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Siemens SB40TLSIG - Solid State Trip Unit 4000A 600V

Siemens
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Siemens SB40TLSIG is a solid-state trip unit designed for overcurrent and ground fault protection in low-voltage power distribution systems. It operates at a 600V voltage rating with a continuous current rating of 4000A, providing LSIG (Long-Time, Short-Time, Instantaneous, and Ground Fault) protection functions. The unit weighs 15 lb and is compatible with SBA, SBH, and SBS breaker frames, featuring a 3-pole configuration. It complies with industry standards for industrial circuit protection, ensuring reliable performance in demanding environments. Typical applications include main and feeder protection in commercial and industrial power systems.

Key Features & Specifications
  • Type: SB Series Solid State Trip Unit
  • Voltage Rating: 600V
  • Current Rating: 4000A (Minimum 4000A, Maximum 4000A)
  • Poles: 3
  • Protection: Solid State with LSIG Functions (Long-Time, Short-Time, Instantaneous, Ground Fault)
  • Compatible Frames: SBA, SBH, SBS
  • Weight: 15 lb
  • Item Subcategory: Trip Units & Programmers
  • Family: SB Series