Explosion Proof Safety Limit Switch with Roller Plunger (HLM-RP-EX)
The HLM-RP-EX has been designed to be mounted for position sensing of moving applications e.g. guard doors, conveyors, machine beds, elevators in atmospheres where the potential for explosion exists.
- Body Material: Die-Cast Metal with Stainless Steel Head
- Ingress Protection: IP67
- 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 |
|---|---|
| 174063 | HLM Roller Plunger EX ‘1NC 1NO’- Die Cast |
| 174064 | HLM Roller Plunger EX ‘2NC’- Die Cast |
| 174065 | HLM Roller Plunger EX ‘2NC 2NO’- Die Cast |
| 174065-5M | HLM Roller Plunger EX ‘2NC 2NO’ – 5m Cable- Die Cast |
| Important Note |
|---|
| Comes with 3m of pre-wired cable (longer available on request). |
| Technical Data | |
|---|---|
| Approvals | IECEx, cULus on LS-Ex Internal Contact Block |
| Technology | Limit Switch, Roller Plunger |
| Housing Material | Painted Die-Cast Aluminum |
| Plunger Material | 316 Grade Stainless Steel |
| Positive Opening Operation | 18N |
| Operating Temperature | -25 ... +80 °C |
| Enclosure Protection | IP67 |
| 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 |

