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  • Excellent! Works as suggested. Good isolation.

    posted by samborambo on 06/11/2012

    Involvement:Expert (understands the inner workings) - Ownership:less than 1 day


    Very versatile relay board with isolated relay driver/buffer.
    Works with digital output voltages from 1.6V to over 12V.
    Ability to separate 12V (for relay driver) ground from your sensitive digital ground, eliminating noisy ground problems.
    10A resistive AC load switching.
    3A inductive AC load switching.
    12VDC power indicator LED and individual coil LEDs are a good feature for fault-finding.
    Excellent value. I wouldn't be able to find the components for this price.


    Datasheet for the relay didn't mention anything about capacitive load break ability. This is of interest when switching flouro or energy saver light loads, as I intend to do. It should be good for 1A or so.
    Bolt holes are a bit too close to the switching terminals. Use plastic stand-offs for mounting instead of screws/bolts.


    While this device is appropriate for use on AC mains switching, ***BIG FAT WARNING*** make sure you check the wiring rules for your country and get a registered electrician to check over your design and final wiring BEFORE you connect it to the mains.



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