AC 420V Household Surge Arrester Device with Modular Design and DIN Rail Installation The surge arrester is constructed with flame-retardant plastic housing for durability and safety. It features precision electronic components that ensure long service life and stable performance. High-quality terminals provide excellent electrical conductivity. Designed for DIN rail mounting, it offers flexible installation and easy assembly. The compact and lightweight design, combined with a modular structure, allows for simple maintenance and replacement. Note: - Installation must be performed by a qualified electrician. - Slight variations in size and color may occur due to manual measurement and lighting conditions. Specifications: - Pole Number: 2P+2P / 4P (Optional) - Color: Grey - Case Material: Plastic - Voltage: AC 420V - Imax: 40kA - In: 20kA - Up: 1.8kV - 3C Rated Voltage Range: 50V - Rated Voltage: 440V - Item Size: - 2P (Each): 35 x 65 x 90mm / 1.38 x 2.56 x 3.54in - 4P: 70 x 65 x 90mm / 2.76 x 2.56 x 3.54in - Package Size: 9.8 x 7.6 x 7.3cm / 3.86 x 2.99 x 2.87in - Package Weight: - 2P+2P: 420g / 14.81oz - 4P: 383g / 13.50oz - Package Contents: - 1 x 4P Surge Protective Device