Belt Alignment Switch – Explosion Proof, Heavy Duty, 35mm Diameter with 120mm Length Roller (500021)
IDEM’s die-cast heavy duty conveyor belt alignment switches are designed for use on the running edge of conveyor belts. They are suitable for both indoor and outdoor use and can withstand extreme weather conditions.
- Body Material: Die-Cast Metal Body / Stainless Steel Roller
- 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 No. | Part Description |
|---|---|
| 500021 | Belt Switch 35 x 120mm Roller EX 3m pre-wired |
| 500021-5M | Belt Switch 35 x 120mm Roller EX 5m pre-wired |
| 500021-10M | Belt Switch 35 x 120mm Roller EX 10m pre-wired |
| 500021-15M | Belt Switch 35 x 120mm Roller EX 15m pre-wired |
| 500021-20M | Belt Switch 35 x 120mm Roller EX 20m pre-wired |
| 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 | Belt Alignment Switch |
| Housing Material | Painted Die-Cast Aluminum |
| Roller Material | 316 Grade Stainless Steel |
| Enclosure Protection | IP67 |
| Torque settings | Mounting M5 4.0 Nm Lid T20 Torx M4 1.5 Nm Terminals 1.0 Nm |
| Switching range | WARNING signal 10 to 18 degrees / STOP signal 15 to 35 degrees |
| Operating Torque range (adjustable) | Medium Duty 1.8Nm to 2.8Nm / Heavy Duty 3.0Nm to 5.0Nm |
| Maximum tilt angle (mounting angle) | 30 degrees |
| Maximum Deflection | 65 degrees |
| 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 |

