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Reed Switch

Discussion in 'General Electronics Discussion' started by Heitor, Feb 10, 2016.

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  1. Heitor


    Feb 10, 2016
    Good night everyone,

    I have a electric motor pulley system moving a small carrier and i would like to limit the range that the carrier goes using the reed switch as a sensor for the initial and final position. The problem is that the electric motor uses up to 2.4 A, and the reed switch has a maximum of 0.5 A. Is there a way for the reed switch to be used as a secondary circuit that cuts the circuit of the motor?

  2. Tha fios agaibh

    Tha fios agaibh

    Aug 11, 2014
    Yes you could use relays to handle the higher current, but I'd recommend using normally closed limit switches. Reed switches can be rather delicate for this function and if the switch doesn't trip it cause the carrier to crash and motor to overload.
    I'd also see that the switch ratings are will above the motors full load current.
    Bluejets likes this.
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