Frequency converters for three-phase motors from 1.1 to 15kW. IP66 protection rating. VLTM IP66 Models: 400V-50/60Hz three-phase supply voltage and 400V three-phase output. External screen for viewing parameters. Internal control buttons for manual speed regulation (frequency). Special plug & play configuration for constant pressure work modes or manual regulation with internal control buttons. Overload and short circuit protection. Integrated class 2 EMC filter. Modbus and CANopen communication protocols integrated as standard. BACnet MSTP and Modbus RTU as Standard. Additional Modules available: -Additional relays. -BACNET./ip -Thermistor module (PTC). -Real Time Clock battery.