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General Electric TB43T300 - Circuit Breaker 300A 3 Pole

General Electric
Price
Save $-596.82
/
Condition
  • Low stock - 3 items left
  • Backordered, shipping soon

⚡ 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 TB43T300 is a 300A three-pole molded case circuit breaker from the Tri-Break family, designed for overcurrent protection in industrial and commercial power distribution systems. It operates at a maximum voltage rating of 600V and utilizes a thermal-magnetic trip unit with LI (Long-Time and Instantaneous) functions to safeguard against overloads and short circuits. The unit weighs 3 lb and is constructed for plug-in mounting, compatible with General Electric TB and TB4 frame panels. This breaker is UL listed, ensuring compliance with industry safety and performance standards. It is typically applied in panelboard and switchgear installations requiring reliable three-phase circuit protection.

Key Features & Specifications
  • Type: TB
  • Family: Tri-Break
  • Poles: 3
  • Amperage: 300A
  • Voltage Rating: 600V
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 3 lb
  • Mounting Type: Plug-in
  • Compatible Frames: TB, TB4
  • Interrupting Rating: 50kA @ 480V
  • Certifications: UL Listed


Part Number: TB43T300