Leading Manufacturer of Safety Interlock Switches and Machine Guard Safety Switch Devices for Automation and Process Safety

Tongue Interlock Safety Switch (KM)

KM features a slimline, red painted metal housing, designed to provide reliable position interlock detection for medium to heavy duty guards.

  • Housing/Fixing: Industry standard housing with 30mm fixing holes
  • Material: Diecast painted red (optional stainless-steel head)
  • Contacts: 3 N/C, 2 N/C + 1 N/O, 2 N/C + 2 N/O or 4 N/C
  • Connection: Wired or M12 Quick Connect

NOTE: Replaceable contact blocks.

Product TypePart No.Part Description
KM203001KM M20 2NC 1NO
KM203001-SSKM M20 2NC 1NO SS head
KM203001AKM M20 2NC 1NO – std actuator
KM203001A-SSKM M20 2NC 1NO SS head – std actuator
KM203001FKM M20 ‘1NO – flat actuator
KM203001F-40NKM M20 2NC 1NO 40N holding – flat actuator
KM203001F-SSKM M20 2NC 1NO SS head – flat actuator
KM203001HFKM M20 2NC 1NO – HF actuator
KM203001HF-SSKM M20 2NC 1NO SS head – HF actuator
KM203001HFHKM M20 2NC 1NO – HFH actuator
KM203001HFH-SSKM M20 2NC 1NO SS head – HFH actuator
KM203001PFKM M20 2NC 1NO – PF actuator
KM203001PF-SSKM M20 2NC 1NO SS head – PF actuator
KM203002KM ½NPT 2NC 1NO
KM203002-SSKM ½NPT 2NC 1NO SS head
KM203002AKM ½NPT 2NC 1NO – std actuator
KM203002A-SSKM ½NPT 2NC 1NO SS head – std actuator
KM203002FKM ½NPT 2NC 1NO – flat actuator
KM203002F-SSKM ½NPT 2NC 1NO SS head – flat actuator
KM203002HFKM ½NPT 2NC 1NO – HF actuator
KM203002HF-SSKM ½NPT 2NC 1NO SS head – HF actuator
KM203002HFHKM ½NPT 2NC 1NO – HFH actuator
KM203002HFH-SSKM ½NPT 2NC 1NO SS head – HFH actuator
KM203002PFKM ½NPT 2NC 1NO – PF actuator
KM203002PF-SSKM ½NPT 2NC 1NO SS head – PF actuator
KM203003KM QC M23 12way 2NC 1NO
KM203003-SSKM QC M23 12way 2NC 1NO SS head
KM203003AKM QC M23 12way 2NC 1NO – std actuator
KM203003A-SSKM QC M23 12way 2NC 1NO SS head – std actuator
KM203003FKM QC M23 12way 2NC 1NO – flat actuator
KM203003F-SSKM QC M23 12way 2NC 1NO SS head – flat actuator
KM203003HFKM QC M23 12way 2NC 1NO – HF actuator
KM203003HF-SSKM QC M23 12way 2NC 1NO SS head – HF actuator
KM203003HFHKM QC M23 12way 2NC 1NO – HFH actuator
KM203003HFH-SSKM QC M23 12way 2NC 1NO SS head – HFH actuator
KM203003PFKM QC M23 12way 2NC 1NO – PF actuator
KM203003PF-SSKM QC M23 12way 2NC 1NO SS head – PF actuator
KM203004KM M20 3NC
KM203004-SSKM M20 3NC SS head
KM203004AKM M20 3NC – std actuator
KM203004A-SSKM M20 3NC SS head – std actuator
KM203004FKM M20 3NC – flat actuator
KM203004F-SSKM M20 3NC SS head – flat actuator
KM203004HFKM M20 3NC – HF actuator
KM203004HF-SSKM M20 3NC SS head – HF actuator
KM203004HFHKM M20 3NC – HFH actuator
KM203004HFH-SSKM M20 3NC SS head – HFH actuator
KM203004PFKM M20 3NC – PF actuator
KM203004PF-SSKM M20 3NC SS head – PF actuator
KM203005KM ½NPT 3NC
KM203005-SSKM ½NPT 3NC SS head
KM203005AKM ½NPT 3NC – std actuator
KM203005A-SSKM ½NPT 3NC SS head – std actuator
KM203005FKM ½NPT 3NC – flat actuator
KM203005F-SSKM ½NPT 3NC SS head – flat actuator
KM203005HFKM ½NPT 3NC – HF actuator
KM203005HF-SSKM ½NPT 3NC SS head – HF actuator
KM203005HFHKM ½NPT 3NC – HFH actuator
KM203005HFH-SSKM ½NPT 3NC SS head – HFH actuator
KM203005PFKM ½NPT 3NC – PF actuator
KM203005PF-SSKM ½NPT 3NC SS head – PF actuator
