Time Relays are made to control an occasion in view of time. The distinction amongst transfers and these relays is the point at which the yield contacts open and close: on a control hand-off, it happens when voltage is connected and expelled from the curl; on time delay transfers, the contacts can open or close previously or after some time Their motivation is to control an occasion . These are switches that open and close circuits electromechanically or electronically. The products are capable to control one electrical circuit by opening and shutting contacts in another circuit. Offered Time Relays are most generally computerized, electronic blend bolts, supplied with a postpone clock that delays the opening of the bolt by a client determinable postpone period, normally short of what 60 minutes.