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What is a power relay
Dec 06, 2016

Relay: when the input volume (or incentive) if certain prescribed conditions are met in one or more electrical output circuit jumps in a device.
Classification by relay load:
Micro-power relays: when contacts open when the voltage is 28V DC, contacts rated load current (resistive) for the relay of 0.1A;0.2A;
Weak power relays: when contacts open when the voltage is 28V DC, contacts rated load current (resistive) for the relay of 0.5A;1A;
Power relays: when contacts open when the voltage is 28V DC, contacts rated load current (resistive) for the relay of 2A;5A;
Power relays: when contacts open when the voltage is 28V DC, contacts rated load current (resistive) 10A;15A;20A;25A;40A ... ... The relay.
According to the input signal relay can be divided into: power relays, current relays, relays, power relays according to the load can be divided into: micro-power relays, weak power relays, power relays, power relays, and so on. Different principles of power relay is different, we should take note of that.