An encased magnetic reed switch is held open by a magnet so that when the two are separated, as in the opening of a door, the switch closes and initiates a musical door chime sound.
The FK282 not only demonstrates the working of a reed switch it is also ideal for use in shops and homes, to indicate that a visitor or customer has passed through the doorway.
Technical specifications: Power requirement : 3VDC.
Electric current consumption : 110mA. max. (working), 3mA. (stand by)
Detection : magnatic switch or other switch (NC)
IC board dimension : 1.45 in x 1.06 in.
Earning 1point for this item
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