Tongue Interlock Safety Switch with OSSD (KM-Z)
The KM-Z combines internal self-monitoring and OSSD outputs with a robust, slimline body for reliable position interlock detection on medium to heavy duty moving guards.
The head can be rotated to give 8 actuator entry positions. (Actuator sold separately, see accessories section)
- Material: Diecast, Red Painted
- Housing/Fixing: 118mm Long Body with 30mm Fixing
- Contacts: 2 OSSD Outputs (PNP) + 1 Auxiliary Output (PNP)
- Connection: Wired or M12 Quick Connect
NOTE: Replaceable contact blocks.
- Part Numbers
- Technical Specifications
- Technical Drawings
- Downloads
- Accessories
- Related Products
- Sistema & Certificates
| Part Number | Part Description | Safety Channels | Auxiliary | Connection |
|---|---|---|---|---|
| 203300-Z | KM 2NC 1NO QC-M12 8way OSSD | 2 OSSD PNP | 1 PNP | 250mm Pigtail 8way M12 Quick Connect |
| Technical Data | |
|---|---|
| Certificates | cULus (TUV on Internal Contact Block) |
| Technology | Tongue Interlock (Non Locking) |
| Housing Material | Painted Die-Cast |
| Contact Configuration | 2 OSSD PNP + 1 PNP Auxiliary |
| Rated Operating Voltage | 24V DC -15% +10% (Use SELV/PELV) |
| Power Consumption | 0.7W |
| Outputs Rated Voltage | 24V DC |
| Outputs max. / min.Current | 0.2 A / 1mA |
| Inputs Rated Voltage / Current | 24V DC / 2mA |
| Auxiliary Signalling Output Rated Voltage | 24V DC |
| Auxiliary Signalling Output Max. Current | 0.2 A PNP |
| Response Time Guard Open | 60ms max. |
| Response Time Inputs Off | 20ms max. |
| Operating Temperature | -20 ... +50 °C |
| Characteristic Data according to IEC62061 (used as a sub system) | |
|---|---|
| Safety Integrity Level | SIL3 |
| PFH (1/h) | 1.0 E-09 (Corresponds to 1% of SIL3) |
| PFD | 8.8 E-05 (Corresponds to 9% of SIL3) |
| Proof Test Interval T1 | 20a |
| Characteristic Data according to EN ISO13849-1 | |
|---|---|
| Performance Level | e |
| Category | 4 |
| MTTFd | 771a |
| Diagnostic Coverage DC | High |
| Information with regard to U.L. Standards | |
|---|---|
| Enclosure | Type 1 |
| Maximum temperature | +50 °C |
| Maximum output | 24V DC 100mA |
| Powered by Class 2 or equivalent. |






