1. Environment Temperature: -50~+70℃. 2. Relative Humidity: The temperature is + 40 ℃ could reach 98%. 3. Atmospheric Pressure: 4、4kpa. 4. Vibration: Vibration frequency is 10 ~ 100 Hz,accelerated speed is 100 m/s2. 5. Impact: Frequency is 60 ~ 80 times/min, the acceleration is 250 m/s2. 6. Centrifugal: Acceleration is 250 m/s2. Feature: 1. Rated Voltage: 400V. 2. Rated Current: 5A. 3. Contact Resistance: ≤0.005 Ω. 4. Insulation Resistance:Normal conditions no less than 1000 m Ω,Not less than 20 m Ω after the constant temperature test. 5. Testing Voltage: (50 Hz, RMS) Normal conditions 1500V,After constant temperature test 1200V. Packaged .: