A. Functions: - Over - voltage protection - Under - voltage protection - Automatic function - Voltage display (voltage measurement) - Installation method: 35mm rail installation B. Technical parameters: - Rated voltage: 220V/230V/AC - Operating voltage: AC 80 - 400V (single - phase) - Rated frequency: 50/60Hz - Over - voltage setting range: 230 - 300V - Under - voltage setting range: 210 - 140V - Rated current: 63A - Over - voltage and under - voltage tripping delay time: 0.5 seconds - Reset/delay time: 1 - 600 seconds - Voltage measurement accuracy: 3% (not exceeding 3% of the full scale) - Rated insulation voltage: 400V - Output contacts: 1 normally open - Electrical life: 100,000 times - Mechanical life: 1,000,000 times - Protection level: IP20 - Pollution level: 3 - Operating temperature: -50 - 55℃ - Humidity: 50% at 40℃ (no condensation) - Storage temperature: -30 - 70℃ C. Type: Voltage protector D. Color: White E. Material: PC F. Dimensions: 90 x 65 x 53mm G. Package contents: - 1 over - voltage protector Only the above package contents are included, and no other products are included. Note: Light reflection and different displays may cause slight differences between the color of the item and the actual object. The allowable measurement error is ±1 - 3 cm.