Twin Screw 100A Main Switch 4 Pole WIS4100

Availability: 0 left in stock

SKU: WIS4100

£19.70£31.26-37%

The WIS4100 is a robust 4 pole 100A main switch with twin screw terminals for secure, reliable clamping. Designed for isolating circuits in both domestic consumer units and three-phase distribution boards, it ensures safe disconnection...

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INTERNATIONAL	XS	S	M	L	XL	XXL	XXXL
EUROPE	32	34	36	38	40	42	44
US	0	2	4	6	8	10	12
CHEST FIT (INCHES)	28"	30"	32"	34"	36"	38"	40"
CHEST FIT (CM)	716	76	81	86	91.5	96.5	101.1
WAIST FIR (INCHES)	21"	23"	25"	27"	29"	31"	33"
WAIST FIR (CM)	53.5	58.5	63.5	68.5	74	79	84
HIPS FIR (INCHES)	33"	34"	36"	38"	40"	42"	44"
HIPS FIR (CM)	81.5	86.5	91.5	96.5	101	106.5	111.5
SKORT LENGTHS (SM)	36.5	38	39.5	41	42.5	44	45.5

Description Reviews FAQSs Technical Specs Installation Notes

The WIS4100 is a robust 4 pole 100A main switch with twin screw terminals for secure, reliable clamping. Designed for isolating circuits in both domestic consumer units and three-phase distribution boards, it ensures safe disconnection fully in line with the 18th Edition Wiring Regulations.

Compact in footprint and fitted with a colour-coded handle, it integrates easily into electrical enclosures and consumer units. Suitable for both single-phase and three-phase applications, the WIS4100 delivers dependable performance wherever complete circuit isolation is required.

100A rated – capable of isolating full board loads
4 pole configuration – disconnects all live and neutral conductors
Twin screw terminals – prevents loosening and ensures secure cable termination
Colour-coded handle – clear ON/OFF identification at a glance
Compact design: 70mm (W) × 103mm (H) × 65mm (D)
Compatible with main switch isolator setups and multi-pole boards