KM203006KM QC M23 12way 3NC
KM203006-SSKM QC M23 12way 3NC SS head
KM203006AKM QC M23 12way 3NC – std actuator
KM203006A-SSKM QC M23 12way 3NC SS head – std actuator
KM203006FKM QC M23 12way 3NC – flat actuator
KM203006F-SSKM QC M23 12way 3NC SS head – flat actuator
KM203006HFKM QC M23 12way 3NC – HF actuator
KM203006HF-SSKM QC M23 12way 3NC SS head – HF actuator
KM203006HFHKM QC M23 12way 3NC – HFH actuator
KM203006HFH-SSKM QC M23 12way 3NC SS head – HFH actuator
KM203006PFKM QC M23 12way 3NC – PF actuator
KM203006PF-SSKM QC M23 12way 3NC SS head – PF actuator
KM203007KM M20 3NC 1NO
KM203007-SSKM M20 3NC 1NO SS head
KM203007AKM M20 3NC 1NO – std actuator
KM203007A-SSKM M20 3NC 1NO SS head – std actuator
KM203007FKM M20 3NC 1NO – flat actuator
KM203007F-SSKM M20 3NC 1NO SS head – flat actuator
KM203007HFKM M20 3NC 1NO – HF actuator
KM203007HF-SSKM M20 3NC 1NO SS head – HF actuator
KM203007HFHKM M20 3NC 1NO – HFH actuator
KM203007HFH-SSKM M20 3NC 1NO SS head – HFH actuator
KM203007PFKM M20 3NC 1NO – PF actuator
KM203007PF-SSKM M20 3NC 1NO SS head – PF actuator
KM203008KM ½NPT 3NC 1NO
KM203008-SSKM ½NPT 3NC 1NO SS head
KM203008AKM ½NPT 3NC 1NO – std actuator
KM203008A-SSKM ½NPT 3NC 1NO SS head – std actuator
KM203008FKM ½NPT 3NC 1NO – flat actuator
KM203008F-SSKM ½NPT 3NC 1NO SS head – flat actuator
KM203008HFKM ½NPT 3NC 1NO – HF actuator
KM203008HF-SSKM ½NPT 3NC 1NO SS head – HF actuator
KM203008HFHKM ½NPT 3NC 1NO – HFH actuator
KM203008HFH-SSKM ½NPT 3NC 1NO SS head – HFH actuator
KM203008PFKM ½NPT 3NC 1NO – PF actuator
KM203008PF-SSKM ½NPT 3NC 1NO SS head – PF actuator
KM203009KM QC M23 12way 3NC 1NO
KM203009-SSKM QC M23 12way 3NC 1NO SS Head
KM203009AKM QC M23 12way 3NC 1NO – std actuator
KM203009A-SSKM QC M23 12way 3NC 1NO SS Head – std actuator
KM203009FKM QC M23 12way 3NC 1NO – flat actuator
KM203009F-SSKM QC M23 12way 3NC 1NO SS Head – flat actuator
KM203009HFKM QC M23 12way 3NC 1NO – HF actuator
KM203009HF-SSKM QC M23 12way 3NC 1NO SS Head – HF actuator
KM203009HFHKM QC M23 12way 3NC 1NO – HFH actuator
KM203009HFH-SSKM QC M23 12way 3NC 1NO SS Head – HFH actuator
KM203009PFKM QC M23 12way 3NC 1NO – PF actuator
KM203009PF-SSKM QC M23 12way 3NC 1NO SS Head – PF actuator
KM203010KM M20 2NC 2NO
KM203010-SSKM M20 2NC 2NO SS head
KM203010AKM M20 2NC 2NO – std actuator
KM203010A-SSKM M20 2NC 2NO SS head – std actuator
KM203010FKM M20 2NC 2NO – flat actuator
KM203010F-SSKM M20 2NC 2NO SS head – flat actuator
KM203010HFKM M20 2NC 2NO – HF actuator
KM203010HF-SSKM M20 2NC 2NO SS head – HF actuator
KM203010HFHKM M20 2NC 2NO – HFH actuator
KM203010HFH-SSKM M20 2NC 2NO SS head – HFH actuator
KM203010PFKM M20 2NC 2NO – PF actuator
KM203010PF-SSKM M20 2NC 2NO SS head – PF actuator
KM203011KM ½NPT 2NC 2NO
KM203011-SSKM ½NPT 2NC 2NO SS Head
KM203011AKM ½NPT 2NC 2NO – std actuator
KM203011A-SSKM ½NPT 2NC 2NO SS Head – std actuator
KM203011FKM ½NPT 2NC 2NO – flat actuator
KM203011F-SSKM ½NPT 2NC 2NO SS Head – flat actuator
KM203011HFKM ½NPT 2NC 2NO – HF actuator
KM203011HF-SSKM ½NPT 2NC 2NO SS Head – HF actuator
KM203011HFHKM ½NPT 2NC 2NO – HFH actuator
KM203011HFH-SSKM ½NPT 2NC 2NO SS Head – HFH actuator
KM203011PFKM ½NPT 2NC 2NO – PF actuator
KM203011PF-SSKM ½NPT 2NC 2NO SS Head – PF actuator
KM203012KM QC M23 12way 2NC 2NO
