✅ Voltage: The voltage continuously applied between the SPD terminals does not exceed the maximum continuous working voltage Uc
✅ The altitude should not exceed 2000m
✅ Ambient air chlorine temperature: normal range -5°C~+40°C, extreme range -40°C~+85°C.
✅ Relative humidity: should be between 30% and 90% at room temperature
✅ The SPD adopts 35mm standard guide rail to install the product in the distribution cabinet or box of the distribution box.
✅ The connecting line should be as short as possible, and the total length should be less than 0.5m