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General Electric TCO81A - Thermal Magnetic Circuit Breaker 600V 100A

General Electric
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⚡ Product Branding Information

Some General Electric products may now ship with ABB branding due to ABB’s acquisition of GE Industrial Solutions.

Depending on the manufacturing date or production batch, the item or packaging may display either GE or ABB branding.

Unless otherwise noted, these products are considered equivalent in form, fit, function, and specifications.

Please contact our team before placing your order if brand labeling or packaging is critical for your application.

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General Electric TCO81A is a thermal magnetic circuit breaker designed for overcurrent protection in industrial power distribution systems. It is rated for 600V AC and 100A continuous current, with a 3-pole bolt-on configuration and LI (Long-Time and Instantaneous) trip functions. The unit features a copper lug terminal kit with 500 MCM wire capacity, weighs 3 lb, and is part of the K1200 Line family. It complies with UL and NEMA standards for industrial electrical safety. This breaker is suitable for motor control centers, switchboards, and panelboards requiring reliable thermal magnetic protection.

Key Features & Specifications
  • Type: Thermal Magnetic Circuit Breaker with Lug Terminal Kit
  • Voltage Rating: 600V AC
  • Current Rating: 100A
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • MCM Size: 500
  • Metal Type: Copper
  • Compatible Frames: TKMA, THMKA
  • Weight: 3 lb
  • Family: K1200 Line


Product Identification
  • Manufacturer: General Electric
  • Item Subcategory: Lug Terminal Kit