KM203012-SSKM QC M23 12way 2NC 2NO SS head
KM203012AKM QC M23 12way 2NC 2NO – std actuator
KM203012A-SSKM QC M23 12way 2NC 2NO SS head – std actuator
KM203012FKM QC M23 12way 2NC 2NO – flat actuator
KM203012F-SSKM QC M23 12way 2NC 2NO SS head – flat actuator
KM203012HFKM QC M23 12way 2NC 2NO – HF actuator
KM203012HF-SSKM QC M23 12way 2NC 2NO SS head – HF actuator
KM203012HFHKM QC M23 12way 2NC 2NO – HFH actuator
KM203012HFH-SSKM QC M23 12way 2NC 2NO SS head – HFH actuator
KM203012PFKM QC M23 12way 2NC 2NO – PF actuator
KM203012PF-SSKM QC M23 12way 2NC 2NO SS head – PF actuator
KM203013KM M20 4NC
KM203013-SSKM M20 4NC SS Head
KM203013AKM M20 4NC – std actuator
KM203013A-SSKM M20 4NC SS head – std actuator
KM203013FKM M20 4NC – flat actuator
KM203013F-SSKM M20 4NC SS head – flat actuator
KM203013HFKM M20 4NC – HF actuator
KM203013HF-SSKM M20 4NC SS Head – HF Actuator
KM203013HFHKM M20 4NC – HFH actuator
KM203013HFH-SSKM M20 4NC SS Head – HFH Actuator
KM203013PFKM M20 4NC – PF actuator
KM203013PF-SSKM M20 4NC SS Head – PF actuator
KM203014KM ½NPT 4NC
KM203014-SSKM ½NPT 4NC SS head
KM203014AKM ½NPT 4NC – std actuator
KM203014A-SSKM ½NPT 4NC SS head – std actuator
KM203014FKM ½NPT 4NC – flat actuator
KM203014F-SSKM ½NPT 4NC SS head – flat actuator
KM203014HFKM ½NPT 4NC – HF actuator
KM203014HF-SSKM ½NPT 4NC SS head – HF actuator
KM203014HFHKM ½NPT 4NC – HFH actuator
KM203014HFH-SSKM ½NPT 4NC SS head – HFH actuator
KM203014PFKM ½NPT 4NC – PF actuator
KM203014PF-SSKM ½NPT 4NC SS head – PF actuator
KM203015KM QC M23 12way 4NC
KM203015-SSKM QC M23 12way 4NC SS head
KM203015AKM QC M23 12way 4NC- std actuator
KM203015A-SSKM QC M23 12way 4NC SS head – std actuator
KM203015FKM QC M23 12way 4NC – flat actuator
KM203015F-SSKM QC M23 12way 4NC SS head – flat actuator
KM203015HFKM QC M23 12way 4NC – HF actuator
KM203015HF-SSKM QC M23 12way 4NC SS head – HF actuator
KM203015HFHKM QC M23 12way 4NC – HFH actuator
KM203015HFH-SSKM QC M23 12way 4NC SS head – HFH actuator
KM203015PFKM QC M23 12way 4NC – PF actuator
KM203015PF-SSKM QC M23 12way 4NC SS head – PF actuator
KM203021KM QC M12 8way 2NC 1NO
KM203021-SSKM QC M12 8way 2NC 1NO  SS head
KM203021AKM QC M12 8way 2NC 1NO – std actuator
KM203021A-SSKM QC M12 8way 2NC 1NO SS head – std actuator
KM203021FKM QC M12 8way 2NC 1NO – flat actuator
KM203021F-SSKM QC M12 8way 2NC 1NO SS head – flat actuator
KM203021HFKM QC M12 8way 2NC 1NO – HF actuator
KM203021HF-SSKM QC M12 8way 2NC 1NO SS head – HF actuator
KM203021HFHKM QC M12 8way 2NC 1NO – HFH actuator
KM203021HFH-SSKM QC M12 8way 2NC 1NO SS head – HFH actuator
KM203021PFKM QC M12 8way 2NC 1NO – PF actuator
KM203021PF-SSKM QC M12 8way 2NC 1NO SS head – PF actuator
KM203022KM QC M12 8way 3NC
KM203022-SSKM QC M12 8way 3NC SS head
KM203022AKM QC M12 8way 3NC – std actuator
KM203022A-SSKM QC M12 8way 3NC SS head – std actuator
KM203022FKM QC M12 8way 3NC – flat actuator
KM203022F-SSKM QC M12 8way 3NC SS head – flat actuator
KM203022HFKM QC M12 8way 3NC – HF actuator
KM203022HF-SSKM QC M12 8way 3NC SS head – HF actuator
KM203022HFHKM QC M12 8way 3NC – HFH actuator
KM203022HFH-SSKM QC M12 8way 3NC SS head – HFH actuator
KM203022PFKM QC M12 8way 3NC – PF actuator
KM203022PF-SSKM QC M12 8way 3NC SS head – PF actuator

