| Operation temperature | -5°C~+40°C |
| Power-frequency withstand voltage | 2500V,1min |
| Operation humidity | 45%~85% |
| Electric durability | 50×10⁴ |
| Contact resistance | ≤50mΩ |
| Degree of protection | IP40 |
| Rated insulation voltage | Ui 660V |
| Conventional thermal current | Ith 10A |
| Rated operation voltage | Ue 380V 220V 110V 48V 24V |
| Rated operation current | AC-15 2.5A 4.5 6A 8A – DC-13 – 0.3A 0.6A 1.3A 2.5 |
WPB2- series pushbutton switches are used in industrial for controlling circuits of AC 50Hz or 60Hz, rated operationvoltage 380Vor below and DC operational Voltage 220V orother electricalcircuits. The buttons indicators can also be below for controllingin magnetic starter, contactor,relay and used in theplace with indicated light orsignal. They meet with the standards :IEC60947-5-1.