Leading Manufacturer of Machine Safety Products and Guard Interlocking Systems

Product range approvals:

Tongue Interlock Safety Switches (Non-Locking) for Explosive Environments (Plastic)

IDEM’s range of Explosion Proof Tongue Interlock Switches 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.

Designed to fit to the leading edge of sliding, hinged or lift off machine guards they provide positively operated switching contacts and provide a tamper resistant, not easily defeated key mechanism. They combine Explosion Proof protection and satisfy high functional safety requirements all in one device.

They are available in a range of housings – extremely robust polyester (coloured red), die cast metal (painted red) or Stainless Steel 316 to satisfy virtually all applications where the potential for explosion exists.

They are manufactured with ATEX Exd IIC T6 certified explosion proof contact blocks. All electrical switching elements are fully encapsulated. The range conforms 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).

Designed for use in the Oil, Petro-Chemical, Food Processing and Packaging, Pharmaceutical industries where potential explosive atmospheres are present.

Explosion Proof Tongue Interlock Safety Switch (KP-EX)

The KP-EX is a tongue operated safety interlock, suitable for use in hazardous environments. They mount directly to the leading edge of sliding, hinged, or lift off machine guards and feature IDEM’s reliable anti-tamper cam system.
  • Body Material: Red Polyester
  • Ingress Protection: IP67
  • Contacts: 2-Pole or 4-Pole Ex Rated Contact Blocks
  • Zones: 1, 21, 2, 22
  • Ex Marking: Exd IIC T6 (-20 ≤ Ta ≤ +60C) Gb / Ex tb IIIC T85C (-20 ≤ Ta ≤ +60C) Db
NOTE: Comes with 3m of pre-wired cable (longer available on request).