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

Tongue Interlock Safety Switch (KM)
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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 Type Part No. Part Description
KM 203001 KM M20 2NC 1NO
KM 203001-SS KM M20 2NC 1NO SS head
KM 203001A KM M20 2NC 1NO – std actuator
KM 203001A-SS KM M20 2NC 1NO SS head – std actuator
KM 203001F KM M20 2NC 1NO – flat actuator
KM 203001F-40N KM M20 2NC 1NO 40N holding – flat actuator
KM 203001F-SS KM M20 2NC 1NO SS head – flat actuator
KM 203001HF KM M20 2NC 1NO – HF actuator
KM 203001HF-SS KM M20 2NC 1NO SS head – HF actuator
KM 203001HFH KM M20 2NC 1NO – HFH actuator
KM 203001HFH-SS KM M20 2NC 1NO SS head – HFH actuator
KM 203001PF KM M20 2NC 1NO – PF actuator
KM 203001PF-SS KM M20 2NC 1NO SS head – PF actuator
KM 203002 KM ½NPT 2NC 1NO
KM 203002-SS KM ½NPT 2NC 1NO SS head
KM 203002A KM ½NPT 2NC 1NO – std actuator
KM 203002A-SS KM ½NPT 2NC 1NO SS head – std actuator
KM 203002F KM ½NPT 2NC 1NO – flat actuator
KM 203002F-SS KM ½NPT 2NC 1NO SS head – flat actuator
KM 203002HF KM ½NPT 2NC 1NO – HF actuator
KM 203002HF-SS KM ½NPT 2NC 1NO SS head – HF actuator
KM 203002HFH KM ½NPT 2NC 1NO – HFH actuator
KM 203002HFH-SS KM ½NPT 2NC 1NO SS head – HFH actuator
KM 203002PF KM ½NPT 2NC 1NO – PF actuator
KM 203002PF-SS KM ½NPT 2NC 1NO SS head – PF actuator
KM 203003 KM QC M23 12way 2NC 1NO
KM 203003-SS KM QC M23 12way 2NC 1NO SS head
KM 203003A KM QC M23 12way 2NC 1NO – std actuator
KM 203003A-SS KM QC M23 12way 2NC 1NO SS head – std actuator
KM 203003F KM QC M23 12way 2NC 1NO – flat actuator
KM 203003F-SS KM QC M23 12way 2NC 1NO SS head – flat actuator
KM 203003HF KM QC M23 12way 2NC 1NO – HF actuator
KM 203003HF-SS KM QC M23 12way 2NC 1NO SS head – HF actuator
KM 203003HFH KM QC M23 12way 2NC 1NO – HFH actuator
KM 203003HFH-SS KM QC M23 12way 2NC 1NO SS head – HFH actuator
KM 203003PF KM QC M23 12way 2NC 1NO – PF actuator
KM 203003PF-SS KM QC M23 12way 2NC 1NO SS head – PF actuator
KM 203004 KM M20 3NC
KM 203004-SS KM M20 3NC SS head
KM 203004A KM M20 3NC – std actuator
KM 203004A-SS KM M20 3NC SS head – std actuator
KM 203004F KM M20 3NC – flat actuator
KM 203004F-SS KM M20 3NC SS head – flat actuator
KM 203004HF KM M20 3NC – HF actuator
KM 203004HF-SS KM M20 3NC SS head – HF actuator
KM 203004HFH KM M20 3NC – HFH actuator
KM 203004HFH-SS KM M20 3NC SS head – HFH actuator
KM 203004PF KM M20 3NC – PF actuator
KM 203004PF-SS KM M20 3NC SS head – PF actuator
KM 203005 KM ½NPT 3NC
KM 203005-SS KM ½NPT 3NC SS head
KM 203005A KM ½NPT 3NC – std actuator
KM 203005A-SS KM ½NPT 3NC SS head – std actuator
KM 203005F KM ½NPT 3NC – flat actuator
KM 203005F-SS KM ½NPT 3NC SS head – flat actuator
KM 203005HF KM ½NPT 3NC – HF actuator
KM 203005HF-SS KM ½NPT 3NC SS head – HF actuator
KM 203005HFH KM ½NPT 3NC – HFH actuator
KM 203005HFH-SS KM ½NPT 3NC SS head – HFH actuator
KM 203005PF KM ½NPT 3NC – PF actuator
KM 203005PF-SS KM ½NPT 3NC SS head – PF actuator
KM 203006 KM QC M23 12way 3NC
KM 203006-SS KM QC M23 12way 3NC SS head
KM 203006A KM QC M23 12way 3NC – std actuator
KM 203006A-SS KM QC M23 12way 3NC SS head – std actuator
KM 203006F KM QC M23 12way 3NC – flat actuator
KM 203006F-SS KM QC M23 12way 3NC SS head – flat actuator
KM 203006HF KM QC M23 12way 3NC – HF actuator
