VX1-40.5kV Vacuum Circuit Breaker with Modular Spring Operating Mechanism

Negotiable
China
No.6 Xianghai Road, Xiamen Torch High-tech Zone (Xiang'an) Industrial Park
+86 592 3671600
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Product Introduction

The VX1-40.5kV vacuum circuit breaker is the perfect combination of advanced cast pole technology and a stable and reliable modular operating mechanism, with excellent electrical and mechanical performance. It is suitable for power transmission and distribution systems in power plants and substations, as well as urban infrastructure, metallurgy, petrochemical, mining plants, etc., as protection and control switchgear for loads such as transformers, motors, and capacitors, and for power transmission and distribution lines. The product has extremely high operational reliability and service life, and is maintenance-free for life; it also has perfect mechanical and electrical interlock devices to ensure the safety of operators and equipment and ensure safe power use.

The VX1-40.5kV vacuum circuit breaker has excellent safety and reliability performance. At the same time, it fully considers the needs of actual domestic applications and can better meet domestic usage and operating conditions.

 

Product Parameters
Parameter Name Unit Parameter Value
Rated Voltage Ur kV 40.5 
Rated Insulation Level Lightning Impulse Withstand Voltage
Up (peak)
kV General Value Across Isolation Contacts
185  215 
Rated Short-time Power Frequency Withstand
Voltage Ud (rms)
kV General Value Across Isolation Contacts
95  118 
Rated Frequency fr Hz 50、60
Rated Operating Sequence Automatic Reclosing   O-0.3s-CO-180s-CO
Non-automatic Reclosing   O-180s-CO-180s-CO
Mechanical Life Times 10,000/M2 Class
Electrical Life  Times E2 Class
Number of Rated Short-circuit Breaking Current Operations  Times ≥30
Contact Gap mm 19±1
Contact Overtravel mm 6±2
Closing Time ms 35~50
Opening Time ms 40~60
Closing Bounce ms ≤2 for 2000A and below, ≤3 for above 2000A
Opening Rebound mm ≤3
Closing Asynchrony ms ≤2
Opening Asynchrony ms ≤2
Closing Speed m/s 0.4-1.6
Opening Speed m/s 1.1-1.9
Rated Current Ir(A) 630  1250  1600  2000  2500  3150 
Rated Short-circuit Breaking Current Isc(kA) 20 
25  25  25  25  25  25 
31.5  31.5  31.5  31.5  31.5 
Rated Short-time Withstand Current (4s) lk(kA) 20 
25  25  25  25  25  25 
31.5  31.5  31.5  31.5  31.5 
Rated Peak Withstand Current lp(kA) 50 
63  63  63  63  63  63 
80  80  80  80  80