Proton VMR-3P Voltage Monitoring Relay

Proton VMR 3P - Digital Voltage Monitoring Relay (PR-07) - Din Rail Mounting type

Protection of 3 Phase devices against Over voltage, Under voltage,Single Phasing, Reverse Phasing & unbalance supply are one of the major issue in electrical systems. For safe running of 3-phase devices, special protections that keep a continuous watch on supply conditions are very essential. The major cause of maximum load burn-out is overloading which occurs due to unbalance supply, Single Phasing & Reverse Phasing conditions.

Features:
• Micro controller based technology.
• Wide range of supply variation.
• Unit will also work if any one phase is present.
• Protection against Under voltage, Over Voltage, Single Phasing, Phase Unbalance and Reverse Phasing
• All the set points settable by keys.
• Trip Delay for Under voltage & Unbalance is settable
• Reverse Phasing Protection can be able to bypass through settings.
• Indications for Low voltage , High Voltage, SPP & Relay ON .
• Message Display for SPP, Reverse Phasing & Unbalance Faults.
• No separate auxiliary supply required.
• Hold feature:- Press INC key in Running condition to observe particular supply voltage.

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