# Will a 24V relay work on 12v?

## Will a 24V relay work on 12v?

Once the relay has pulled in, most “24V” relays will hold in quite satisfactorily on 12V or even less. If a low-side switch is what you need, simply connect Fig,1 to a 12-13.8V DC supply rail and most 24V DC relays will function almost as normal.

Will a 6v relay work with 12v?

Description. This circuit allows a 12v relay to operate on a 6v or 9v supply. Most 12v relays need about 12v to “pull-in” but will “hold” on about 6v.

How many volts does a relay need?

Most are rated at 12v, usually a range of 12-15v. Actual voltage required to operate the relay is usually a little under 12v. That is why your accessories can still operate with the key on and engine off, usually making actual voltage a bit under 12v with lights on.

### Will a battery charger run a 12 volt winch?

You will need a 12 volt battery that is rated for more than 55 amps to power your electric winch. Any battery that meets those requirements should work well for you. For most winches that usually means a car battery. I have included a link to the right with tips on wiring an electric winch.

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How much voltage can a relay handle?

To stay within the power rating, a signal with a maximum voltage of 250V, should have a current of no more than 240mA. Most relays, therefore, have a complex useful working area. The higher the switched voltage, the lower the maximum switch current must be for a relay to handle it safely.

How much voltage does a 24V relay need to work?

Use two power supply, 12 volts to drive your circuit and 24volts to drive relay.

#### How many amps does a 12V relay draw?

The current draw of the coil is not normally shown but is typically 150-200 mA with a corresponding coil resistance of around 80-60 W. Tip: Knowing the coil resistance is useful when testing the relay for a fault with a multi-meter.

Does a relay regulate voltage?

The relay provides an accurate means of automatic voltage regulation. Via contactors it gives control impulses to the motor operating gear of the tap-changer.

When would you use a 12V relay?

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12V DC relay switches are the best solution for full voltage applications, as they allow a low current flow circuit to control a high current flow circuit, like a vehicle’s horn, headlights, auxiliary lamps, fan motors, blower motors and countless pieces of equipment existing on vehicles today.

## Can you power a winch with a car battery?

With proper wiring, power can be provided to the winch through a vehicle battery or through a separate, auxiliary battery that powers the winch only.

Can you use battery charger for winch?

The breakaway battery may not be charged sufficiently in this situation either. The best bet for charging the winch battery is to use a 120 volt battery charger like the CTEK MULTI US 7002 12-Volt Universal Battery Charger w/ Pulse Maintenance, item # CTEK56353, before towing the trailer.

How much power does a 12V relay use?

The current draw of the coil is not normally shown but is typically 150-200 mA with a corresponding coil resistance of around 80-60 W.

### How many amps can a 24V relay switch?

rated at 24VDC can switch 2.5 Amps at 48VDC, or even 10 Amps at 12VDC. Volts x Amps = Watts – Never Exceed Watts! An easy way to determine the limit of a relay is to multiply the rated Volts times the rated Amps. Every relay will have two ratings: AC and DC.

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How do I know how many watts a relay can handle?

An easy way to determine the limit of a relay is to multiply the rated Volts times the rated Amps. This will give you the total watts a relay can switch. Every relay will have two ratings: AC and DC. You should determine the AC watts and the DC watts, and never exceed these ratings.