WM1-Ex WM2-Ex Explosion Proof Non Contact Switches
WM1-Ex: ZONES 0,20,1,21,2,22 GAS AND DUST.
WM2-Ex: ZONES 1,21,2,22 GAS AND DUST.
WM1-Ex is supplied fitted with Stainless Steel flexible cable, pre-wired with 5M or 10M cable and 2NC 1NO circuits.
WM2-Ex is supplied pre-wired with 5M or 10M cable and 2NC 1NO circuits.
Both switches are manufactured in Stainless Steel 316 with a mirror polished finish and are designed to interlock hinged, sliding or removeable guard doors or hatches.
They are designed with highly reliable power reed switching elements, contacts de-rated and protected by internal fuses with high tolerance to guard misalignment.
Manufactured with a magnetic sensing system which provides a wide sensing distance and provides a high tolerance to misalignment after sensing. The WM-Ex Range can be fitted behind stainless steel fittings and can operate in extreme environments of temperature and moisture.
They are particularly advantageous when:
(a) poor guard alignment exists.
(b) high hygiene requirements exist, e.g. food industry hose down.
(c) a long mechanical life is required (no moving or touching parts).
Installation of all IDEM Non Contact EX Switches must be in accordance with a risk assessment for the individual application.
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