TRONIC transformer, main unit with integrated dimmer function Control with mechanical pushbutton switch, or low-voltage halogen lamps, short-circuit-proof, safe for no-load operation, with thermal overload and short-circuit cut out, inputs for L, N and switched L. Technical data: Input voltage: 230 V~, 50 Hz Output voltage: 12 V AC for 50–200 W Extendable by up to 9 TRONIC transformers 835 TT.