KM 203006HF-SS KM QC M23 12way 3NC SS head – HF actuator
KM 203006HFH KM QC M23 12way 3NC – HFH actuator
KM 203006HFH-SS KM QC M23 12way 3NC SS head – HFH actuator
KM 203006PF KM QC M23 12way 3NC – PF actuator
KM 203006PF-SS KM QC M23 12way 3NC SS head – PF actuator
KM 203007 KM M20 3NC 1NO
KM 203007-SS KM M20 3NC 1NO SS head
KM 203007A KM M20 3NC 1NO – std actuator
KM 203007A-SS KM M20 3NC 1NO SS head – std actuator
KM 203007F KM M20 3NC 1NO – flat actuator
KM 203007F-SS KM M20 3NC 1NO SS head – flat actuator
KM 203007HF KM M20 3NC 1NO – HF actuator
KM 203007HF-SS KM M20 3NC 1NO SS head – HF actuator
KM 203007HFH KM M20 3NC 1NO – HFH actuator
KM 203007HFH-SS KM M20 3NC 1NO SS head – HFH actuator
KM 203007PF KM M20 3NC 1NO – PF actuator
KM 203007PF-SS KM M20 3NC 1NO SS head – PF actuator
KM 203008 KM ½NPT 3NC 1NO
KM 203008-SS KM ½NPT 3NC 1NO SS head
KM 203008A KM ½NPT 3NC 1NO – std actuator
KM 203008A-SS KM ½NPT 3NC 1NO SS head – std actuator
KM 203008F KM ½NPT 3NC 1NO – flat actuator
KM 203008F-SS KM ½NPT 3NC 1NO SS head – flat actuator
KM 203008HF KM ½NPT 3NC 1NO – HF actuator
KM 203008HF-SS KM ½NPT 3NC 1NO SS head – HF actuator
KM 203008HFH KM ½NPT 3NC 1NO – HFH actuator
KM 203008HFH-SS KM ½NPT 3NC 1NO SS head – HFH actuator
KM 203008PF KM ½NPT 3NC 1NO – PF actuator
KM 203008PF-SS KM ½NPT 3NC 1NO SS head – PF actuator
KM 203009 KM QC M23 12way 3NC 1NO
KM 203009-SS KM QC M23 12way 3NC 1NO SS Head
KM 203009A KM QC M23 12way 3NC 1NO – std actuator
KM 203009A-SS KM QC M23 12way 3NC 1NO SS Head – std actuator
KM 203009F KM QC M23 12way 3NC 1NO – flat actuator
KM 203009F-SS KM QC M23 12way 3NC 1NO SS Head – flat actuator
KM 203009HF KM QC M23 12way 3NC 1NO – HF actuator
KM 203009HF-SS KM QC M23 12way 3NC 1NO SS Head – HF actuator
KM 203009HFH KM QC M23 12way 3NC 1NO – HFH actuator
KM 203009HFH-SS KM QC M23 12way 3NC 1NO SS Head – HFH actuator
KM 203009PF KM QC M23 12way 3NC 1NO – PF actuator
KM 203009PF-SS KM QC M23 12way 3NC 1NO SS Head – PF actuator
KM 203010 KM M20 2NC 2NO
KM 203010-SS KM M20 2NC 2NO SS head
KM 203010A KM M20 2NC 2NO – std actuator
KM 203010A-SS KM M20 2NC 2NO SS head – std actuator
KM 203010F KM M20 2NC 2NO – flat actuator
KM 203010F-SS KM M20 2NC 2NO SS head – flat actuator
KM 203010HF KM M20 2NC 2NO – HF actuator
KM 203010HF-SS KM M20 2NC 2NO SS head – HF actuator
KM 203010HFH KM M20 2NC 2NO – HFH actuator
KM 203010HFH-SS KM M20 2NC 2NO SS head – HFH actuator
KM 203010PF KM M20 2NC 2NO – PF actuator
KM 203010PF-SS KM M20 2NC 2NO SS head – PF actuator
KM 203011 KM ½NPT 2NC 2NO
KM 203011-SS KM ½NPT 2NC 2NO SS Head
KM 203011A KM ½NPT 2NC 2NO – std actuator
KM 203011A-SS KM ½NPT 2NC 2NO SS Head – std actuator
KM 203011F KM ½NPT 2NC 2NO – flat actuator
KM 203011F-SS KM ½NPT 2NC 2NO SS Head – flat actuator
KM 203011HF KM ½NPT 2NC 2NO – HF actuator
KM 203011HF-SS KM ½NPT 2NC 2NO SS Head – HF actuator
KM 203011HFH KM ½NPT 2NC 2NO – HFH actuator
KM 203011HFH-SS KM ½NPT 2NC 2NO SS Head – HFH actuator
KM 203011PF KM ½NPT 2NC 2NO – PF actuator
KM 203011PF-SS KM ½NPT 2NC 2NO SS Head – PF actuator
KM 203012 KM QC M23 12way 2NC 2NO
KM 203012-SS KM QC M23 12way 2NC 2NO SS head
KM 203012A KM QC M23 12way 2NC 2NO – std actuator
KM 203012A-SS KM QC M23 12way 2NC 2NO SS head – std actuator
KM 203012F KM QC M23 12way 2NC 2NO – flat actuator
