3-phase or 3-phase+neutral line voltage monitoring relay for phase sequence, phase loss, over and under voltage (separately adjustable set points) with built-in time delay function. Supply ranges from 208 to 480 VAC covered by one multivoltage relay. 17.5 mm wide housing suitable both for back and front panel mounting.
General Characteristics
TRMS 3-phase over and under voltage, phase sequence and phase loss monitoring relay
Detects when all 3 phases are present and have the correct phase sequence
Detects if all the 3-phase-phase or phase-neutral voltages are within the set limits
Upper and lower limits separately adjustable
Measures its own power supply
Adjustable voltage on relative scale
Adjustable delay function (0.1 to 30 s)
Output: 5 A SPDT relay N.E.
For mounting on DIN-rail in accordance with DIN/EN 50 022
17.5 mm DIN-rail housing
LED indication for relay, alarm and power supply ON