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Rotary Isolators

Rotary isolators let you fully disconnect a circuit by turning a handle, giving a clear off position for maintenance and safety. This Knightsbridge range is 4-pole and rated IP65 for protection against dust and water jets, with current ratings of 20A, 32A and 63A. The red and yellow handles and outdoor rating make them suited to industrial, commercial and outdoor machinery where a robust local disconnect is needed.

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A clear off position for a circuit

A rotary isolator lets you fully disconnect a circuit by turning a handle. The handle gives a clear, visible off position, which matters when someone needs to work on a machine and has to be sure the supply is cut. It is a robust local disconnect rather than a switch for everyday on and off use.

Four-pole switching

This range is 4-pole, breaking all the conductors at once when the handle is turned. That suits three-phase machinery and circuits where every line and the neutral need to be opened together. The rotary action makes the state of the isolator easy to read from across a room.

Built for tough settings

Rated IP65, these isolators are protected against dust and water jets, which is why they suit industrial, commercial and outdoor settings. The red and yellow handle is the standard mark of an emergency or maintenance isolator, making it quick to spot and quick to act on when the supply has to come off.

Current ratings

The range carries 20A, 32A and 63A versions, so the isolator can be matched to the load it sits in front of. Picking the right rating keeps the disconnect suited to the machinery it protects, from smaller motors up to heavier equipment.

Fitting

Wiring an isolator into machinery is work for a qualified electrician, who can match the rating to the circuit and mount it where it is easy to reach. Free UK delivery over £99, worldwide shipping.

Frequently Asked Questions

What does a rotary isolator do?
It provides a local means of fully switching off and disconnecting a circuit, often near a machine or unit so power can be safely cut for servicing. The handle gives a definite on and off position you can see at a glance.

What does the IP65 rating mean here?
IP65 means the enclosure is dust-tight and protected against low-pressure water jets from any direction. That makes these isolators suitable for outdoor and wash-down settings as well as indoor industrial use.

Which amp rating should I choose?
This range offers 20A, 32A and 63A four-pole versions. The right rating depends on the load you are isolating, so the isolator must be matched to the circuit current it serves.

Can I install a rotary isolator myself?
These units connect to fixed mains or industrial wiring, so we recommend installation by a qualified electrician. They can confirm the correct amp rating and pole arrangement for your circuit and complete the connections safely.

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