Busch rotary dimmer, Busch dimmer, dimmer REG conventional, Busch rotary dimmer REG, 1-10 V For controlling electronic ballasts for fluorescent lamps with control output 1-10V DC, control current max. 50 mA DC. For LED control via ballasts. Nominal voltage: , +10 % / -10 % Nominal frequency: 50 Hz/60 Hz Nominal power: 700 W/VA Division unit: 3 TE