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Siemens HNX3B120 - Molded Case Circuit Breaker 1200A 600V

Siemens
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Siemens HNX3B120 is a molded case circuit breaker designed for providing robust overcurrent and short-circuit protection in demanding three-phase industrial power distribution systems. It features a 1200A current rating and a 600V voltage rating, engineered within a compact NG frame with a durable thermal-magnetic trip unit for reliable long-time and instantaneous (LI) protection. The three-pole, bolt-on construction ensures a secure connection and is built to comply with stringent UL and IEC standards for safety and performance. This breaker is typically applied in main distribution panels, switchboards, and industrial control panels where a high interrupting capacity of 65kA at 480V is required for system integrity.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 600V AC
  • Current Rating: 1200A
  • Frame Size: NG Frame
  • Poles: 3
  • Phase: 3
  • AIC Rating: 65kA @ 480V
  • Protection Functions: LI (Long-Time and Instantaneous)
  • Certification: UL, IEC
  • Connection: Bolt-On (Lugs Not Included)
  • Family: VL Series
  • Weight: 65 lb


Product Identification
  • UPC: 078364349830
  • GTIN: 00783643498303