Medium Voltage MVC Plus Series - Soft Starters

Features

• Advanced motor protection relay and ramp features, programmable via the keypad or a laptop computer
• Fiber optically isolated low voltage compartment with up to 110 kV BIL rating for safety and reliability
• Built-in 120 V control power transformer*; voltage and current metering
• Reduced load on the power supply network
• Load-break / fault-make rated disconnect switch with door safety interlocking*
• Visible grounding bar for safe operation
• Coordinated motor fuses with blown fuse indicators
• Line isolation vacuum contactor*
• Fully rated bypass contactor for increased thermal capacity and optional across-the-line starting
• Heavy duty SCR stack assemblies with ring transformer isolation for reliable SCR gate firing
• RTD option accepts up to 12 RTD inputs
• Zero sequence ground fault protection option
• Top entry, bottom exit with room for stress cones
• Removable entry plates for easy connections
• NEMA 12 gasketed enclosure (NEMA 3R optional)

* “Soft Start Only” model available for retrofit application.
• Does not include disconnect switch, line isolation contactor or CPT. Customer supplied line start panel required.

NOTES:
• Motor current and service factor must be supplied on order for fuse and CT selection
• Max. HP / kW estimate assumes motor power factory equals .8 or better, motor efficiency is .95 or better and service factor is equal to 1.15
• Planned cable entry / exit must be verified at time of order
• Consult WWE if UL347 labeling is required
• Model Number MVC3-41400-ESWG-D includes GF, RTD Monitor, Space Heater and Line Fuses (Exact fuse size must be selected based on motor FLA and voltage)