This MAX9 product is a changeover switch. It is a 1 pole switch with 40A le rated operational current, and the operating frequency is from 50Hz to 60Hz. The Max9 Changeover Switches provide the perfect solution for low voltage distribution systems that need a continuous power supply. They have been developed and meticulously tested for long life. This product complies with EN/IEC 60947-3 standard. It is intended for new or renovated installation in residential, and small buildings. The electrical and mechanical endurance is going up to 10000 cycles. It has a position contact indicator and is suitable for industrial isolation. A padlocking device is not provided with the product but could be installed on the ON position of the toggle. It has a screw terminals connection at the top and bottom. The connection allows rigid copper cables with a cable cross section from 1mm² to 16mm². The connection allows flexible or with ferrule copper cables with a cable cross section from 1mm² to 10mm² . The Ue rated operational voltage is from 230VAC to 240VAC with operating frequency is from 50Hz to 60Hz. The Ui rated insulation voltage is up to 690V. The Uimp rated impulse withstand voltage of 6kV. The Icm rated short-circuit making capacity is 0.8kA. The Icw rated short-time withstand current is 0.8kA at 230VAC to 240VAC with a duration for 1s. It can be mounted on a 35mm DIN rail for modular installation. The width in 9mm pitches is 2. The dimensions are (W) 17.5mm x (H) 85mm x (D) 44mm. The product weight is 85g. The pollution degree is 3. The utilisation category is AC-22A. The wire stripping length is 12mm (top and bottom). The tightening torque of the connection is 2.5N.m (top and bottom) for the PZ2 screwdriver type. The IP degree of protection is IP20 and becomes IP40 when the device will be inside the enclosure. The operating temperature is from -25°C to +60°C.