40.5kv Outdoor M. V. Vacuum Circuit Breaker with Spring Operation Mechanism

• Certification: CCC, ISO9001, GB
• Shell Material: Stainless Steel
• Voltage Level: Medium Voltage
• Installation: Fixed
• Structure: Withdrawable
• Current: AC
• Model NO.: Zw7-40.5
• Rated Short-Circuit Duration: 4s
• Rated Operating Voltage: 220V
• Opening Distance of Contact: 20-24mm
• Mechanical Life: 6000 Times
• Over Travel of Contact: 4-6mm
• Transport Package: Carton
• Trademark: VACEM
• Origin: Wenzhou, China
• HS Code: 85352100

Product Description

General description

Introducing the ZW7-40.5kV Series Outdoor H.V. VCB - the ultimate electrical appliance equipment for all your power needs! With its tri-phase AC 50Hz and rated voltage of 40.5kV, this high-voltage circuit breaker is a force to be reckoned with. Equipped with both spring operation mechanism and electromagnetism operation mechanism, it offers the convenience of far control electrically operated opening and closing, as well as the option for manual energy storage and manual opening and closing. Talk about versatility!
But that's not all - the design performance of the ZW7-40.5kV VCB meets the requirements of both the national standard GB1984 AC H.V. Circuit Breaker and the IEC standard IEC-65 High Voltage AC Circuit Breaker. So you can rest assured that you're getting a top-notch product that adheres to the highest industry standards.
Now, let's talk about its applications. The ZW7-40.5kV vacuum circuit breaker is specifically designed for outdoor use in 40.5kV power transformer systems. It's perfect for control and protection purposes, making it an ideal choice for normal operation and short circuit protection in city and township power distribution networks, as well as in various industries and mining enterprises. This circuit breaker is truly a game-changer!
When it comes to structure, the ZW7-40.5kV VCB boasts a porcelain insulator column type design. The upper porcelain insulator houses the vacuum interrupter, while the lower porcelain insulator serves as the prop porce. This thoughtful design ensures optimal performance and durability.

So, if you're in need of a reliable and efficient outdoor vacuum circuit breaker, look no further than the ZW7-40.5kV Series Outdoor H.V. VCB with Spring Operation Mechanism. It's the perfect solution for all your power control and protection needs. Don't miss out on this incredible product - get yours today!

Main technical parameter

 

Item			Unit	Data
Rated voltage			kV	40.5
Rated current			A	1600	2000
Rated short circuit breaking current			kA	25	31.5
Rated short circuit making current (peak)			kA	63	80
Rated short time withstand (thermal stable) current			kA	25	31.5
Rated peak value withstand(dynamic) current			kA	63	80
Rated short-circuit duration			S	4
Rated insulation level	Lightning impulse withstand voltage (peak)		kV	185
Rated insulation level	1min power frequency withstand voltage	Dry type	kV	95
Rated insulation level		Wet type	kV	80
Rated operation sequences				O-0.3s-CO-180s-CO
Breaking times of rated short-circuit breaking current			time	20
Full breaking time(to match spring operating device)			ms	≤80
Mechanical life			time	6000
Rated operating voltage			V	220
Opening distance of contact			mm	22±2
Over travel of contact			mm	5±1
Bounce time			ms	≤5
Each phase circuit DC resistance			μΩ	≤120
Outline dimension(length×height×width)			mm	2335×2275×500
Whole weight of circuit breaker and mechanism			kg	1100

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