Suitable Working Environment and Installation Condition

1. Altitude less than 2000m
2. Ambient medium temperature is from -5℃ to +40℃ (+45℃ for shipping product)
3. Humidity resistance
4. Bacteria resistance
5. Nuelear radiation resistance
6. Max lean degree is 22.5 degree.
7. Can operate normally when it comes to vibrataion of ship.
8. Can operate normally when it comes to earthquake(4g).
9. The medium should be no risk of blasting and can’t erode the metal and damage insulating gas as well as conductive dust.
10. Work in the places where is no rain and snow.

Features

1. Above MCCB can put accessories such as, UVT, Shunt, Aux, Alarm contact, Motor driven operation, Mechanism, Rotary handle.
2. Function available as over-load long-time delay, short-circuit time-delay,instant protection.
3. Earth-fault protection, Thermal analog Pre-alarm, indication, Over-current, indication operational current.

Notice

1. Ir: Adjustable setting value of over-load protection, it could be adjusted as per customer’s requirements;
2. Tr: Adjustable setting value of long time-delay operated time Tr±20%, tripping time at the status of 6Ir can be set as per customer’s requirements;
3. Is: Adjustable setting value of short time-delay current;
4. Ts: Adjustable setting value of short time-delay operated time, it is divided into two types: fixed time limit Ts (0.05s, 0.1s, 0.15s, 0.2s, 0.3s) and reverse time limit Ts (0.05s, 0.1s, 0.15s, 0.2s, 0.3s).
5. Ii: Adjustable setting value of instant current;
6. Ip: Adjustable setting value of over-load alarm current.