KLM-RR QC-M23 Guard Locking Safety Switch with Rear Release and M23 Quick Connect

The KLM-RR-QC-M23 (SAMLOCK) guard locking safety interlock features a slimline metal body and a holding force of up to 3000N to keep small to large guard doors closed until hazards have been removed. A non-latching manual escape release is provided to enable quick release of the switch lock in case of emergency. The integrated M23 connector reduces installation time, minimizes wiring errors, and makes maintenance or replacement faster and more reliable.


  • Manufactured from die-cast metal
  • Holding Force up to F1Max 3000N (300Kg)
  • Functions as a power-to-unlock device
  • Rotating head for up to 8 entry positions
  • Ingress Protection up to IP67
  • Connectivity via Quick Connect M23 12-PIN Male
Part Number Part Description Voltage Connection Type Auxiliary Override Actuator
212003 KLM-RR QC-M23 24V (std release) 24V QC-M23 Lid and Side No Actuator
212003A KLM-RR QC-M23 24V (std release) – std actuator 24V QC-M23 Lid and Side A – Standard Actuator
212003F KLM-RR QC-M23 24V (std release) – flat actuator 24V QC-M23 Lid and Side F – Flat Actuator
212003HF KLM-RR QC-M23 24V (std release) – HF actuator 24V QC-M23 Lid and Side HF – Metal Flexible Actuator
212003HFH KLM-RR QC-M23 24V (std release) – HFH actuator 24V QC-M23 Lid and Side HFH – Stainless Steel Flexible Actuator
212303 KLM-RR QC-M23 24V (no release) 24V QC-M23 No Release No Actuator
212303A KLM-RR QC-M23 24V (no release) – std actuator 24V QC-M23 No Release A – Standard Actuator
212303F KLM-RR QC-M23 24V (no release) – flat actuator 24V QC-M23 No Release F – Flat Actuator
212303HF KLM-RR QC-M23 24V (no release) – HF actuator 24V QC-M23 No Release HF – Metal Flexible Actuator
212303HFH KLM-RR QC-M23 24V (no release) – HFH actuator 24V QC-M23 No Release HFH – Stainless Steel Flexible Actuator
212403 KLM-RR QC-M23 24V (lid release) 24V QC-M23 Lid Only No Actuator
212403A KLM-RR QC-M23 24V (lid release) – std actuator 24V QC-M23 Lid Only A – Standard Actuator
212403F KLM-RR QC-M23 24V (lid release) – flat actuator 24V QC-M23 Lid Only F – Flat Actuator
212403HF KLM-RR QC-M23 24V (lid release) – HF actuator 24V QC-M23 Lid Only HF – Metal Flexible Actuator
212403HFH KLM-RR QC-M23 24V (lid release) – HFH actuator 24V QC-M23 Lid Only HFH – Stainless Steel Flexible Actuator
212006 KLM-RR QC-M23 110V (std release) 110V QC-M23 Lid and Side No Actuator
212006A KLM-RR QC-M23 110V (std release) – std actuator 110V QC-M23 Lid and Side A – Standard Actuator
212006F KLM-RR QC-M23 110V (std release) – flat actuator 110V QC-M23 Lid and Side F – Flat Actuator
212006HF KLM-RR QC-M23 110V (std release) – HF actuator 110V QC-M23 Lid and Side HF – Metal Flexible Actuator
212006HFH KLM-RR QC-M23 110V (std release) – HFH actuator 110V QC-M23 Lid and Side HFH – Stainless Steel Flexible Actuator
212306 KLM-RR QC-M23 110V (no release) 110V QC-M23 No Release No Actuator
212306A KLM-RR QC-M23 110V (no release) – std actuator 110V QC-M23 No Release A – Standard Actuator
212306F KLM-RR QC-M23 110V (no release) – flat actuator 110V QC-M23 No Release F – Flat Actuator
212306HF KLM-RR QC-M23 110V (no release) – HF actuator 110V QC-M23 No Release HF – Metal Flexible Actuator
212306HFH KLM-RR QC-M23 110V (no release) – HFH actuator 110V QC-M23 No Release HFH – Stainless Steel Flexible Actuator
212406 KLM-RR QC-M23 110V (lid release) 110V QC-M23 Lid Only No Actuator
212406A KLM-RR QC-M23 110V (lid release) – std actuator 110V QC-M23 Lid Only A – Standard Actuator
212406F KLM-RR QC-M23 110V (lid release) – flat actuator 110V QC-M23 Lid Only F – Flat Actuator
212406HF KLM-RR QC-M23 110V (lid release) – HF actuator 110V QC-M23 Lid Only HF – Metal Flexible Actuator
212406HFH KLM-RR QC-M23 110V (lid release) – HFH actuator 110V QC-M23 Lid Only HFH – Stainless Steel Flexible Actuator
212009 KLM-RR QC-M23 230V (std release) 230V QC-M23 Lid and Side No Actuator
212009A KLM-RR QC-M23 230V (std release) – std actuator 230V QC-M23 Lid and Side A – Standard Actuator
212009F KLM-RR QC-M23 230V (std release) – flat actuator 230V QC-M23 Lid and Side F – Flat Actuator
212009HF KLM-RR QC-M23 230V (std release) – HF actuator 230V QC-M23 Lid and Side HF – Metal Flexible Actuator
212009HFH KLM-RR QC-M23 230V (std release) – HFH actuator 230V QC-M23 Lid and Side HFH – Stainless Steel Flexible Actuator
212309 KLM-RR QC-M23 230V (no release) 230V QC-M23 No Release No Actuator
212309A KLM-RR QC-M23 230V (no release) – std actuator 230V QC-M23 No Release A – Standard Actuator
212309F KLM-RR QC-M23 230V (no release) – flat actuator 230V QC-M23 No Release F – Flat Actuator
212309HF KLM-RR QC-M23 230V (no release) – HF actuator 230V QC-M23 No Release HF – Metal Flexible Actuator
212309HFH KLM-RR QC-M23 230V (no release) – HFH actuator 230V QC-M23 No Release HFH – Stainless Steel Flexible Actuator
212409 KLM-RR QC-M23 230V (lid release) 230V QC-M23 Lid Only No Actuator
212409A KLM-RR QC-M23 230V (lid release) – std actuator 230V QC-M23 Lid Only A – Standard Actuator
212409F KLM-RR QC-M23 230V (lid release) – flat actuator 230V QC-M23 Lid Only F – Flat Actuator
212409HF KLM-RR QC-M23 230V (lid release) – HF actuator 230V QC-M23 Lid Only HF – Metal Flexible Actuator
212409HFH KLM-RR QC-M23 230V (lid release) – HFH actuator 230V QC-M23 Lid Only HFH – Stainless Steel Flexible Actuator

