • Country of Origin: United States
  • Weight: 0.8 lb


Product Identification
  • UPC: 782114014554
  • GTIN: 00782114014554