push-button switch refers to a switch that uses a button to push the transmission mechanism to make the moving contact and the static contact press on or off and realize circuit switching. The push button switch is a kind of master electrical appliance with simple structure and wide application.In electrical automatic control circuits, it is used to manually issue control signals to control contactors, relays, electromagnetic starters, etc.
Outline Drawing:
The button switch can complete basic control such as start, stop, forward and reverse rotation, speed change and interlock. Usually each push button switch has two pairs of contacts. Each pair of contacts consists of a normally open contact and a normally closed contact. When the button is pressed, the two pairs of contacts act simultaneously, the normally closed contact is disconnected, and the normally open contact is closed.
Parameters:
Rating | 3A 250VAC; 8A 36VDC; 8A 125/250VAC; 10A 125/250VAC | |
Contact Resistance | 100mΩ MAX | |
Operating Temperature | 25T125 | |
Operating Force | 100±50gf | |
Travel | OP=8.7±0.5mm FP=9.2±0.3mm | |
service life | Electrical | ≥50,000 Cycle |
Mechanical | ≥500,000 Cycles |
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