1. Indoor Application ZN39 Series 33KV 40.5kv Draw Out Vacuum Circuit Breaker

ZN39-40.5 type indoor high voltage vacuum circuit breaker is ac 50 hz, rated voltage 40.5 kV indoor high-voltage power distribution equipment. With JYN1-35, the GBC - 35 switchgear systems.

circuit breaker adopts the air circuit breaker under the condition of meet the normal operation of the air distance and the creepage distance requirements,

2. Environmental Conditions

• Altitude:≤1000m
• Earthquake intensity:≤8 degree
• Ambient temperature: -25℃~ +40℃(conveyance under -30°C is allowed)
• Relative humidity:daily average relative humidity: ≤95%; monthly average relative humidity≤90%; daily average saturated vapor pressure ≤2.2KPa; monthly average value ≤1.8KPa
• The installation should be free from fire, explosion, severe vibration, chemical corrosion and serious pollution.

3. Technical Data

4. Standards

• GB1984 <AC high voltage circuit breaker >
• JB3855 <3.6-40.5 KV indoor AC high voltage vacuum circuit breaker>
• DL/T403< Ordering technical conditions of 12-40.5 KV indoor AC high voltage vacuum circuit breaker>

5. Application

ZN39-40.5 vacuum circuit breaker is the indoor high voltage high voltage distribution equipment with 40.5KV rated voltage, three phase AC 50HZ. It applies to mobile metal closed switchgear cabinet JYNI-35 and high-voltage switchboards GBC. The product matches to the items of GB1984 <AC high voltage circuit breaker >. Accessory product: Hand Cart and PT Cart. This kind was installed CD10Ⅲ electromagnetic operating mechanism or CT19N spring operating mechanism with reliable interlocking device.

6. Advantages

• Small volume and simple structure
• Easy maintenance and long service life
• Flexible installation
• No explosion danger and no pollution
• High reliability and stable performance

7. Photo and drawing