
Industrial Shock Block GFCI

Littelfuse Shock Block® Industrial Products protect workers against electrical shock in industrial applications. The Littelfuse Shock Block UL-listed GFCI products are designed for maximum safety protection. These extremely important safety products include the special-purpose SB5000 and SB6100, as well as AC6000, which is an industrial Shock Block cart and mounting frame. These Shock Block industrial products are designed to meet the requirements for special-purpose GFCIs as defined by UL 943C.
- Fixed or selectable ground current trip levels from 6 mA to 100 A
- Minimum trip time ≤ 20 ms
- Operating frequency of 60 Hz
- Operate at temperatures ranging from –30 °C to +40 °C without derating
- Normally open contacts
- Conformally coated
- UL 943 inverse time trip curve
- Designed for use in grounded systems
- Automatic self-test
- Auxiliary contact to trigger an alarm when unit trips
Industrial Shock Block GFCI Parts
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Showing 1 to 12 of 59 Total Results
Part Number | Actions | Conformally Coated | Frequency (Hz) | GF Trip Level A | NEMA Rating | Relay Contacts Config | Relay Contacts Operation | System Type | Supply Voltage AC |
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Part Number | Actions | Conformally Coated | Frequency (Hz) | GF Trip Level A | NEMA Rating | Relay Contacts Config | Relay Contacts Operation | System Type | Supply Voltage AC | |
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Standard | 60 | 20 (Fixed) | NEMA 4X, IP69K | One Normally Open | Follows Contactor | Grounded | 208 | |||
Standard | 60 | 20 (Fixed) | NEMA 4X, IP69K | One Normally Open | Follows Contactor | Grounded | 600 | |||
Standard | 60 | 20 (Fixed) | NEMA 4X, IP69K | One Normally Open | Follows Contactor | Grounded | 600 | |||
Standard | 60 | 6, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100 (Selectable) | NEMA 4X, IP69K | One Normally Open | Follows Contactor | Grounded | 208 | |||
Standard | 60 | 20 (Fixed) | NEMA 4X, IP69K | One Normally Open | Follows Contactor | Grounded | 600 | |||
Standard | 60 | 20 (Fixed) | NEMA 4X, IP69K | One Normally Open | Follows Contactor | Grounded | 600 | |||
Standard | 60 | 6 (Fixed) | NEMA 4X, IP69K | One Normally Open | Follows Contactor | Grounded | 208 | |||
Standard | 60 | 20 (Fixed) | NEMA 4X, IP69K | One Normally Open | Follows Contactor | Grounded | 600 | |||
Standard | 60 | 20 (Fixed) | NEMA 4X, IP69K | One Normally Open | Follows Contactor | Grounded | 600 | |||
Standard | 60 | 20 (Fixed) | NEMA 4X, IP69K | One Normally Open | Follows Contactor | Grounded | 480 |
Industrial Shock Block GFCI Applications
- Agricultural operations and horticultural lighting
- Amusement parks
- Commercial kitchens
- Construction sites
- Food and beverage processing plants
- Maintenance shops and vehicle service centers
- Manufacturing facilities
- Mining, oil, and gas operations
- Pools, spas, fountains, and water features
- Water/wastewater facilities
Industrial Shock Block GFCI Resources

GFCI and SPGFCI Brochure
Read expert answers to questions about UL compliance, GFCI classes, and the differences between Littelfuses SB6100 GFCI and SB6100 EGFPD.

Shock Safety Webinar
Stream this presentation to learn what you can do to protect workers from electrical shock injuries and electrocution.

Preventing Electrocutions and Injuries with Industrial GFCIs
Download the Littelfuse white paper on preventing electrical shocks in industrial and restaurant settings by installing special purpose GFCIs.