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Siemens SBST120 - Shunt Trip 120V AC for SB Series Breakers

Siemens
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Siemens SBST120 is a shunt trip accessory designed for remote tripping of compatible circuit breakers in electrical protection systems. It operates on a 120V AC control voltage and is engineered for integration with Siemens SB, SBA, SBH, and SBS series breaker frames to provide an immediate opening command. The unit is constructed with durable industrial-grade materials, has a compact form factor, and weighs 5 lb for robust performance in demanding environments. It complies with relevant industry standards for safety and interoperability, ensuring reliable operation within industrial control panels, commercial power distribution systems, and other applications where remote circuit interruption is required for safety or operational control.

Key Features & Specifications
  • Type: Shunt Trip Accessory (SBST), electromechanical operation
  • Voltage Rating: 120V AC
  • Control Voltage Minimum: 120V AC
  • Control Voltage Maximum: 120V AC
  • Compatible Frames: SB, SBA, SBH, SBS Series
  • Weight: 5 lb
  • Standards: Meets applicable industrial safety and performance standards
  • Applications: Industrial control panels, commercial power distribution, safety systems
  • Item Subcategory: Shunt Trip
  • Family: SB Series