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Siemens SB4ST24 - Shunt Trip Assembly 24VDC

Siemens
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Siemens SB4ST24 is a shunt trip assembly designed for remote circuit interruption in industrial and commercial power distribution systems. This device enables automated or emergency tripping by applying a 24VDC signal to the shunt trip coil, operating within a control voltage range of 24V minimum to 24V maximum. It weighs 5 lb and features a compact, industrial-grade construction designed for breaker-integrated mounting, compatible with SB, SBA, SBH, and SBS breaker frames. The assembly is built to Siemens quality standards for durability and performance in demanding environments. Typical applications include emergency shutdown systems and automated power control in industrial facilities.

Key Features & Specifications
  • Type: Shunt Trip Assembly
  • Manufacturer: Siemens
  • Family: SB Series
  • Weight: 5 lb
  • Control Voltage Minimum: 24
  • Control Voltage Maximum: 24
  • Compatible Frames: SB, SBA, SBH, SBS
  • Part Number: SB4ST24
  • Operating Voltage: 24VDC
  • Mounting Type: Breaker Integrated
  • Application: Remote Circuit Interruption
  • Function: Emergency or Automated Tripping
  • Construction: Compact, Industrial Grade
  • Standards: Siemens Quality Certified