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Siemens LM3B500 - Molded Case 500A 600V 3-Pole Breaker

Siemens
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The Siemens LM3B500 is a 3-pole molded case circuit breaker from the L Frame family, designed to provide LI (Long-Time and Instantaneous) protection for industrial power distribution systems. Rated for 600V AC and 500A, this thermal magnetic breaker utilizes a bolt-on connection and is configured for 3-phase operation. Weighing 56 lb, the LM3B500 features a robust molded case construction suitable for demanding environments. This breaker complies with applicable industry standards for overcurrent protection and is typically used in switchboards, panelboards, and industrial control panels.

Key Features & Specifications
  • Type: LM Molded Case
  • Voltage Rating: 600V
  • Current Rating: 500A
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Phase: 3
  • Functions: LI - Long-Time and Instantaneous
  • Family: L Frame
  • Weight: 56 lb