Main Switch
WSM-125 Main Switch
Incomer isolation at 100A or 125A in one to four poles. CB, SEMKO, CE and UKCA certificates are held against this range.
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Main Switches
Main-switch isolators from 100A to 250A for the incomer position of consumer units and distribution boards.
Representative models
Products in this family. 4
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Main Switch
WSM-125D Main Switch
Same 100A/125A duty as the WSM-125, but with a double wiring terminal — useful where an outgoing tail has to be taken off the incomer without a separate connector block.
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Main Switch
WSM-100 Main Switch
A 100A-only isolator range in one to four poles, for boards where the incomer is fixed at 100A and the wider 125A selection is not needed.
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Main Switch
WSM-250 Main Switch
Three-pole 250A isolation for the top end of the range — commercial boards and sub-mains where a modular 125A incomer is no longer enough.
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Specify the right configuration
01Rated current
02Poles
03Single or double wiring terminal
04Enclosure and busbar compatibility
Buyer evaluation checklist
Information to verify before requesting a quote.
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Model number, poles or ways, current, voltage, breaking capacity and IP rating.
Typical installations, compatible systems and selection guidance.
Applicable standards, approval type and exactly which models are covered.
Standard MOQ, trial-order policy, sample cost and preparation time.
Timelines for standard orders, OEM samples and repeat production.
Warranty term, applicable scope and claim-support information.
Logo, marking, colour, packaging, labels, manuals and catalogues.
Datasheet, dimensional drawing, wiring diagram and installation guide.
Compatible enclosures, breakers, RCDs, RCBOs, SPDs and fuse systems.
Model, quantity, market, application, approval and delivery target.
Commercial and technical support Specifications · MOQ · samples · lead time · warranty · certificate scope
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Available configurations
- WSM-100 · 100A
- WSM-125 · 100/125A
- WSM-125D · double wiring terminal
- WSM-250 · 3P 250A
Related Solutions & OEM/ODM
Standards direction
- BS EN 60947-3 · CB · SEMKO · UKCA