Usually, the same text symbols are marked next to the contacts and coils of the same relay, and the contact groups are numbered.
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In order to ensure the normal use of the relay, it is necessary to test the relay.
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The main product technical parameters of the relay are rated working voltage, DC resistance, pull-in current, release current, contact switching voltage and current.
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It plays the role of automatic adjustment, safety protection, and conversion circuit in the circuit.
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Three simple ways to judge the quality of various relays.
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The function of the motor protector is to provide comprehensive protection and control to the motor
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The relay plays the role of automatic adjustment, safety protection and conversion circuit in the circuit.
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In general, the microcomputer protection has a communication interface, the beginning is 485 communication interface, through the shielded twisted pair to communicate, and then gradually develope...
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In the 21st century, people's pursuit of working environment and living environment is efficient, comfortable, safe and convenient.For example, the need to create a variety of comfortable artific...
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With the continuous opening of the power market, relaying protection industry competition, like a boat against the current, not to advance is to retreat.Our company, constantly improve their mana...
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With the gradual implementation of ten industrial revitalization policies, the demand and application fields of relays in China will continue to grow. The traditional electromechanical relay will...
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In our electric facilities, we often use a kind of electrical appliances is the relay, which is used in the automatic control circuit, is a switch of current operation, it has a conversion circui...
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