Time delay relay wiring diagram:

This diagram shows how to make Time delay relay wiring diagram. In this circuit, we use two magnetic contactors, a delay timer, and an SP MCB ( Single Pole Miniature Circuit Breaker ). Here we need to connect the magnetic contactor with the power source and then connect on delay time and MCB. Now this circuit is ready for use. If you want to know more about this circuit please check our youtube video below the post.

Diagram of Time delay relay wiring:

Time delay relay wiring diagram

Components needed For this Project:

You can get the components from any of the sites below:

  1. Magnetic Contactor [See Buy Click Amazon]
  2. SP MCB [See Buy Click Amazon]
  3. On Delay Timer [See Buy Click Amazon]

*Please note: These are affiliate links. I may make a commission if you buy the components through these links. I would appreciate your support in this way!

Components used to make the Time delay relay wiring diagram:

01. Magnetic Contactor:

A magnetic contactor is an electromagnetic switching device. It is generally used for controlling three-phase motors. The operation of a magnetic contactor is similar to that of a relay, but a relay is used for low-power or low-voltage connections, and a magnetic contactor is used for high-power or high-voltage connections. As soon as the supply is applied to the magnetic contactor coil, its normally open contacts are closed and normally closed contacts are opened and the associated devices are also operated. This is how a magnetic contactor works.

02. SP MCB:

In single-pole MCB, Switching & Protection is Affected in only one Phase. Single phase supply to break the phase only. A single Pole breaker is Typically used with 120-volt Circuits, 15-20 amps. They are constructed with one Hot Wire and one Neutral wire. An SP switch is the most basic General-Purpose switch that you use to Control a light or another device from one location. These Switches have two Brass-Colored screw Terminals Connected to the hot Power source wires. Pole refers to the number of Circuits Controlled by the Switch SP Switches Control only one Electrical Circuit.

03. On Delay Timer:

A timer is a type of time-switching device that controls and controls electrical circuits and electrical and electronic devices through time setting (on/off). The timer is basically 8-pin. Like other controlling devices the timer has a coil and when this coil is magnetized, the timer works on/off. The timer has two common ends and each common end has normally close and normally open options. When the timer is set by time, the timer trips at the end of that time and turns the common’s normally closed (on) to open (off) and normally open (off) to close (on). This is how the timer works.

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