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Square D EHB34040PL - Molded Case Circuit Breaker 40A 480V 3P

Square D
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Square D EHB34040PL is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial electrical systems. It features a 40A current rating and a 480V voltage rating, utilizing a thermal-magnetic trip unit for combined long-time and instantaneous (LI) protection functions. The breaker is constructed as a three-pole, bolt-on unit with a compact design, weighing 1 lb, and is built to meet rigorous industry standards for safety and performance. It is engineered for compliance with applicable electrical codes and is typically applied in industrial control panels, motor control centers, and power distribution equipment where a 14kA interrupting rating at 277V is required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, EHB Series, Thermal Magnetic Protection
  • Voltage Rating: 480V AC
  • Current Rating: 40A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection Functions: LI (Long-Time and Instantaneous)
  • AIC Rating: 14kA @ 277V
  • Frame: EHB
  • Item Subcategory: Molded Case
  • Weight: 1 lb


Product Identification
  • Manufacturer Part Number: EHB34040PL