#03-1, M1S: Two Low-power Relays (Configuration 1)
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Function: Two mechanical low-power relays with independent normally opened terminals
Form factor: M1S
Category: Output module
Special needs: ---
Power requirements: 5V/60mA (with both relays activated)
These relays are rated for 1A/30V.
To activate a relay, set the corresponding control line LOW. When left unconnected, control lines default to HIGH (and, hence, relays are off).
There are two red LEDs which are connected to two relay control lines. LEDs light up for the LOW state of control lines (i.e. when relays are activated).