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Thomas & Betts LS36T400E - Circuit Breaker 400A 600V 3-Pole

Thomas & Betts
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Thomas & Betts LS36T400E is a molded case circuit breaker from the LS Series, functioning as a thermal magnetic trip unit designed for overload and short circuit protection in power distribution systems. It delivers a 400A continuous current rating with a 600V maximum voltage across 3 poles, utilizing LI (Long-Time and Instantaneous) protection functions. The unit weighs 2 lb and is built with a robust thermoset plastic housing for durability, featuring a bolt-on mounting configuration compatible with LS frames. It meets UL 489 standards for safety and performance in commercial and industrial environments. This breaker is suited for protecting branch circuits and feeders in panelboards and switchboards.

Key Features & Specifications
  • Type: LS
  • Functions: LI - Long-Time and Instantaneous
  • Protection: Thermal Magnetic
  • Voltage Rating: 600V
  • Amperage Maximum: 400
  • Amperage Minimum: 400
  • Poles: 3
  • Weight: 2 lb
  • Compatible Frames: LS
  • Mounting Type: Bolt-On
  • Interrupt Rating: 35kA @ 480V
  • Frame Amps: 600A
  • Certifications: UL 489


Part Number: LS36T400E