Microswitches, 83-135 series
| Manufacturer | PROMET |
| Type of switch | microswitch SNAP ACTION |
| IP rating | IP40 |
| Switch. method* | ON-(ON) |
| Contacts layout | SPST-NO + SPST-NC |
| Positions | 2 |
* the position in bracket indicates momentary position.
| Symbol: (WLK-51, WLK-52, WLK-53, WLK-54, WLK-55) |
| AC load rating @R* | 6A / 400V AC |
| DC load rating @R* | 0.25A / 220V DC |
| Body dimensions | 35x19x29mm |
| Operating Force | 4.5N |
| Operating temperature | -25...40°C |
| Leads | M4 screws |
| Symbol: (WLK-52-01) |
| AC load rating @R* | 16A / 400V AC |
| Operating temperature | -25...55°C |
| Leads | M3 screws |
* at resistive load