Zw7-40.5/35kv Series Outdoor High Voltage Vacuum Circuit Breaker

• Customization: Available
• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Electric Type
• Model NO.: ZW7-40.5/35kv
• Speed: Normal Type Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Fixed
• Structure: ACB
• Poles Number: 3
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection), RCCB
• Certification: VDE, ISO9001-2000, CE, CB, CCC
• Transport Package: Customized
• Specification: customized
• Trademark: CHSH
• Origin: China, Zhejiang, Wenzhou, Yueqing
• Production Capacity: 3000
• Package Size: 120.00cm * 110.00cm * 90.00cm
• Package Gross Weight: 35.000kg

Product Description

Product Description

 

summarize
ZW7-40.5/35 series outdoor high-voltage vacuum circuit breaker is used in three-phase power system with 50HZ, rated voltage of 40.5KV and rated voltage of 40.5kv, as division, combined load current, overload current and short-circuit current.
 

Main technical parameters

Number	Designation			Unit	Data
1	rated  voltage			KV	40.5
2	rated insulation level	1min power frequency withstand voltage	Dry test	KV	80
		Lightning impulse withstand voltage	Wet test		185
3	rated current			A	630,1250,1600,2000
4	Rated short-circuit breaking current			KA	20,25,31.5
5	Rated operating sequence				Minute -0.3s- combined minute -180s- combined minute
6	Rated short circuit breaking current number			next	12
7	Rated short-circuit closing current			KA	50,63,80
8	Rated peak withstand current			KA
9	rated short time current			KA	20,25,31.5
10	rated duration of short-circuit			S	4
11	clearance between open contacts			mm	22±2
12	Contact overtravel			mm	4±1
13	Average opening speed			m/s	1.5±0.2
14	Average opening speed			m/s	0.7±0.2
15	Contact closing bounce time			ms	≤2
16	Three phase station switching synchronous time difference			ms	≤2
17	closing time			ms	≤150
18	opening time			ms	≤60
19	mechanical life			next	10000
20	Rated operating voltage Rated voltage of the auxiliary loop			V	DC110/220,AC110/220
21	Dc resistance per phase loop				≤100
22	reset			kg	800

Production picture

Company Profile

 

Shenheng Power Equipment Co., Ltd. is located in the well-known "capital of China's electrical appliances", Yueqing City, Zhejiang Province, adjacent to the coast of the East China Sea and Oujiang River in the South and Yandang Mountain, a national scenic spot of "wonderful beauty in the world" in the north. It is one of the professional production enterprises specializing in the production of high and low voltage switch transmission and distribution equipment and high and low voltage electrical components. The products produced by the company, such as fully insulated and fully sealed inflatable cabinet, intelligent solid insulated ring network cabinet, outdoor high-voltage cable branch box and box substation, have stable and reliable quality and are deeply trusted and recognized by our customers. The main products manufactured by the enterprise include ring cage, box type substation, high-voltage switchgear, cable branch box, 10kV amorphous transformer, 10kV oil immersed transformer, 10kV dry transformer, JP cabinet, low-voltage switchgear, circuit breaker on column, primary and secondary integration into ring cage, primary and secondary integration circuit breaker on column and other power transmission and distribution equipment. For a long time, the enterprise has also provided high-quality complete sets of power transmission and distribution devices and electrical control equipment for various industries such as metallurgy, shipbuilding, electric power, mining, intelligent buildings, high-rise buildings, hospitals, colleges and universities. The enterprise has strong technical force, sophisticated process equipment, advanced and perfect testing means, and its products sell well all over the country, which has won the favor and praise of the majority of users.
 

Company workshop

 

FAQ

 

1. who are we?
We are based in Zhejiang, China, start from 2012,sell to Domestic Market(00.00%). There are total about 101-200 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
Substation, Transformer, Ring Main Unit, Switchgear, Vacuum Circuit Breaker

4. why should you buy from us not from other suppliers?
Professional manufacturer of medium and high voltage switches,Ring network cabinet.We have a professional design and R & D team.

5. what services can we provide?
Accepted Delivery Terms: FOB,EXW,DDP;
Accepted Payment Currency:USD,EUR,CNY;
Accepted Payment Type: T/T,Western Union;
Language Spoken:English,Chinese,Spanish,Japanese,German,French,Russian