SB5032-002-0 - SB5000 Industrial Shock Block® GFCI / SPGFCI / EGFPD Series

Series: SB5000 Industrial Shock Block® GFCI / SPGFCI / EGFPD
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Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

Special-Purpose Ground-Fault Circuit Interrupter (SPGFCI), Class C and Class D

The Industrial Shock Block® SB5000 series is a personnel protection device designed to meet the requirements for special- purpose GFCIs defined by UL 943C. This standard outlines GFCI classes specifically designed for use in industrial facilities. Class C GFCIs are intended to be used on three-phase systems where the line-to-line voltage is 480 V or less with a trip level of 20 mA, while Class D GFCIs are intended to be used on 600 V systems. The SB5000 includes DFT harmonic filtering, an automatic self-test feature, and is compliant to the UL 1998 Software in Programmable Components standard.

Ground-Fault Circuit Interrupter (GFCI), Class A

The SB5000 is available as a 208 or 240 V Class A GFCI, allowing commercial kitchens, vehicle service centers, and other non-dwelling applications to meet NEC 210.8(B) for their three-phase loads up to 100 A.

Equipment Ground-Fault Protective Device (EGFPD)

The SB5000 is also available with adjustable protection settings as an EGFPD. The EGFPD models can be set to trip at 6 mA or from 10–100 mA in increments of 10 mA. This offers more flexibility since GFCI and SPGFCI devices are not permitted to have an adjustable trip level.

Ratings and Models

The SB5000 is available for three-phase voltages from 208 to 600 V with a maximum full load current up to 100 A. The power system can be either solidly or high-resistance grounded, and the load must be single-phase or three-phase as
long as the load does not require a neutral. The standard enclosure is IP 69K/NEMA 4X and outdoor rated, suitable for all industrial environments including high temperature washdown used in food production applications. The 32 and 60A models are also available in a hygienic stainless steel enclosure, with a 10 degree sloped top and FDA compliant silicone gasket, designed to facilitate sanitation in food processing facilities and the like.

Grounding Monitor / Interrupter (GMI)

The SB5000 also monitors the equipment grounding connection between the Shock Block and load. This is a required feature for Class C and D GFCI devices and is recommended for Class A GFCI and EGFPD devices. If the ground-return path is broken, the SB5000 will trip and provide an alarm by changing the state of the alarm contacts. This monitoring circuit requires an extra (pilot) wire between the SB5000 and the load. At the load, the pilot wire is connected to a termination device. The other end of the termination device is connected to the equipment ground (typically the enclosure).

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Product Literature


Property (Mouseover for details) Value
Conformally coated Standard
Frequency 60
GF Trip Level A 20 (Fixed)
GF Trip Time s Inverse time trip curve
Relay Contacts Config One Normally Open
Relay Contacts Operation Follows Contactor
System type Grounded
Supply Voltage ac 600

pdf icon GFCIs for Commercial and Industrial Applications

Prevention through Design with Special-Purpose GFCIs
pdficon SB5000 Industrial Shock-Block Manual

pdficon SB5000 Datasheet

SB5000 Guideform Specifications

pdficon GFCI and SPGFCI Brochure

icon-request-icon SB5000 Open 3D Model STP

icon-request-icon SB5032-SB5060 Closed 3D Model STP

pdficon SB5000 Operator Interface Location Dimensions

pdficon A Recipe For Safety In Commercial Kitchens

How GFCIs Protect People From Electrical Hazards in Commercial Kitchens
CAD-DWG-icon SB5000 CAD DWG

icon-request-icon SB5100 Open 3D Model STP

icon-request-icon SB5100 Closed 3D Model STP

pdficon SB5100 Operator Interface Location Dimensions 2D Print PDF

pdficon GFCI Code Requirements

How Unsafe Workarounds Became a Thing of the Past
pdficon SB5000 Commercial Kitchen Flyer

pdficon Shock Block SB5000 In Food & Beverage Processing

pdficon SB5000 Service Garage Flyer

pdficon Industrial Shock Block FAQ

icon-request-icon SB5000 Stainless Steel 3D Model STP

To request product environmental information, please complete the Product Environmental Information Request Form.