The SE14.21-25.40 NHK is a powerful, silent 3-phase drive with emergency hand crank for heavy balanced industrial doors up to 600 kg. This set is supplied complete with a pre-assembled “plug and play” cable (length: 7 meters), intelligent control with integrated up-stop-down control (type: TS970), 5-pin 16A CEE plug (for 3N~400Vac) of 0.8 meter cable, connection box with clamps on spiral cable (5x0.5mm²), set of OPTO sensors with reducing sleeves and mounting material.