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Siemens MN3B1000 - Molded Case 1000A 600V 3-Phase

Siemens
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Siemens MN3B1000 Circuit Breaker - Molded Case 1000A 600V 3-Phase The Siemens MN3B1000 is a 3-pole molded case circuit breaker from the MN Series, designed for LI (Long-Time and Instantaneous) protection functions. This thermal magnetic breaker is rated for 600V AC and 1000A, with a bolt-on connection for secure installation in 3-phase power distribution systems. Weighing 35 lb, it features a compact molded case construction suitable for industrial panelboards and switchboards. The breaker complies with applicable UL and NEMA standards for overcurrent protection in commercial and industrial environments. Typical applications include main or feeder protection in manufacturing facilities, data centers, and large commercial buildings where high-ampacity thermal magnetic tripping is required.

Key Features & Specifications
  • Type: Molded Case, MN Series, Thermal Magnetic
  • Voltage Rating: 600V AC
  • Current Rating: 1000A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: LI - Long-Time and Instantaneous
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 35 lb
  • Family: MN Series
  • Item Subcategory: Molded Case


Product Identification
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