Littelfuse SB6100-020-0, SB6000 Series, Industrial Shock Block for Personnel Protection, 208VAC, UL 943 Class A GFCI, Open-Chassis Model
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Ground-Fault Circuit Interrupter (GFCI), Class A
The Shock Block is available as a Class A GFCI, allowing commercial kitchens, construction sites, and other non-dwelling units with wet areas to meet NEC 210.8(B) for their 3-phase loads up to 100 A.
Rating and Models
Industrial Shock Block (GFCI & EGFPD) is available for three-phase voltages from 208 to 600 V with a maximum full load current of 100 A, and a built-in overcurrent protection supplied by Littelfuse Class T fuses. The power system can be either solidly or high-resistance grounded and the load must be three phase without a neutral.
Two options for enclosures are available: UL-recognized open-chassis models are available for installation in existing electrical enclosures and UL-listed enclosed models include a NEMA-4X enclosure for stand-alone installations.
Ground Wire (Load-Ground) Monitor
The Industrial Shock Block also monitors the ground wire (load-ground) connection between the Industrial Shock Block and load. This is a required feature for Class C and D GFCI devices and and is recommended for Class A GFCI and EGFPD devices. If the connection is broken, the Industrial Shock Block will trip and provide an alarm by changing the state of the alarm contacts. This monitoring circuit includes an extra wire (pilot wire) between the Industrial Shock Block and load (since the monitoring current is low, only a small wire is required). At the load, the pilot wire is connected to a termination device. The other end of the termination device is connected to the load ground (typically the enclosure).
Specifications
| Voltage Rating | 208 V |
| Current Rating | 100 A (continuous) |
| System Type | 3-phase, 3-wire (no neutral), 60 Hz |
| Short-Circuit Current Rating | 50,000 A |
| Trip Level Settings | Selectable (6, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100 mA), fixed at 6 mA, or fixed at 20 mA |
| Trip Time Setting | Inverse time trip curve |
| Enclosure | NEMA 4X, Polyester, Lockable |
| Operating Temperature | –35 °C (–31 °F) to + 40 °C(104 °F), up to + 66 °C (151 °F) with derating |
| Dimensions |
Enclosed: H 453.8 mm (17.9”); W 406.2 mm (16.0”); D 223.3 mm (8.8”) Open-chassis: H 455.0 mm (17.9”); W 340.7 mm (13.4”); D 174.9 mm (6.8”) |
| Wiring Requirements | 2/0 AWG (maximum) |
| Approval |
GFCI: UL Listed (enclosed models) and UL Recognized Component (open-chassis models) EGFPD: cULus Listed (enclosed models) and cURus Recognized Component (open-chassis models); UL1998 Compliant (revision 01 or higher); All models except SB6100-02x-0 CSA Certified |
| Warranty | 1 year |