Explosion Proof Tongue Interlock Safety Switch (KM-EX)

The KM-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 Painted Die Cast Metal / Optional Stainless Steel Head
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

Part Number	Part Description
203016	KM-Ex 3M ‘1NC 1NO’
203016-SS	KM-Ex 3M ‘1NC 1NO’ SS Head
203016A	KM-Ex 3M ‘1NC 1NO’ – Std Actuator
203016A-SS	KM-Ex 3M ‘1NC 1NO’ SS Head – Std Actuator
203016F	KM-Ex 3M ‘1NC 1NO’ – flat actuator
203016F-SS	KM-Ex 3M ‘1NC 1NO’ SS Head – flat Actuator
203016HF	KM-Ex 3M ‘1NC 1NO’ – HF Flexible Actuator
203016HF-SS	KM-Ex 3M ‘1NC 1NO’ SS Head – HF Actuator
203016HFH	KM-Ex 3M ‘1NC 1NO’ – HFH Flexible Actuator
203016HFH-SS	KM-Ex 3M ‘1NC 1NO’ SS Head – HFH Flexible Actuator
203016PF	KM-Ex 3M ‘1NC 1NO’ – PF actuator
203016PF-SS	KM-Ex 3M ‘1NC 1NO’ SS Head – PF Actuator
203019	KM-Ex 3M ‘2NC’
203019-SS	KM-Ex 3M ‘2NC’ SS Head
203019A	KM-Ex 3M ‘2NC’ – std actuator
203019A-SS	KM-Ex 3M ‘2NC’ SS Head – Std Actuator
203019F	KM-Ex 3M ‘2NC’ – flat actuator
203019F-SS	KM-Ex 3M ‘2NC’ SS Head – flat Actuator
203019HF	KM-Ex 3M ‘2NC’ – HF Flexible Actuator
203019HF-SS	KM-Ex 3M ‘2NC’ SS Head – HF Actuator
203019HFH	KM-Ex 3M ‘2NC’ – HFH Flexible Actuator
203019HFH-SS	KM-Ex 3M ‘2NC’ SS Head – HFH Flexible Actuator
203019PF	KM-Ex 3M ‘2NC’ – PF actuator
203019PF-SS	KM-Ex 3M ‘2NC’ SS Head – PF Actuator
203026	KM-Ex 3M ‘2NC 2NO’
203026-SS	KM-Ex 3M ‘2NC 2NO’ SS Head
203026A	KM-Ex 3M ‘2NC 2NO’ – std actuator
203026A-SS	KM-Ex 3M ‘2NC 2NO’ SS Head – Std Actuator
203026F	KM-Ex 3M ‘2NC 2NO’ – flat actuator
203026F-SS	KM-Ex 3M ‘2NC 2NO’ SS Head – flat Actuator
203026HF	KM-Ex 3M ‘2NC 2NO’ – HF Flexible Actuator
203026HF-SS	KM-Ex 3M ‘2NC 2NO’ SS Head – HF Actuator
203026HFH	KM-Ex 3M ‘2NC 2NO’ – HFH Flexible Actuator
203026HFH-SS	KM-Ex 3M ‘2NC 2NO’ SS Head – HFH Flexible Actuator
203026PF	KM-Ex 3M ‘2NC 2NO’ – PF actuator
203026PF-SS	KM-Ex 3M ‘2NC 2NO’ SS Head – PF Actuator

Important Note
Comes with 3m of pre-wired cable (longer available on request).
Actuator sold separately.

Technical Data
Approvals	IECEx, cULus on LS-Ex Internal Contact Block
Technology	Tongue Interlock (Non Locking)
Housing Material	Painted Die-Cast Aluminum
Head Material	Painted Die-Cast Aluminum or 316 Grade Stainless Steel
Actuator Travel/Force for Positive Opening	6mm/12N
Actuator Entry Minimum Radius	175mm Standard 100mm Flexible
Maximum Approach Withdrawal Speed	600mm/s
Enclosure Protection	IP67
Operating Temperature	-25 ... +80 °C
Switching frequency (LS-Ex)	1.0 Hz maximum
Mechanical Life Expectancy (LS-Ex)	1,000,000 switches
Electrical Life Expectancy (LS-Ex)	Tested to 1,000,000 cycles at 24V. 0.2A