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

Guard Locking RFID Safety Switch with OSSD up to 2000N (KLP-Z)

The KLP-Z guard locking RFID safety interlock with OSSD outputs features a slimline body profile for 50mm frames to enable easy retrofitting to new or existing guards. The robust design allows for a holding force of up to 2000N to keep medium to large guard doors closed until the hazard/s have been removed.

  • Body Material: Red Polyester
  • Head Material: 316 Stainless Steel
  • Ingress Protection: IP67
  • RFID Coding: Unique RFID Coding: (M) can be retaught (U) cannot be retaught
  • Safety Configuration: 2 OSSD Outputs and 2 Auxiliary Outputs
  • Holding Force: F1Max 2000N (200Kg)
  • Connection: 1 x M20 or ½” NPT (Quick Connect is Available)


Part No.Part Description
455001AZKLP-Z M20 (manual release lid and side) – Std Actuator
455001HFZKLP-Z M20 (manual release lid and side) – Heavy Duty Actuator
455002AZKLP-Z ½NPT (manual release lid and side) – Std Actuator
455002HFZKLP-Z ½NPT (manual release lid and side) – Heavy Duty Actuator
455003AZKLP-Z QC-M12 (manual release lid and side) – Std Actuator
455003HFZKLP-Z QC-M12 (manual release lid and side) – Heavy Duty Actuator
455301AZKLP-Z M20 (no release) – Std Actuator
455301HFZKLP-Z M20 (no release) – Heavy Duty Actuator
455302AZKLP-Z ½NPT (no release) – Std Actuator
455302HFZKLP-Z ½NPT (no release) – Heavy Duty Actuator
455303AZKLP-Z QC-M12 (no release) – Std Actuator
455303HFZKLP-Z QC-M12 (no release) – Heavy Duty Actuator
455401AZKLP-Z M20 (lid only release) – Std Actuator
455401HFZKLP-Z M20 (lid only release) – Heavy Duty Actuator
455402AZKLP-Z ½NPT (lid only release) – Std Actuator
455402HFZKLP-Z ½NPT (lid only release) – Heavy Duty Actuator
455403AZKLP-Z QC-M12 (lid only release) – Std Actuator
455403HFZKLP-Z QC-M12 (lid only release) – Heavy Duty Actuator

Technical Data
ApprovalsTUV, cULus
Classification and Coding Level according to EN ISO 14119Type 4, High
TechnologyRFID, Power to Unlock
Housing MaterialRed Polyester
Head Material316 Grade Stainless Steel
Supply Voltage24Vdc (+/- 10%) SELV/PELV or Class 2
Power ConsumptionR+ (50mA Max.) / S+ (500mA Max.) (Solenoid)
Safety Circuits2 OSSD PNP Outputs (24Vdc 200mA max. switching)
Auxiliary Circuits (34 & 44)24Vdc 200mA max. Output feed
Rated Insulation Voltage500VAC
Rated Impulse withstand1000VAC
Holding Force (ISO14119)F1Max 2000N Fzh 1538N
Actuator insertion for locking5mm
Sao / Sar (RFID)15mm / 25mm
Operating Frequency1Hz
Actuator entry minimum radius175mm
Enclosure ProtectionIP67
Operating Temperature-25 ... +40 °C
Mechanical Life Expectancy (B10d)2.5 x 10 6 cycles at 100mA load
VibrationIEC68-2-6, 10-55Hz+1Hz Excursion: 0.35mm, 1 octave/min

Characteristic data according to IEC62061 (used as a subsystem)
Safety Integrity LevelSIL 3
PFH (1/h)1.0 E-09 (Corresponds to 1% of SIL3)
PFD (Av.)8.7 E-05 (Corresponds to 9% of SIL3)
Proof Test Interval T120a

Characteristic data according to EN ISO13849-1
Performance Levele
CategoryCat 4
MTTFd 771a
Diagnostic Coverage DCHigh

Information with regard to UL Standards
Type 1 enclosure. Use Class 2 power supply or equivalent. Maximum temperature 40°C. Use 16-28AWG copper conductors (rated 90°C). Terminal Torque 6 lb ins. (0.7Nm). Intended for same polarity use. Safety Circuits (11-12 & 21-22) 24V.dc 200mA max. Use one polymeric conduit connection. Not suitable for connection to rigid metal conduit. (Earth bonding terminal inside metal enclosures (if required). Use 16-12AWG conductors)