KM 203012F-SS KM QC M23 12way 2NC 2NO SS head – flat actuator
KM 203012HF KM QC M23 12way 2NC 2NO – HF actuator
KM 203012HF-SS KM QC M23 12way 2NC 2NO SS head – HF actuator
KM 203012HFH KM QC M23 12way 2NC 2NO – HFH actuator
KM 203012HFH-SS KM QC M23 12way 2NC 2NO SS head – HFH actuator
KM 203012PF KM QC M23 12way 2NC 2NO – PF actuator
KM 203012PF-SS KM QC M23 12way 2NC 2NO SS head – PF actuator
KM 203013 KM M20 4NC
KM 203013-SS KM M20 4NC SS Head
KM 203013A KM M20 4NC – std actuator
KM 203013A-SS KM M20 4NC SS head – std actuator
KM 203013F KM M20 4NC – flat actuator
KM 203013F-SS KM M20 4NC SS head – flat actuator
KM 203013HF KM M20 4NC – HF actuator
KM 203013HF-SS KM M20 4NC SS Head – HF Actuator
KM 203013HFH KM M20 4NC – HFH actuator
KM 203013HFH-SS KM M20 4NC SS Head – HFH Actuator
KM 203013PF KM M20 4NC – PF actuator
KM 203013PF-SS KM M20 4NC SS Head – PF actuator
KM 203014 KM ½NPT 4NC
KM 203014-SS KM ½NPT 4NC SS head
KM 203014A KM ½NPT 4NC – std actuator
KM 203014A-SS KM ½NPT 4NC SS head – std actuator
KM 203014F KM ½NPT 4NC – flat actuator
KM 203014F-SS KM ½NPT 4NC SS head – flat actuator
KM 203014HF KM ½NPT 4NC – HF actuator
KM 203014HF-SS KM ½NPT 4NC SS head – HF actuator
KM 203014HFH KM ½NPT 4NC – HFH actuator
KM 203014HFH-SS KM ½NPT 4NC SS head – HFH actuator
KM 203014PF KM ½NPT 4NC – PF actuator
KM 203014PF-SS KM ½NPT 4NC SS head – PF actuator
KM 203015 KM QC M23 12way 4NC
KM 203015-SS KM QC M23 12way 4NC SS head
KM 203015A KM QC M23 12way 4NC- std actuator
KM 203015A-SS KM QC M23 12way 4NC SS head – std actuator
KM 203015F KM QC M23 12way 4NC – flat actuator
KM 203015F-SS KM QC M23 12way 4NC SS head – flat actuator
KM 203015HF KM QC M23 12way 4NC – HF actuator
KM 203015HF-SS KM QC M23 12way 4NC SS head – HF actuator
KM 203015HFH KM QC M23 12way 4NC – HFH actuator
KM 203015HFH-SS KM QC M23 12way 4NC SS head – HFH actuator
KM 203015PF KM QC M23 12way 4NC – PF actuator
KM 203015PF-SS KM QC M23 12way 4NC SS head – PF actuator
KM 203021 KM QC M12 8way 2NC 1NO
KM 203021-SS KM QC M12 8way 2NC 1NO  SS head
KM 203021A KM QC M12 8way 2NC 1NO – std actuator
KM 203021A-SS KM QC M12 8way 2NC 1NO SS head – std actuator
KM 203021F KM QC M12 8way 2NC 1NO – flat actuator
KM 203021F-SS KM QC M12 8way 2NC 1NO SS head – flat actuator
KM 203021HF KM QC M12 8way 2NC 1NO – HF actuator
KM 203021HF-SS KM QC M12 8way 2NC 1NO SS head – HF actuator
KM 203021HFH KM QC M12 8way 2NC 1NO – HFH actuator
KM 203021HFH-SS KM QC M12 8way 2NC 1NO SS head – HFH actuator
KM 203021PF KM QC M12 8way 2NC 1NO – PF actuator
KM 203021PF-SS KM QC M12 8way 2NC 1NO SS head – PF actuator
KM 203022 KM QC M12 8way 3NC
KM 203022-SS KM QC M12 8way 3NC SS head
KM 203022A KM QC M12 8way 3NC – std actuator
KM 203022A-SS KM QC M12 8way 3NC SS head – std actuator
KM 203022F KM QC M12 8way 3NC – flat actuator
KM 203022F-SS KM QC M12 8way 3NC SS head – flat actuator
KM 203022HF KM QC M12 8way 3NC – HF actuator
KM 203022HF-SS KM QC M12 8way 3NC SS head – HF actuator
KM 203022HFH KM QC M12 8way 3NC – HFH actuator
KM 203022HFH-SS KM QC M12 8way 3NC SS head – HFH actuator
KM 203022PF KM QC M12 8way 3NC – PF actuator
KM 203022PF-SS KM 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)

Data Sheet
KM STP 3D Model
KM (SS HEAD) STP 3D Model

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