Ningbo Suntech Power Machinery Tools Co., Ltd.

Professional Overhead Line Stringing Tools Manufacturer.

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3 Phase WiFi 1250A Circuit Breaker For Overhead Line

3 Phase WiFi 1250A Circuit Breaker For Overhead Line

  • 3 Phase WiFi 1250A Circuit Breaker For Overhead Line
  • 3 Phase WiFi 1250A Circuit Breaker For Overhead Line
3 Phase WiFi 1250A Circuit Breaker For Overhead Line
Product Details:
Place of Origin: Ningbo,China
Brand Name: Suntech
Certification: ISO
Model Number: ZW32-40.5
Payment & Shipping Terms:
Minimum Order Quantity: 1 PCS
Price: Negotiation
Packaging Details: Exported Box and carton
Delivery Time: 30days after Payment
Payment Terms: L/C , T/T, Western Union, MoneyGram
Supply Ability: 50000 pcs per month
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Detailed Product Description
Item: Vacuum Circuit Breaker Name: AC Vacuum Circuit Breaker
Ambient Temperature: -40°C-+40°C Altitude: ≤2000m
Material: Stainless Steel Or Hot-dip Galvanized Steel. Wind Speed: 34m/s
High Light:

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ZW32-40.5 outdoor high-voltage alternating-current vacuum circuit breaker is a new outdoor high-voltage alternating-current switchgear of our vacuum circuit breaker series. Its rated voltage is 40.5kV. It applies to places with such voltage level, including overhead lines, industria and mining enterprises, power stations, substations, etc. Under its normal operating conditions and specified technical parameters, it can the system protection requirements of the grid. It is charaterized by automatic re-making, stble operation and long elecric life.


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
Rated short-circuit breaking current kA 20/25/31.5
Rated short-circuic 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
Rated 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 280



1. IEC 62271-100 High-voltage switchgear and controlgear

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

3. GB 1984 High-voltage alternating-current circuit-breakers

4. GB311.1 Insulation co-ordination for high voltage transmission and distribution equipment

Ambient condition

1. Altitude: ≤ 2000m

2. Ambient temperature: -40°C~+40°C

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

4. Ambient pllution: IV

5. Wind speed:≤34m/s (equivalent to a pressure of 700pa on a cylindrical surface) .



3 Phase WiFi 1250A Circuit Breaker For Overhead Line 0

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

Contact Person: Peter

Tel: 86-13958364836

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