Technical Data
CertificatescULus
TechnologyPower to Unlock
Housing MaterialRed Painted Die-Cast
Solenoid Voltage (by part number)24V ac/dc or 110V. ac or 230V. ac +/- 10% (12W.)
LED 2 Supply Voltage24V dc +/- 10%
Safety Contacts 11/12 21/22Utilization Category AC15 A300 3A. Thermal Current (Ith) 5A
Overload protection fuse (fuse externally)10A. (FF).
Auxiliary Contact 33/34 (selectable with LED2)24V.ac/dc 0.5A. maximum
Auxiliary Contact 43/44230V.ac/dc 0.5A. maximum
Rated Insulation Voltage 600VAC
Rated Impulse Withstand Volt2500VAC
Travel for Positive Opening10mm
Approach Speed200mm/m. to 1000mm/s.
Man. Actuation Frequency 2 cycle/sec
Actuator entry minimum radius175mm Standard 100mm Flexible
Enclosure ProtectionIP67
Operating Temperature -25 ... +40 °C
Holding ForceF1Max: 3000N. Fzh: 2307N.
VibrationIEC 68-2-6, 10-55Hz+1Hz, Excursion: 0.35mm, 1 octave/min
ConnectivityQuick Connect M23 12-PIN Male
Fixing4 x M5

Information with regard to UL Standards
EnclosureType 1
Maximum temperature+40 °C
Terminal Torquee 6 lb ins. (0.7Nm)
Use 16-28AWG stranded copper conductors (rated 90°C)
Intended for same polarity use. A300 Pilot Duty. 240V. 3A
PF 0.38 or greater, tested for 6,000 cycles endurance
Use one polymeric conduit connection
Not suitable for connection to rigid metal conduit
(Earth bonding terminal inside enclosure if required)

KLM-RR Rear Escape Release
Where the Risk Assessment for the application permits, a non latching manual escape release version (KLM-RR) enables quick release of the switch lock in case of emergency. The switch can be mounted such that access to the release button is available from inside the active guard area. Pressing and holding the release button will release the lock mechanism and open the lock monitoring contacts, whilst the guard can be pushed open. Measures should be taken to reduce the risk of improper activation.