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Indoor ZN39 33KV 40.5kv Draw Out Vacuum Circuit Breaker

Basic Information
Place of Origin: XIAN, China
Brand Name: XG
Certification: ISO CCC
Model Number: ZN39
Minimum Order Quantity: 1 SET
Packaging Details: WOODEN CASE
Delivery Time: 7-15 DAYS
Payment Terms: L/C, T/T, D/A, D/P, Western Union, MoneyGram
Supply Ability: 2000 SET
Detail Information
Poles Number: 3 Medium: Vacuum
Material: Galvanized Sheet Standard: GB, IEC Standard
Function: Control And Protection Installation Location: Power Plants
Warranty: 12 Months OEM: Yes
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Draw Out Vacuum Circuit Breaker


ZN39 Vacuum Circuit Breaker


XG Vacuum Circuit Breaker

Product Description

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



No. Item Unit Data
1 Rated voltage KV 40.5
2 Rated frequency Hz 50
3 Rated current A 1250,1600,2000
4 Rated short-circuit break current KA 20,25,31.5
5 Rated peak value withstand current KA 60,80
6 Rated short-circuit Breaking current times times 20
7 Rated short-circuit duration time s 4
8 Rated operation order   O-0.3s-CO-180s-CO
9 Energy-storage motor rated voltage V AC 200/DC 110
10 Mechanical life-span times 10000
11 Closing time ms ≤100
12 Break-brake time ms ≤60



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




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




Contact Details

Phone Number : +8613319220197

WhatsApp : +8613319220197