Zn85 Indoor 40.5kv 3150A Solid Sealing Vacuum Circuit Breaker for Kyn61 Switchgear

• Customization: Available
• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Spring Mechnism
• Model NO.: VS1-40.5
• Arc-extinguishing Medium: Vacuum
• Installation: Handcart Type
• Structure: Vcb
• Poles Number: 3
• Type: Circuit Breaker
• Function: Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)
• Certification: ISO9001-2000, CCC, Type Testing
• Rated Voltage: 40.5kv
• Rated Current: 630A-4000A
• Rated Short Time Withstand Current: 20-40ka
• Pole Distance: 280/350mm
• Transport Package: Normal Export Case
• Trademark: Volcano Electrical
• Origin: China
• HS Code: 8535210000

Product Description

Product Description

The ZN85 (modular)-40.5 indoor AC high-voltage Handcart type vacuum circuit breaker (hereinafter referred to as circuit breaker) is a new generation of indoor switchgear with three-phase AC 50Hz and rated voltage of 40.5kV, which is developed according to the unique design concept and combined with the market demand, and is available for industrial and mining enterprises, power plants and transformer substations as the control and protection of electrical equipment and suitable for places with frequent operation.

Structural characteristics
1. The circuit breaker adopts a modular operating mechanism, with a reasonable, beautiful, and concise overall layout;
2. The electrical components adopt modular design, which is easy to disassemble and replace damaged electrical components;
3. High lifespan, circuit breaker meets mechanical lifespan M2 level and electrical lifespan E2;
4. Having excellent breaking performance, it can ideally meet both inductive and capacitive loads;
5. Strong universality and adaptability to mainstream switchgear, can also be used separately, and can be interchanged with similar domestic products;

Supporting products: fuse handcart, isolation handcart, and voltage transformer handcart, etc.

Detailed Photos

Outline Drawing

 

Product Parameters

Technical Specifications

 

No.	Item	Unit	Data
1	Rated voltage	kV	40.5
2	Rated Current	A	630/1250/1600/2000/2500/3150
3	Rated Frequency	Hz	50/60
4	Rated short circuit current	kA	20/25/31.5/40
5	Rated short time withstand current(4s)	kA	20/25/31.5/40
6	Rated peak withstand current	kA	50/63/80/100
7	Rated power frequency withstand voltage	kV	95
8	Rated lightning impluse withstand voltage	kV	185
9	Rated operating sequence		O-0.3S-C&O-180S-C&O
10	Mechanical life endurance	time	10000
11	Rated short circuit opening current frequancy	time	50
12	Rated voltage of operating mechanism(DC)	V	110/220
13	Open contact clerance	mm	20+2
14	Super stroke	mm	3.5+0.5
15	Time differential among phases	ms	≤2
16	Bounce time of closing contacts	ms	≤3
17	Average opening speed	ms	1.3-1.9
18	Average closing speed	ms	0.6-1.3
19	Opening time	ms	≤50
20	Closing time	ms	≤100

Environmental Conditions

 

1. Ambient temperature: not higher than +40 ºC, not less than -15 ºC (at -30  ºC to allow storage and transportation).
2. Altitude: not exceed 1000m.
3. Earthquake intensity: not more than 8 degree.
4. Wind pressure:≤700pa
5. No fire, explosion hazard, serious filthy, chemical corrosion, as well as places of intense vibration
 

Company Profile

 

Zhejiang Volcano Electrical is a professional factory for prodcuing 10-40.5kV electrical equipments for power transmission, including all types of indoor&outdoor vacuum circuit breakers, automatic current recloser, SF6&vacuum load break switch, isolating switch, earthing switch, air&gas insulated switchgear, vacuum interrupters, fuse cutouts and lightning arresters.
The factory is located in Yueqing, the famous town for all types of low and high voltage electrical parts.It occupies square more than 10000m^2, and has developed several international production line. We have made constant efforts to improve product quality and service. To offer best quality with our best service to get a win-win solution is our main principal.

Certifications