Automatic Transfer Switch Changeover connection | ATS

Automatic Transfer Switch Changeover connection | ATS

Automatic Transfer Switch Changeover connection

This diagram shows the ATS Automatic Transfer Switch Changeover connection. In this system, we connect DP MCB To ATS changeover. This circuit is very easy to connect. The upper terminal of the changeover switch is connected to the main power line or main DP MCB while the lower first terminal and right slots are connected to the backup power supply like a generator or inverter etc. The left side of the lower terminal is connected to the main MCB as a load. Another DP MCB here connects to SP (Single Pole) Circuit Breakers and then outputs for the load.

Images of Automatic Transfer Switch Changeover connection wiring

Components Need for this Project:

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

  1. Single Phase Energy Meter [See Buy Click Amazon]
  2. DP MCB [See Buy Click Amazon]
  3. SP MCB [See Buy Click Amazon]
  4. ATS [See Buy Click Amazon]
  5. Inverter [See Buy Click Amazon]
  6. Battery [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!


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Components used to make the Automatic Transfer Switch Changeover connection:

01. Single Phase Energy Meter

Single Phase Energy Meter
Fig 2: Single Phase Energy Meter
The measuring device with the help of which the electric power or energy of a circuit is measured is called Energy Meter (Energy Meter). Also called a watt-hour or kilowatt-hour meter. For home appliances, we used a single-phase energy meter. The single-phase energy meter is directly connected between the line and the load. Both coils produce their magnetic fields, when the meter is connected to the supply line, and the load. Energy meters are used in homes and in industrial applications where we want to found that how much energy is being consumed by home appliances and electrical equipment.

02. DP MCB

Fig 3: DP MCB
Double pole MCB can control two wires. This circuit breaker is generally used in single-phase electric lines. Double pole MCB circuit breaker input has two wires supply two wires and an output. In a single-phase line, A double-pole MCB circuit breaker is used to give good production. This circuit breaker is provided through phase and neutral circuit breaker, it is very safe. This circuit breaker is preferred for home appliances. A DP MCB usually trips for 2 reasons 1. Overload 2. Short circuit.

03. SP MCB

Fig 4: SP MCB
MCB SP means single pole it protects only one phase switching. MCB (Miniature Circuit Breaker) Curswitch 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. (MCB) For any Distribution Board, the Protection System Must be Used in The Incomer. Phase and Neutral Single Phase Supply to break. 120-volt circuits, 15-20 amp single pole breaker is typically used.

04. ATS

Fig 5: ATS
An automatic transfer switch (ATS) is a type of intelligent power switching device controlled by the dedicated control logic and used with a diesel generator to automatically switch between mains and generator in case of power failure. A transfer switch (either manual or automatic) will perform the switching function to ensure an uninterrupted supply of electrical power from one of two power sources (usually mains and generator) to several connected loads (lights, sockets, motors, computers, electrical appliances, etc.). Which saves a lot of time and manpower and reduces the length of power outages.

05. Inverter

Fig 6: Inverter
An inverter is an electrical device that converts DC current into alternating current (AC). AC can be operated at any voltage and frequency system with suitable transformers, switches, and control circuits. Most electrical appliances run on AC (Alternative Current). Nowadays inverter is a very common device that is used to change the voltage in any type of machine or to control the speed of the induction motor. For example, the power supply in our country is 50 Hz, and the speed of the motor will also be fixed at this fixed Hz. In such cases inverter is used to drive the motor slowly or strongly.

06. Battery

Fig 7: Battery
A 12-volt Battery is an Irregular Battery used in Specific Electronic Applications. Of all the types of Batteries, the 12-Volt Battery is one That Looks Very Different Depending on its use. It can be Large or small, Heavy or Light. Twelve-volt batteries are commonly used in RV, Boat, and Other Automobiles Systems. From a Technical Perspective, a Battery Uses one or more cells to Allow a Chemical Reaction Creating the flow of Electrons in a Circuit.

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Frequently Asked Questions

What are the types of automatic changeover?

There are three main classifications of automatic transfer of the switches: open transition, closed transition, or delayed transition. Open transition switches. These use a break-before-make system, meaning they will break contact with the previous power supply source (grid versus generator) before establishing new contact.

What is the difference between manual and automatic changeover of the switch?

Unlike a manual transfer switch, automatic transfer switches could be used with permanently installed standby generators. That way, when your power supply is disrupted and your company is subject to blackouts, your generator will automatically kick on or supply emergency backup power to your building.

What is the difference between a manual transfer switch and an automatic transfer of the switch?

Manual transfer switches are more affordable or simplistic. But, someone must be on-site to operate the generator, start it, or turn it off. That means it won't turn on automatically when the power supply goes off. Automatic transfer of the switches (ATS) are costlier, but they offer advanced technology that is well worth it.

How do you maintain an automatic transfer switch?

Check all control wiring, cables, and connections to the control panel—tighten and replace as needed. Inspect, clean, or vacuum ATS enclosure, both interior and exterior. Check and replace any batteries if equipped or necessary. Check torque on all lugs or bus connections, and tighten as needed per specifications.

Where is an automatic transfer switch installed?

The transfer switch would be located after the service disconnect panel of the building. There is the option to manually switch breakers off on any load you do not want to power supply. You would want to size your generator and transfer switch amperage to match the load.

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