Explosion-Proof Limit Switch BLX51-Z
GB/T3836.1、GB/T3836.2、GB/T3836.31、IEC60079-0、IEC60079-1、IEC60079-31、EN60079-0、EN60079-1、EN60079-31
| Structural Approach | Rated Voltage | Rated Current | Number of Contacts | Explosion-Proof Marking | Protection Rating | Corrosion Resistance Rating | Inlet Thread | Cable Outer Diameter |
|---|---|---|---|---|---|---|---|---|
| Z: Plunger type | AC 380V, 220V | 6A | One normally open, one normally closed | Ex db IIB T6 Gb, Ex tb IIIC T80°C Db |
IP66 | WF1, WF2* | G1/2" | Φ7~Φ10mm |
| L: Roller plunger type | ||||||||
| N: Flexible contact type | ||||||||
| B: Swivel arm roller type | ||||||||
| C: Adjustable swing arm roller type | ||||||||
| H: Roller fork swivel arm |
1. Aluminum alloy die-cast housing undergoes high-speed shot blasting followed by high-pressure electrostatic powder coating for corrosion resistance and aging resistance.
2. Stainless steel exposed fasteners provide superior corrosion resistance.
3. Product consists of a flameproof enclosure, increased safety wiring chamber, and miniature limit switch.
4. Suitable for both conduit and cable wiring.
1. Suitable for Zone 1 and Zone 2 locations in explosive gas environments;
2. Suitable for Class IIA and IIB explosive gas environments;
3. Suitable for Zone 21 and Zone 22 locations in explosive dust environments;
4. Suitable for Class IIIA, IIIB, and IIC explosive dust environments;
5. Suitable for temperature classes T1 to T6;
6. Suitable for position signal feedback in electrical control systems within hazardous environments such as petroleum extraction, refining, chemical processing, military manufacturing, offshore oil platforms, oil tankers, metal fabrication, pharmaceuticals, textiles, and dyeing.
