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Classification of relays

2020-01-10
Times：2511
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Classified by size
Name definition
Miniature relay: a relay with the longest side size not greater than 10mm
Subminiature relay: Relay with the longest dimension greater than 10mm, but not greater than 25mm
Miniature relay: Relay with the longest side larger than 25mm, but not larger than 50mm

Classification by contact load
Name definition
Micro power relay: Relay less than 0.2A
Weak power relay: 0.2 ～ 2A relay
Medium power relay: 2 ～ 10A relay
High-power relay: relay above 10A

Classified by use
Name definition
Communication relays (including high-frequency relays): The contact load range of this type of relays is from low to medium current, and the requirements for environmental use are not high.
Industrial control relay: The relay used in industrial control has large contact load power and long life.
Home appliance relays: Relays used in home appliances require good safety performance.
Automotive relays: Relays used in automobiles. This type of relay has a large switching load power and high impact and vibration resistance.

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