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EMS-RV - Energy Management Soft-Starter

The Most Intelligent Soft-Starter Yet

EMS-RV - Energy Management Soft-Starter

The Most Intelligent Soft-Starter Yet

EMS-RV - Energy Management Soft-Starter

The Most Intelligent Soft-Starter Yet

  • 3Ø, 200~480V, 2-250HP
Retaining the incredible features from the original EMS, such as Power metering & Modbus RTU communications, the EMS-RV has the added benefit of reduced voltage starting. Reducing the inrush current further increases energy savings and extends equipment life.
  • Energy savings through reduced inrush current
  • Adjustable current limit, initial voltage, start/stop time
  • Coast to stop
  • Torque boost
  • SCR over-temperature detection
  • Shorted SCR detection
  • Across-the-line start for emergency situations
  • UL Type 3R enclosed
  • Superior motor protection
  • Class 5-30 Electronic Overload
  • Phase loss/unbalance protection
  • Stall/locked rotor condition
  • Cycle fault
  • Underpower (Protects the motor in a belt loss condition)
  • Built-in power monitoring, fault logging and communications
  • 1% ANSI grade metering
  • kW and kWh data available on LCD display
  • Last 15 fault types are recorded (e.g. underpower, overload, voltage/current loss/unbalance, etc.)
  • Fault counter: stores how many times each fault type has occurred (Up to 255)
  • Logs changes to parameter settings (e.g. overload, OV/UV, underpower)
  • All power condition values are displayed
  • Built-in RS-485 for Modbus RTU communication
  • HOA keypad with LCD display
  • Plain English operation – easy to set up and simple to operate
  • LEDs indicate Hand/Off/Auto modes, run and fault conditions
  • Building automation system ready
  • Relay outputs for fault and proof of flow verification
  • Detects belt loss and alerts automation system
  • Voltage inputs for auto run and fireman’s override (accepts 12-120VAC/DC)
  • Fireman’s override initiates smoke purge sequence during emergency situations for safety and code compliance
  • Dry inputs for auto run, emergency shutdown, and permissive auto (N.O. dry contact closure)
  • Analog input for (selectable) 0-10V, 4-20mA, 10k Thermistor, viewable as a Modbus point
  • 120V control circuit
  • Option in lieu of 24VAC standard
  • Ground fault protection
  • Protects motors from damage due to ground current conditions
  • UL 1053 Certified
  • Optional molded circuit breaker disconnect provides branch and short circuit protection
  • High interrupting ratings for maximum electrical system compatibility
  • No fuses required – save time and money
  • Lockable handle for safety
  • Multi-tap control power transformer (CPT)
  • Multi-tap CPT input accepts all common motor voltages
  • Integrated secondary protection – no fuses required

Specs & Documents

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A disconnect provides short circuit protection, and a means of disconnecting power to safely service the application. Disconnects can be locked/tagged out in the open (off) position to ensure the system isn’t energized during service.

Use a NEMA 1 enclosure when panels are installed in clean, indoor environment. NEMA 3R is a rainproof enclosure meant for outdoor installations.

Check the motor nameplate to find your motor's rated Horsepower

Enter single or three phase based on the incoming power distribution system.

Check the voltage on your motor nameplate. This should be consistent with the supply voltage from your power distribution system.

Check the motor nameplate to find the FLA of the motor. (SFA for submersible motors)

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