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

Guard Locking RFID Safety Switch with OSSD (KL3-SS-Z)

The KL3-SS-Z guard locking RFID safety interlock with OSSD outputs, features a slimline stainless steel 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 3000N to keep medium to large guard doors closed until the hazard/s have been removed.

  • Material: Mirror Polished 316 Stainless Steel
  • Ingress Protection: IP69K
  • 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 3000N (300Kg)
  • Connection: 3 x M20 or ½” NPT (Quick Connect is Available)
Part No.Part Description
456001AZKL3-SS-Z M20 (manual release lid and side) – Std Actuator
456001HFZKL3-SS-Z M20 (manual release lid and side) – Heavy Duty Actuator
456002AZKL3-SS-Z ½NPT (manual release lid and side) – Std Actuator
456002HFZKL3-SS-Z ½NPT (manual release lid and side) – Heavy Duty Actuator
456003AZKL3-SS-Z QC-M12 (manual release lid and side) – Std Actuator
456003HFZKL3-SS-Z QC-M12 (manual release lid and side) – Heavy Duty Actuator
456301AZKL3-SS-Z M20 (no release) – Std Actuator
456301HFZKL3-SS-Z M20 (no release) – Heavy Duty Actuator
456302AZKL3-SS-Z ½NPT (no release) – Std Actuator
456302HFZKL3-SS-Z ½NPT (no release) – Heavy Duty Actuator
456303AZKL3-SS-Z QC-M12 (no release) – Std Actuator
456303HFZKL3-SS-Z QC-M12 (no release) – Heavy Duty Actuator
456401AZKL3-SS-Z M20 (lid only release) – Std Actuator
456401HFZKL3-SS-Z M20 (lid only release) – Heavy Duty Actuator
456402AZKL3-SS-Z ½NPT (lid only release) – Std Actuator
456402HFZKL3-SS-Z ½NPT (lid only release) – Heavy Duty Actuator
456403AZKL3-SS-Z QC-M12 (lid only release) – Std Actuator
456403HFZKL3-SS-Z QC-M12 (lid only release) – Heavy Duty Actuator

Suitable for Splash Zones in accordance with EHEDG guidelines.

Technical Data
ApprovalsTUV, cULus
Classification and Coding Level according to EN ISO 14119Type 4, High
TechnologyRFID, Power to Unlock
Housing Material 316 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 3000N Fzh 2307N
Actuator insertion for locking5mm
Sao / Sar (RFID)15mm / 25mm
Operating Frequency1Hz
Actuator entry minimum radius175mm
Enclosure ProtectionIP67, IP69K (QC version IP67 at connector)
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
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)