⊹ Product Features：It is used for controlling signal and interlocking purposes.It is used for controlling the circuit of elecromagnetic starter,contactor,relay and so on.The pushbutttons with indicator are applied to place where signal indicators are needed as well.
⊹ Product material：The main body of the push buttons adopts zinc alloy and high-grade anti-flam plastic.The contact adopts special silver alloy in order to enjoy the benefit of high anti-electrical erosion.
| Basic technical parameter of button | Basic technical parameter of signal lamp | |||
| Rated insulation | AC 400V(50Hz/60Hz) | Insulation resistance | ≥50MΩ | |
| Conventional heating current | 10A | Contact resistance | ≤25MinΩ | |
| Insulation resistance | ≥50MΩ | Pf withstand voltage | AC 2.5KV/min | |
| Contact resistance | ≤25MinΩ | Voltage wave | ±20% | |
| Mechanical life | 100×10000 pushbutton | 50×10000 selector switch | Brightness | 60cd/m2 |
| Electrical life | 500×10000 pushbutton | 25×10000 Selector switch | Continuous working life | 10x10000h |
