4 Pole 100A Main Switch with Twin Screw Terminals – WME4100
The WME4100 is a 4 pole 100A main switch with twin screw terminals, designed for secure, reliable isolation on three-phase consumer units and distribution...
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Shop main switches and rotary isolator switches for consumer units, distribution boards, machinery, HVAC, EV chargers, garages and outdoor circuits.
Choose the device around its switching function, rated current, poles, utilization category, enclosure, locking requirement and whether it is suitable for isolation.
Quick guide: Main switches are commonly installed within boards; rotary isolators provide local disconnection near equipment. Product markings and manufacturer data determine whether a specific device is suitable for the intended isolation duty.
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The correct choice follows the device location and duty. A board-mounted main switch provides incoming isolation for an assembly. A rotary isolator is commonly positioned locally so equipment can be disconnected for work or maintenance. Confirm suitability from the product markings and datasheet.
Typically installed in a consumer unit or distribution board. Check assembly compatibility, rated current, poles, terminal capacity and switching function.
Provide visible local switching near machinery, HVAC, EV equipment or outbuilding supplies. Select the utilization category, poles and enclosure for the load and environment.
Isolation at the meter position has different ownership and installation considerations from a standard board main switch or equipment isolator.
Rotary IsolatorsMeter IsolatorsConsumer UnitsThree PhaseEnclosures
Before ordering: confirm the device is rated and marked for the intended switching or isolation function, load, pole configuration and environment.