Technical Data
CertificatescULus
TechnologyTongue Interlock (Non Locking)
Housing MaterialPainted Die-Cast
Head MaterialPainted Die-Cast or 316 Stainless Steel
Contact Configuration4NC, 3 NC + 1 NO, 2NC + 2NO or 2 NC + 1 NO
Thermal Current (lth)10A
Rated Insulation/Withstand Voltages600VAC/2500VAC
Actuator Travel/Force for Positive Opening6mm/12N
Actuator Entry Minimum Radius175mm Standard 100mm Flexible
Maximum Approach Withdrawal Speed600mm/s
Enclosure ProtectionIP67
Operating Temperature-25 ... +80 °C
VibrationIEC 68-2-6 10-55Hz+1Hz Excursion: 0.35mm, 1 octave/min
Conduit EntryM20 or 1/2" NPT
Fixing2 x M4

Information with regard to UL Standards
EnclosureType 1
Electrical RatingPilot Duty A300 240V.ac 3A. 6,000 cycles
Maximum ambient temperature+80 °C
Use 16 - 12AWG stranded copper insulated conductors rated 90ºC minimum. (75C. ampacity)
Terminal tightening torque 7ibs ins (0.8Nm)
Intended for same polarity use and one polymeric conduit connection
Not suitable for connection to a rigid metal conduit system
(Earth bonding terminal inside enclosure if required – use 16-12AWG conductors)