ขาย CHINT สวิตช์ปุ่มกด ไม่ส่องสว่าง รุ่น NP2-EA วัสดุพลาสติก ราคาที่ดีที่สุด

1. General Electric ratings: AC50/60Hz, AC380V/DC220V; Degree of protection: IP40; Standard: IEC/EN60947-5-1 2. Operating conditions 2.1 Ambient temperature is -5℃~+40℃,the average temperature during 24 hours couldn't exceed +35℃. 2.2 Altitude: ≤2000m. 2.3 Atmosphere condition: Relative humidity of the atmosphere couldn't exceed 50% when the highest temperature is +40℃; much higher relative humidity is allowable under the condition of lower temperature, for example, when the temperature reaches +20℃, the relative humidity is up to 90%. As for dews, which contingently appear due to change of temperature,special steps should be taken. 2.4 Pollution degree: 3 2.5 Overvoltage category: Ⅱ 2.6 Tightening torque is 0.8~1.2N·m for the cable terminals. Cross section of the cable connection is 0.5~2.5mm2, and 8mm conductor length is needed.