3 Installation3.2 MountingDE1… Variable Speed Starter 11/16 MN040011EN www.eaton.com 37There must be a clearance of at least 15 mm in front of the device.Figure 24: Minimum clearance→ Devices with strong magnetic fields (e.g., chokes andtransformers) should not be installed in the striking distance ofthe variable speed starter.→ When using any of the following optional modules:• DX-NET-SWD3 (SmartWire-DT)• DXE-EXT-SET (configuration module)• DX-KEY-LED (external keypad)make sure to take into account the additional clearance that willbe required in front of the DE1... variable speed starter.→ The appendix lists the dimensions, weights, and requiredmounting dimensions for the individual sizes (FS1, FS2).①