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The Model 777-MV-P2 is a fully programmable electronic overload relay. It is designed to monitor and protect any 3-phase medium voltage motor drawing 10-800 full load amps. The 777-MV-P2 unit requires the use of external CTs and single-phase or 3-phase potential transformers with 100-240VAC secondaries. The unit provides unsurpassed protection from faulty voltage, underload and overload conditions. Typical applications include pumps, grinders and other 3-phase medium voltage applications.
The 777-MV-P2 units can be used as a stand-alone product or the RS-485 communications port can be used to form a network to communicate with a PC, PLC or SCADA system. The 777-MV-P2 units can be used with CIO modules produced by SymCom for several types of communication protocols. Up to 99 model 777-MV-P2 units can be networked together and monitored and controlled by SymCom’s Solutions software. The units can also be connected to SymCom’s remote monitors for a simple, costeffective way to meet new requirements for arc-flash safety.
The 777-MV-P2 units incorporate a 3-digit LED display that is used for programming, providing real-time operational information, and displaying diagnostic codes to aid in troubleshooting a fault condition.
The unit’s many features include enhanced trip classes beyond the NEMA standard trip classes. The settable trip class range is 2-60, with or without jam protection, and a secondary linear trip delay can be set with a range of 0-60 seconds. If both trip class and linear trip delay are set, the 777-MV-P2 will follow the faster trip time. Another feature is the automatic dry-well recovery timer that allows the unit to automatically select a restart delay based on the last cycle’s run time. This allows the 777-MV-P2 to optimize restart delay times.
The units can be pre-programmed with a 9-volt battery prior to actual installation. This can save a lot of time during initial installations and avoid subsequent service calls when commissioning new projects.
SymCom 777-MV-P2 Pump Monitor Typical Application
Saws and grinders
All pumping applications
SymCom 777-MV-P2 PumpSaver Plus Technical Details
Protects 3-Phase motors from:
Programmable with 9-volt battery prior to installation
Automatic reset with three separate restart delay timers, or manual reset
RS-485 communications port (communications module sold separately)
3-digit LED diagnostic display
Last fault memory
UL and ULC listed
Surface or DIN rail mount
Made in USA
SymCom 777-MV-P2 PumpSaver Three Phase Product Resources