ZN12-40.5 indoor high voltage terasaki circuit breaker
3 phase electrical circuit terasaki circuit breaker ZN12-40.5 type circuit breaker is three-phase ac 50 hz, rated voltage of 40.5 kV indoor device. The circuit breaker of the institutions and arcing chamber system design into one, dedicated to Siemens 3 af type spring operation mechanism, adopt dual motor for ac/dc energy storage operation, also can be used for manual operation. This product design is: 350 mm, 400 mm, 460 mm distance, etc. Various alternate with the user and different types of switchgear used more convenient. JiaJi electrical professional manufacturers. Can be used in the fixed ark XGN17-40.5, also can be in JYN1 40.5, KYN10 40.5 use in the cupboard.
1, ambient air temperature: cap + 40 °C, the minimum - 10 °C, high altitude to 25 °C
2, altitude, 1000 m;
3, relative humidity, daily average no greater than 95%; On the average no greater than 90%; (+ 25 °C); Saturated vapor pressure: daily average no greater than 2.2 x 10-3 mpa, on the average no greater than 1.8 x 10-3 mpa,
4, vibration f: earthquake intensity is not more than 8 degrees; 5, does not apply to inflammable and explosive dangerous, chemical etching and the site of violent vibration.