What Is No Volt Coil? A No Volt Coil, often abbreviated as NVC coil or NV coil, is an electromagnetic coil used in electrical devices such as contactors and motor starters. It serves as a control component that helps prevent automatic restarting of equipment following a power interruption. The primary function of a No Volt Coil is to ensure the equipment remains in the off state after a power failure until intentionally restarted by an operator. It achieves this by utilizing electromagnetic induction. When an electric current passes through the coil, it generates a magnetic field, which controls the operation of the associated electrical circuit. In the case of contactors and motor starters, a No Volt Coil is typically incorporated to provide a safety feature. After a power outage or interruption, the coil ensures that power is not automatically supplied to the motor or equipment upon restoration of electrical supply. This prevents unexpected equipment startup, protecting both ope...
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