The Siemens SED2 Variable Speed Drive is specifically designed for HVAC applications. Key features include:

• 0.37 - 90kW and higher range of drives with integral keypad
• built in PID for fast and accurate pressure control using pumps and fans
• compact design in IP20 & IP54 versions
• belt failure detection without an internal sensor
• enhanced RFI solution for all building types
• unique design reduces harmonic interferences
• excellent menu driven operator keypad with hand/auto buttons - allows third party users to commission plant without special training
• communications options offer connectivity to all major Building Management Systems