| Preset | none |
| Function | Proximity switch (with ATEX) |
| Product Family | ATEX pn. Proximity Switch 490 |
| Technology | Pneumatic |
| IP Protection Class | IP65 (Hose connections closed) |
| Operating Temperature [°C] | - 0
+ 60°C
- Maximum compressed air temperature: 30°C
|
| Service Pressure | 2 - 6 bar |
| Air Quality | Filtered, dried and unlubricated air according to ISO 8573-1: 2010 [7:4:4] |
| Filter Pore Width | designed for use with compressed air. Operation with other media/pure gases upon request |
| Degree of Protection | < 40 µm |
| Vibration Resistance | use suitable filters when necessary |
| Shock Resistance | IP65 (Hose connections closed) |
| Cable Length | - ATEX Approval:
- Gas: Ex II 2G Ex h IIC T4 Gb (0°C ? Ta ? 60°C)
- Dust: Ex II 2D Ex h IIIC T80°C Db (0°C ? Ta ? 60°C)
- Mining: Ex I M2 Ex h I Mb (0°C ? Ta ? 60°C)
|
| Size [mm] | 18x20x40 |
| Mounting | M 4 thread or retaining strap |
| Dimensions [mm] | 18,2 x 19,6 x 40,3 mm |
| Weight [g] | approx. 15 g (3.2 oz) |
| Connection | Plug fitting for hose NW 3 |
| Nominal Diameter | 2 mm (0.08 in) |
| Actuating Distance | for Fe approx. 2 mm (0.08 in) |
| Distance between Switch and Steel | min. 15 mm (0.6 in) |
| Distance between 2 Switches | min. 20 mm (0.8 in) |
| Scanning | non-Contact (also through a Wall of Non-Magnetic Material) |
The proximity switch 490 with ATEX does not require contact and is triggered by a magnetic field or an Fe object. The device does not require a continuous air supply. A further advantage of the proximity switch is its compact dimensions.
The ATEX version of pneumatic proximity switch 490 is certified for use in potentially explosive atmospheres where there is a risk of gas or dust explosion, zones 1 and 21 as well as for Mining (category M2).
