Universal rotary dimmer insert for LED lamps. For ohmic, inductive or capacitive loads, e.g. dimmable LED lamps, incandescent lamps, dimmable wound transformers or electronic transformers. Leading or trailing edge. The universal dimmer automatically recognises the connected load. Do not connect any mixed loads. With push button two-way switch. With claw and screw fixing. With screw terminals. Nominal voltage: AC 230 V, 50/60 Hz. Switching capacity: LED lamps : 4-200 VA (RC-mode). 4-40 VA (RL-LED-mode). Incandescent lamps: 4-400 W. Halogenlamps: 4-400 W (230 V). 4-400 VA (LV with dimmable wound transformer). 4-400 VA (LV with dimmable electronic transformer). Neutral conductor: not required. Connecting terminals: Screw terminals for max. 2.5 mm². Protection: 16 A circuit breaker. Properties: Short-circuit-proof. Overload-proof. Soft start.-Resistant to overheating. Automatic load detection. Min. / max. settings. Manual load settings (RL-LED-mode). Its matching mounting box can be recessed into the surface of the wall with flush type. With electronic short-circuit and automatic overload protection protection type, this rotary dimmer concerns your safety. It obtained CE certificate as well. What's more, it well satisfied the standard of EN 60669-2-1, EN 61000-6-3. Besides, the IP rating of this device is IP20. And it is mercury free