Limit Switch

IDEM offer a comprehensive and extensive range of Safety Limit Switches.

Manufactured in Stainless Steel 316, Standard Duty Plastic and Heavy Duty Die Cast, the range covers all applications within all industry sectors.

With Roller Plunger, Short Roller Lever, Pin Plunger, Spring Lever, Hinge Lever, Adjustable Roller Lever, Lever Arm, Cats Whisker and Panel Mount Plungers there is an IDEM Safety Limit Switch for virtually any application.

In addition IDEM also produce pre-wired ATEX Certified Explosion Proof versions for environments where the potential for explosion exists.


IDEM offer a range of Explosion Proof Limit Switches with a choice of linear or rotary heads. They have been developed to satisfy the latest IECEx and ATEX Standards and provide Explosion Proof switching to satisfy the hazardous conditions created within the oil, chemical, pharmaceutical and food processing and packaging industries.

They combine Explosion Proof protection and satisfy high functional safety requirements all in one device.

They have been designed in either robust Die Cast metal (painted red) or Stainless Steel 316 with a mirror polished finish.

They are manufactured with ATEX EExd IIC T6 certified explosion proof contact blocks.

The Limit Switches conform to European harmonised standards EN60079-0 and EN60079-1 and are suitable for use in European Zones 1,2,21,22 environments (Gas and Dust).

All switches have been designed to the latest ISO13850 standard and the switch mechanism latches the instant the safety contacts open.

Designed for use in the Oil, Petro-Chemical, Food Processing and Packaging, Pharmaceutical industries where the potential for explosion exists.