Non-Contact Safety Switch for Hazardous Areas, Zones 0/20 (WM1-Ex)
The WM1-Ex explosion proof safety interlock switch for use in hazardous environments are designed to interlock hinged, sliding or removable guard doors or hatches. All electrical components are fully encapsulated and encased with a stainless back plate to prevent tempering. The cable is protected with a stainless steel flexible conduit.
- Housing Material: 316 Grade Stainless Steel, Mirror Polished
- Contacts: 2NC + 1NO
- Contact Rating: Up to 250V ac/dc 2.0A Max (Internally Fused)
- Zones: 0, 20, 1, 21, 2, 22
- Ex Marking: II 1G Ex ma IIC T6 Ga / II ID Ex ma IIIC T80 Da IP67*
- Part Numbers
- Technical Specifications
- Technical Drawings
- Downloads
- Accessories
- Related Products
- Sistema & Certificates
| Part No. | Part Description |
|---|---|
| 900101 | WM1-Ex-SS 5M ‘2NC 1NO’ 230Vac/24Vdc |
| 900102 | WM1-Ex-SS 10M ‘2NC 1NO’ 230Vac/24Vdc |
| Important Note |
|---|
| Installation of all non-contact Ex Safety Switches must be in accordance with your machines risk assessment. |
| Technical Data | |
|---|---|
| Certificates | IECEx |
| Technology | Magnetic |
| Housing Material | 316 Grade Stainless Steel |
| Recommended setting gap | 5mm |
| Tolerance to misalignment | 5mm in any direction from 5mm setting gap |
| Switching frequency | 1.0 Hz Maximum |
| Temperature range | See conditions of use |
| Enclosure protection | IP67 (Fully encapsulated) |
| Mechanical reliability (B10d) | 3.3 million operations at 100mA load |
| MTTFd | 470 years (Proof Test Interval 47 years) |
| Cable type | PVC 7 core or 3 core 6.5mm O.D. Max. |
| Mounting bolts | M4 Tightening torque 1.5 Nm |
| Ex Classification |
|---|
| II 1G Ex ma IIC T6 Ga |
| II 1D Ex ma IIIC T80C D |
