Can a 24V Relay be Energized Safely with a 6A Power Supply?

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Discussion Overview

The discussion revolves around the safety and feasibility of energizing a 24V relay coil using a 24V power supply rated at 6 amps. Participants explore whether this setup will damage the power supply or the relay coil, and if a resistor is necessary.

Discussion Character

  • Technical explanation

Main Points Raised

  • One participant inquires about the safety of using a 24V, 6A power supply to energize a relay coil that draws 17mA.
  • Another participant asserts that applying 24 volts to a 24V relay should be safe.
  • A third participant clarifies that the 17mA draw indicates the relay will only consume that amount of current from the power supply.

Areas of Agreement / Disagreement

There appears to be general agreement that applying 24 volts to the relay is acceptable, but the discussion does not resolve whether a resistor is needed or if there are any potential risks involved.

Contextual Notes

Participants do not address any assumptions regarding the power supply's regulation or the relay's specifications beyond the stated ratings.

joemunson
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I would like to energize the coil of a 24V relay with switch contacts rated at 2 amps and a coil draw of 17ma with a power supply rated at 24V & 6 amps. Will this be fine and not fry the power supply or coil or do I need a resistor. Any help would be very appreciated.

Joe
 
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If you are applying 24 volts to a 24 volts relay, you will be fine.
 
17ma means that it will draw 17ma of power from the supply.
 
Hey thanks fellas. Much obliged.
 

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