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TIANAN VT19-12/24 High Voltage Vacuum Circuit Breaker with 12/24 kV Rated Voltage and 75/125 kV Lightning Impulse Withstand Voltage for 50 Hz Power Systems
TIANAN VT19-12/24 High Voltage Vacuum Circuit Breaker with 12/24 kV Rated Voltage and 75/125 kV Lightning Impulse Withstand Voltage for 50 Hz Power Systems
TIANAN VT19-12/24 High Voltage Vacuum Circuit Breaker with 12/24 kV Rated Voltage and 75/125 kV Lightning Impulse Withstand Voltage for 50 Hz Power Systems
TIANAN VT19-12/24 High Voltage Vacuum Circuit Breaker with 12/24 kV Rated Voltage and 75/125 kV Lightning Impulse Withstand Voltage for 50 Hz Power Systems
Specifications
Altitude :
≤1000 M
Rated operation sequence :
O-0.3s-CO-180s-CO
Environment temperature :
-15℃~+40℃
Closing time :
30~70 Ms
Supply Ability :
300 SETS/YEAR
Rated frequency :
50 Hz
Overtravel :
3.5±0.5 Mm
Opening time :
15~45 Ms
Average opening speed :
12 KV/0.9~1.3 ; 24kV/1.1~1.6 M/s
Brand Name :
TIANAN
Model Number :
VT19-12/24
Place of Origin :
CHINA
Certification :
GB
MOQ :
1 SETS
Price :
To be pending
Packaging Details :
WOODEN CASE
Delivery Time :
According to the fact
Payment Terms :
L/C,T/T
Description
12/24 KV High Voltage Circuit Breaker with 75/125 KV Rated Lighting Impulse Withstand Voltage
TIANAN VT19-12/24 High Voltage Vacuum Circuit Breaker | 12/24 kV 50 Hz Indoor Power Distribution Protection
Brand: TIANAN | Model: VT19-12/24 | Origin: China | Certification: GB
Product Overview
The TIANAN VT19-12/24 High Voltage Vacuum Circuit Breaker is designed for 12kV and 24kV power systems, with reliable operation at altitudes up to 1000 meters and seismic resistance below Grade 8. It is widely used in substations, industrial facilities, renewable energy plants, and commercial buildings, providing precise short-circuit protection and overload isolation for high-voltage distribution networks.
Technical Specifications
Parameter Specification
Ambient Temperature Range -15℃ ~ +40℃
Rated Voltage 12 / 24 kV
Rated Frequency 50 Hz
Maximum Altitude ≤ 1000 m
Earthquake Resistance < Grade 8
Average Opening Speed 12kV: 0.9~1.3 m/s
24kV: 1.1~1.6 m/s
Average Closing Speed 12kV: 0.4~0.8 m/s
24kV: 0.6~1.0 m/s
Opening Time 15~45 ms
Closing Time 30~70 ms
Overtravel 3.5 ± 0.5 mm
Rated Operation Sequence O-0.3s-CO-180s-CO
Rated Lightning Impulse Withstand Voltage 75 / 125 kV
Applications
  • Power Substations
  • Industrial Plants
  • Renewable Energy Projects (Wind/Solar)
  • Commercial Buildings
  • Mining & Metallurgy
Ordering & Logistics
Minimum Order Quantity: 5 sets
Packaging: Wooden pallet
Delivery Time: Subject to actual order
Price & Payment: To be negotiated
Technical Support & Services
Installation guidance, fault diagnosis, maintenance recommendations, operator training, remote monitoring, on-site repair and replacement.
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TIANAN VT19-12/24 High Voltage Vacuum Circuit Breaker with 12/24 kV Rated Voltage and 75/125 kV Lightning Impulse Withstand Voltage for 50 Hz Power Systems

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Product Detail
Altitude :
≤1000 M
Rated operation sequence :
O-0.3s-CO-180s-CO
Environment temperature :
-15℃~+40℃
Closing time :
30~70 Ms
Supply Ability :
300 SETS/YEAR
Rated frequency :
50 Hz
Contact Supplier
TIANAN VT19-12/24 High Voltage Vacuum Circuit Breaker with 12/24 kV Rated Voltage and 75/125 kV Lightning Impulse Withstand Voltage for 50 Hz Power Systems
TIANAN VT19-12/24 High Voltage Vacuum Circuit Breaker with 12/24 kV Rated Voltage and 75/125 kV Lightning Impulse Withstand Voltage for 50 Hz Power Systems

Ningbo Tianan (Group) Co.,Ltd.

Verified Supplier
10 Years
zhejiang, ningbo
Since 1969
Business Type :
Manufacturer, Exporter, Trading Company, Seller
Main Products :
Compact Transformer Substation, Mobile Transformer Substation, Cast Resin Dry Type Transformer
Total Annual :
250000000-300000000
Employee Number :
3000~3500
Certification Level :
Verified Supplier
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