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Contactors
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Switch of under-voltage, control of low energy consumption for the test electricity
The electrical panel contactor is used to manage the operating time of the water heater. With this accessory, the device will only turn on during off-peak hours and other times when electricity is cheaper. It significantly reduces expenses related to hot water.
Like impulse relays, the contactor is a specific component that is part of the electrical panel accessories. Basically, it is used to:
- open or close a high-power electrical circuit ;
- manage a high-power circuit centrally with a very simple action, through a push button ;
- control the switching on and off of an electric water heater equipped with a storage tank (it is not suitable for instantaneous electric water heaters).
The electrical panel accessory is especially useful for ENEDIS customers who have subscribed to the off-peak option. It allows:
- to turn on the water heater during periods when electricity costs less ;
- to turn off the device during other times of the day ;
- to save up to 10% on expenses related to the use of the water heater ;
- to contribute to environmental protection by reducing energy consumption.
To understand how the accessory works, it is necessary to place it in the overall diagram of an electrical installation, including:
- a command section designed to manage the contactor and transmit the order for the current to pass or not ;
- a power section: the current passes through the accessory to supply the water heater ;
- the contactor: the accessory allows the current to pass or not, depending on the order coming from the command section ;
- the receiver (in this case, the water heater).
The electrical panel contactor is managed by the command section:
- when it is activated, it is in "passing" mode, and the water heater receives power to operate normally ;
- when it is deactivated, it is in "non-passing" mode, and the water heater is no longer supplied with electricity. As a result, the device no longer operates.
In general, the accessory is equipped with a selector displaying:
- an ON or 1 position (forcing the device to operate and providing hot water) ;
- an AUTO position (the order to activate or deactivate the contactor is sent by ENEDIS, and the user cannot intervene) ;
- an OFF or 0 position (stopping the current supply to the water heater).
The electrical panel contactor is used to manage the operating time of a storage tank water heater. It is also called a Day Night contactor or off-peak contactor. Indeed, it allows the device to turn on only during periods when electricity is cheaper (off-peak hours).
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