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(9) Waterproof button（push button switch): with sealed shell, it can prevent rainwater intrusion. Its code is s. (10) Emergency button(push button switch): a large red mushroom button head protrudes outside, which can be used as a button to cut off the power supply in case of emergency. Its code is j or m. (11) Open […]

The construction parameters of the button switchButton switch: an electrical appliance that turns on or off a small current circuit for a short time. It does not directly control the on and off of the main circuit, but sends out manual “commands” in the control circuit to control electrical appliances such as contactors, relays, and so […]

Sine wave inverter is a kind of inverter, it is the DC electric energy (power battery, battery) into alternating current (generally 220V, 50Hz sine wave) power electronic device. Inverter and ACDC converter are the opposite process. ACDC converter or power adapter will be 220V AC rectifier into direct current to use, and the inverter has […]

The difference between a touch switch and a button switch“Self-locking” means that the switch can maintain a certain state through the locking mechanism, and “light touch” means the amount of force used to operate the switch.Generally speaking, mechanical switches may be distinguished as follows:Switches are divided into knob type, toggle type and button type in terms […]

Push button switch is a switch that uses the push button to push the transmission mechanism of the machine to make the dynamic contact and the static contact connect or disconnect, and then realizes the circuit replacement through this. Therefore, a full understanding of the principle of button switch can better master the working mode […]

Factors of choosing normally closed contacts for emergency stop buttonsThe emergency stop button contacts on electrical equipment are either normally open contacts or normally closed contacts. Therefore, people often ask whether the emergency stop button uses a normally closed contact or whether it uses a normally open contact. The factors are as follows:1. From the moment […]