KL3-SS-Z Guard Locking Safety Switch with RFID and OSSD
The KL3-SS-Z guard-locking RFID safety interlock with OSSD outputs features a robust 316 stainless steel enclosure with a mirror-polished finish for enhanced hygienic performance. Its robust design provides a holding force of up to 3000 N, helping keep medium to large guard doors securely closed until hazards have been removed.
The OSSD outputs allow up to 30 devices to be connected in series while maintaining a high level of functional safety. Integrated LEDs provide clear diagnostics for device status, including solenoid state, guard position, and input/output status.
The KL3-SS-Z is suitable for applications requiring strict washdown procedures, including high-temperature, high-pressure washing and exposure to corrosive cleaning chemicals.
- Manufactured from mirror-polished 316 stainless steel
- Ingress protection up to IP69K
- Unique RFID coding, with reteach capability
- 2 OSSD outputs and 2 auxiliary outputs for guard and solenoid status
- Holding force up to F1Max 3000 N / 300 kg
- Functions as a power-to-unlock device
- Connection via 3 × M20 or ½” NPT conduits (Quick Connect Available)
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| Part Number | Part Description | Voltage | Connection Type | Auxiliary Override | Actuator |
|---|---|---|---|---|---|
| 456001AZ | KL3-SS-Z M20 (manual release lid and side) – Std Actuator | 24V | M20 | Lid and Side | AZ – Standard RFID Actuator |
| 456001HFZ | KL3-SS-Z M20 (manual release lid and side) – Heavy Duty Actuator | 24V | M20 | Lid and Side | HFZ – Stainless Steel Flexible RFID Actuator |
| 456301AZ | KL3-SS-Z M20 (no release) – Std Actuator | 24V | M20 | No Release | AZ – Standard RFID Actuator |
| 456301HFZ | KL3-SS-Z M20 (no release) – Heavy Duty Actuator | 24V | M20 | No Release | HFZ – Stainless Steel Flexible RFID Actuator |
| 456401AZ | KL3-SS-Z M20 (lid only release) – Std Actuator | 24V | M20 | Lid Only | AZ – Standard RFID Actuator |
| 456401HFZ | KL3-SS-Z M20 (lid only release) – Heavy Duty Actuator | 24V | M20 | Lid Only | HFZ – Stainless Steel Flexible RFID Actuator |
| 456002AZ | KL3-SS-Z ½”NPT (manual release lid and side) – Std Actuator | 24V | ½”NPT | Lid and Side | AZ – Standard RFID Actuator |
| 456002HFZ | KL3-SS-Z ½”NPT (manual release lid and side) – Heavy Duty Actuator | 24V | ½”NPT | Lid and Side | HFZ – Stainless Steel Flexible RFID Actuator |
| 456302AZ | KL3-SS-Z ½”NPT (no release) – Std Actuator | 24V | ½”NPT | No Release | AZ – Standard RFID Actuator |
| 456302HFZ | KL3-SS-Z ½”NPT (no release) – Heavy Duty Actuator | 24V | ½”NPT | No Release | HFZ – Stainless Steel Flexible RFID Actuator |
| 456402AZ | KL3-SS-Z ½”NPT (lid only release) – Std Actuator | 24V | ½”NPT | Lid Only | AZ – Standard RFID Actuator |
| 456402HFZ | KL3-SS-Z ½”NPT (lid only release) – Heavy Duty Actuator | 24V | ½”NPT | Lid Only | HFZ – Stainless Steel Flexible RFID Actuator |
| Note |
|---|
| Suitable for Splash Zones in accordance with EHEDG guidelines. |
| Technical Data | |
|---|---|
| Approvals | TUV, cULus |
| Classification and Coding Level according to EN ISO 14119 | Type 4, High |
| Technology | RFID, Power to Unlock |
| Housing Material | 316 Grade Stainless Steel |
| Supply Voltage | 24Vdc (+/- 10%) SELV/PELV or Class 2 |
| Power Consumption | R+ (50mA Max.) / S+ (500mA Max.) (Solenoid) |
| Safety Circuits | 2 OSSD PNP Outputs (24Vdc 200mA max. switching) |
| Auxiliary Circuits (34 & 44) | 24Vdc 200mA max. Output feed |
| Rated Insulation Voltage | 500VAC |
| Rated Impulse withstand | 1000VAC |
| Holding Force (ISO14119) | F1Max 3000N Fzh 2307N |
| Actuator insertion for locking | 5mm |
| Sao / Sar (RFID) | 15mm / 25mm |
| Operating Frequency | 1Hz |
| Actuator entry minimum radius | 175mm |
| Enclosure Protection | IP67, IP69K (QC version IP67 at connector) |
| Operating Temperature | -25 ... +40 °C |
| Mechanical Life Expectancy (B10d) | 2.5 x 10 6 cycles at 100mA load |
| Vibration | IEC68-2-6, 10-55Hz+1Hz Excursion: 0.35mm, 1 octave/min |
| Characteristic data according to IEC62061 (used as a subsystem) | |
|---|---|
| Safety Integrity Level | SIL 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 T1 | 20a |
| Characteristic data according to EN ISO13849-1 | |
|---|---|
| Performance Level | e |
| Category | Cat 4 |
| MTTFd | 771a |
| Diagnostic Coverage DC | High |
| 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) |
