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Siemens CM3B500 - Molded Case 500A 600V 3-Phase

Siemens
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Siemens CM3B500 Circuit Breaker - Molded Case 500A 600V 3-Phase The Siemens CM3B500 is a 3-pole molded case circuit breaker from the Cordon family, designed for overcurrent protection in industrial power distribution systems. It operates at a voltage rating of 600V and a current rating of 500A, with a 100kA interrupting capacity at 480V, utilizing thermal magnetic protection with LI (Long-Time and Instantaneous) trip functions. This bolt-on unit weighs 56 lb and features a robust construction suitable for 3-phase applications. It complies with industry standards for molded case circuit breakers, ensuring reliable performance in demanding environments. Typical applications include main or feeder protection in commercial and industrial electrical panels, motor control centers, and switchboards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Cordon Family, CM Series
  • Voltage Rating: 600V AC
  • Current Rating: 500A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 100kA@480V
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: Bolt-On
  • Weight: 56 lb
  • Standards: Industry standard molded case circuit breaker compliance
  • Applications: Industrial power distribution, main feeder protection, motor control centers


Product Identification
  • Manufacturer: Siemens
  • Model: CM3B500
  • Family: Cordon
  • Type: CM