Over-speed switch
3ST
Frank W Murphy Ltd.
Engine speed is measured in conjunction with an engine mounted transducer, typically a magnetic pickup. Each of the 3 non-latching relays can be set to operate at a preset level; front facia LEDs indicate the state of each relay.
Features:
* 3 independent relay outputs:
S1 (crank), S2 (underspeed), S3 (overspeed)
* Field adjustable set points
* LED indication of relay state
* 0 - 1mA output for calibration or tachometer
* DIN rail mounted case with screw terminals
* 24VDC (3ST/1) or 12VDC (3ST/2) variants
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