Explosion Proof Tongue Interlock Safety Switch (K-SS-EX)
The K-SS-EX is a tongue operated stainless steel safety interlock, suitable for use in hazardous environments. They mount directly to the leading edge of sliding, hinged or lift off machine guards and feature IDEM’s reliable anti-tamper cam system.
- Body Material: 316 Stainless Steel
- Ingress Protection: IP69K
- Contacts: 2-Pole or 4-Pole Ex Rated Contact Blocks
- Zones: 1, 21, 2, 22
- Ex Marking: Exd IIC T6 (-20 ≤ Ta ≤ +60C) Gb / Ex tb IIIC T85C (-20 ≤ Ta ≤ +60C) Db
- Part Numbers
- Technical Specifications
- Technical Drawings
- Downloads
- Accessories
- Related Products
- Sistema & Certificates
| Part Number | Part Description |
|---|---|
| 208016 | K-SS-Ex 3M ‘1NC 1NO’ |
| 208016A | K-SS-Ex 3M ‘1NC 1NO’ – std actuator |
| 208016F | K-SS-Ex 3M ‘1NC 1NO’ – flat actuator |
| 208016HF | K-SS-Ex 3M ‘1NC 1NO’ – HF Actuator |
| 208016HFH | K-SS-Ex 3M ‘1NC 1NO’ – HFH Actuator |
| 208016PF | K-SS-Ex 3M ‘1NC 1NO’ – PF actuator |
| 208019 | K-SS-Ex 3M ‘2NC’ |
| 208019A | K-SS-Ex 3M ‘2NC’ – std actuator |
| 208019F | K-SS-Ex 3M ‘2NC’ – flat actuator |
| 208019HF | K-SS-Ex 3M ‘2NC’ – HF Actuator |
| 208019HFH | K-SS-Ex 3M ‘2NC’ – HFH Actuator |
| 208019PF | K-SS-Ex 3M ‘2NC’ – PF actuator |
| 208026 | K-SS-Ex 3M ‘2NC 2NO’ |
| 208026A | K-SS-Ex 3M ‘2NC 2NO’ – std actuator |
| 208026F | K-SS-Ex 3M ‘2NC 2NO’ – flat actuator |
| 208026HF | K-SS-Ex 3M ‘2NC 2NO’ – HF Actuator |
| 208026HFH | K-SS-Ex 3M ‘2NC 2NO’ – HFH Actuator |
| 208026PF | K-SS-Ex 3M ‘2NC 2NO’ – PF actuator |
| Important Note |
|---|
| Comes with 3m of pre-wired cable (longer available on request). |
| Actuator sold separately. |
| Technical Data | |
|---|---|
| Approvals | IECEx, cULus on LS-Ex Internal Contact Block |
| Technology | Tongue Interlock (Non Locking) |
| Material | 316 Grade Stainless Steel |
| Actuator Entry Minimum Radius | 175mm Standard 100mm Flexible |
| Maximum Approach/Withdrawal Speed | 600mm/s |
| Enclosure Protection | IP67, IP69K (NEMA 6) |
| Operating Temperature | -25 ... +60 °C |
| Switching frequency (LS-Ex) | 1.0 Hz maximum |
| Mechanical Life Expectancy (LS-Ex) | 1,000,000 switches |
| Electrical Life Expectancy (LS-Ex) | Tested to 1,000,000 cycles at 24V. 0.2A |
| Ex Classification |
|---|
| ATEX Zones 1,21,2,22 |
| II 2G Ex mb IIC T6 Gb |
| II 2D Ex mb IIIC T80C Db |



