Littelfuse, Inc.
SB5000 Shock Block: Reliable Electrical Shock Protection for Personnel

SB5000 Shock Block: Reliable Electrical Shock Protection for Personnel

The compact Littelfuse Industrial Shock Block® SB5000 protects workers from electrical shock and is available as a 208 V Class A ground-fault circuit interrupter (GFCI). This allows commercial kitchens, construction sites, and other non-dwelling units with wet areas to meet NEC 210.8(B) now for their three-phase loads up to 60 A.
This personnel protection device is also designed to meet the requirements for special-purpose Class C and D GFCIs defined by UL 943C for industrial facilities.
Features include:

  • Fixed 6 mA (UL 943) or 20 mA (UL 943C) trip level – UL Listed GFCI and Special-Purpose GFCI personnel protection for industrial and commercial loads up to 60A
  • The Discrete Fourier Transform (DFT) filtering algorithm eliminates nuisance trips due to harmonics
  • The flexible configuration includes a selectable manual reset or auto-reset for brownout, power up, and ground monitor interruptions to fit plant safety protocols
  • With an automatic self-test, the Shock Block will continuously test itself and will trip if there is an internal failure
  • This Shock Block has the GFCI Class A, C, D and EGFPD options in one series which helps simplify planning and operator familiarity for multiple applications or requirements
SDS Stainless Steel Disconnects
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