PMV70 Voltage Monitoring Relays

Lovato Electric

PMV70 Voltage Monitoring Relays


Lovato PMV70 Voltage Monitoring Relays for Industrial Circuit Protection Applications

The Lovato PMV70 Voltage Monitoring Relays are suitable for industrial circuit protection applications for three phase systems without neutral. The PMV70 is instantaneously tripped when phase loss or incorrect phase sequence is detected and has a delayed trip when a deviation outside minimum and maximum AC voltage parameters, or voltage asymmetry, is detected.


General Characteristics:

– Voltage monitoring relay, self powered, for minimum and maximum voltage, phase loss, incorrect phase sequence and asymmetry.
– Configurable rated voltage (Ue):
• PMV70A240: 208-220-230-240VAC.
• PMV70A575: 380-400-415-440-460-480-525-575VAC.
– Excellent tripping accuracy.
– TRMS measurements (True Root Mean Square).
– Control of phase to phase voltages.
– Phase loss detection if one of the voltages is <70% rated value.
– Phase loss tripping time: 60ms.
– 1 relay output with 1 changeover contact (SPDT).
– Modular DIN 43880 housing, 2-module.
– IEC protection degree: IP40 on front (only when placed in IP40 enclosure or control board), IP20 at terminals.
– Adjustments:
• “V max”: Maximum voltage tripping threshold 105-115% Ue.
• “V min”: Minimum voltage tripping threshold 80-95% Ue.
• “Delay”: Tripping time 0.1-20s.
• “Asymmetry”: High voltage asymmetry tripping threshold 5-15% Ue..


Order Code Rated Voltage to Control Ue (phase to phase) Weight (kg)
PMV70A240 208-240VAC 0.130
PMV70A575 380-575VAC 0.130
PMV70A600 600VAC 0.130


(Please see attached PDF’s for further information)