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Square D EHB340301082 - Molded Case Circuit Breaker 30A 480V 3P

Square D
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Square D EHB340301082 is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial electrical systems. It features a 30A current rating and a 480V voltage rating, with a thermal-magnetic protection mechanism that combines long-time delay and instantaneous tripping functions for coordinated system protection. The breaker is constructed as a three-pole, bolt-on unit with a compact design, weighing 1 lb, and includes an integrated 120/140V shunt trip for remote tripping capability. It complies with industry standards for molded case circuit breakers and offers an interrupting capacity of 14kA at 277V. This breaker is typically applied in industrial panelboards, switchboards, and motor control centers for protecting feeders and branch circuits.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 480V AC
  • Current Rating: 30A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 14kA @ 277V
  • Protection Functions: LI (Long-Time and Instantaneous)
  • Additional Feature: Complete with 120/140V Shunt Trip
  • Connection Type: Bolt-On
  • Weight: 1 lb
  • Family: EHB Series


Product Identification
  • Manufacturer Part Number: EHB340301082