Maintenance Repair Operations crib, Hydraulic, Pneumatic, Thermal & Electrical System Components; MROcrib

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Archive of posts published in the tag: DPDT
Sep
5

Relay Contact Types

Relay Contact types with Temperature Controllers; SPST = Single Pole Single Throw, SPDT = Single Pole Double Throw, DPDT = Double Pole Double Throw, DPST = Double Pole Single Throw. Throw means how many times it can be “switched”. For example, a single pole will…