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GB 1984 50Hz 40.5KV Indoor Vacuum Circuit Breaker

GB 1984 50Hz 40.5KV Indoor Vacuum Circuit Breaker

  • GB 1984 50Hz 40.5KV Indoor Vacuum Circuit Breaker
  • GB 1984 50Hz 40.5KV Indoor Vacuum Circuit Breaker
  • GB 1984 50Hz 40.5KV Indoor Vacuum Circuit Breaker
  • GB 1984 50Hz 40.5KV Indoor Vacuum Circuit Breaker
GB 1984 50Hz 40.5KV Indoor Vacuum Circuit Breaker
Product Details:
Place of Origin: Ningbo,China
Brand Name: Suntech
Certification: ISO
Model Number: ZN85-40.5
Payment & Shipping Terms:
Minimum Order Quantity: 1 PCS
Price: Negotiation
Packaging Details: Exported Wooden Boxes
Delivery Time: 30-35 days after Payment
Payment Terms: L/C , T/T, Western Union, MoneyGram
Supply Ability: 20000 pcs per month
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Detailed Product Description
Type: Vacuum Circuit Breaker Rated Voltage: 40.5KV
Ambient Temperature: -40°C-+40°C Altitude: ≤1000m
BCD Curve: A Rated Frequency: 50/60HZ
High Light:

40.5KV Indoor Vacuum Circuit Breaker

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50Hz Indoor Vacuum Circuit Breaker

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40.5KV High Voltage Circuit Breaker

High Voltage 40.5KV Indoor Vacuum Circuit Breaker

 

ZN85 indoor hghvoltage alternating-current vacum crcit breaker has a frequency of 50Hz and a rated vlage of 40.5kv. It aplies to the electrical equipment control and protection in industrial and mining enterprises, power plants and substations, particularly to the places needing frequent operatin. It can be fixed in a switch cabinet or itatled on a handcart.

With stable performance and convenient inalatin, it is the best choice for the control and protecion of high-voltage power trasmission and distribution systems.

 

Overall dimension of ZN85 -40 5(insulating cylinder handcart) indoor high-voltage alternating-current circuit breaker

GB 1984 50Hz 40.5KV Indoor Vacuum Circuit Breaker 0

1.1 Technical parameters

ltem Unit Reference value
Rated voltage kV 40.5
Rated insulation level Lightning impulse withstand voltage kV 185
1min power-frequency withstand voltage kV 95
Rated frequency Hz 50/60
Rated current A 630/1250/1600/2000/2500/3150
Rated short-circuit breaking current kA 20/25/31.5
Rated short-circuit making current (peak value) kA 50,63,80
Rated short-time withstand current kA 20/25/31.5
Rated withstand current (peak value) kA 50,63,80
Required operation sequence   O-0.3s-CO-180s-CO
Rated short-circuit duration s 4
Times of making-breaking with the rated short-circuit current Times 30
Mechanical life   M2 level
Weight kg 350

1.2 Mechanical parameters

Item Unit Reference value
Gap of contacts mm 20±2
Contact overtravel mm 6±1
Average making speed m/s 0.6±0.2
Average breaking speed m/s 1.5-2.0
Bounce time in contact making ms ≤3
Non-synchronous making/breaking of contact ms ≤2
Resistance of the circuit of each phase μΩ ≤80
Permissible total wear thickness of the movingfixed contact mm 3

 

Standard

1. IEC 62271-100 High-voltage aternatingcurrent crcuit-reakers3.6 kV and less than 40.5 kV

2. GB/T 11022-2011 Common specifications for high-voltage switchgear and controlgear standards

3. GB 1984 High-voltage ateratingcrrent crcuitbreakers

4. GB 311.1 Insulation co-ordination for high voltage transmission and distribution equipment

Operating conditions

1. Ambient temperature: - 40℃-+40℃ (below 35℃ within 24 hours)

2. Relative humidity:≤95% (daily average) or≤90% (monthly average)

3. Altitude: ≤1000m

 

Contact Details
Ningbo Suntech Power Machinery Tools Co.,Ltd.

Contact Person: Peter

Tel: 86-13958364836

Send your inquiry directly to us
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