Indoor Single Phase 27.5kv High Voltage Railway Vacuum Circuit Breaker

• Customization: Available
• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Electric Type
• Model NO.: ZN42-27.5
• 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: ISO9001-2000, CCC
• Rated Voltage: 27.5kv
• Rated Current: 630A, 1250A
• Rated Frequency: 50Hz
• Customization: Acceptable
• Language: Chinese, English, Russian
• Loading Port: It Depends
• Transport Package: Wooden Case or Others
• Specification: Designed According to Supplier Specifications
• Trademark: HZEC
• Origin: China
• Production Capacity: 300000sets/Year

Product Description

Company Profile

Henan Energy Electric Equipment Co., Ltd. was established in 2011 and is an excellent and reliable power equipment manufacturer in China. The company mainly develops and produces oil-immersed transformers, dry-type transformers, box-type substations, high-voltage switches, and medium and low voltage complete sets of equipment. The equipment put into production and operation of the project advocates energy saving, intelligence, informatization, and mechanization. The company has established the Henan Triangle Energy-saving Transformer Engineering Technology Research Center, with 71 utility model patents and 15 invention patents. With years of accumulation in the transformer industry and strong technological innovation capabilities, HZEC products are sold to the Middle East, North America, South America, Europe, Southeast Asia, Africa, and other regions, covering more than 40 countries.

Product Description

1. Product overview
ZN42-27.5 Indoor single-phase high-voltage vacuum circuit breaker (hereinafter referred to as circuit breaker) is a hand-car type structure, and special current transformer (LZBJ-27.5) can be installed on the hand-car. Circuit breaker design and manufacture conform to JB6463-92.
2. Main uses and scope of application
The circuit breaker is suitable for single-phase AC 50Hz, rated voltage 27.5kV electrified railway power supply system, as a special switch for opening and closing load and breaking fault current. It can be installed separately in the grid interval, or can be installed in the JYN 27.5 switch cabinet. The operating mechanism of the product is spring energy storage type. It can be operated electrically by AC/DC power supply or manually.

 

Service Environment

1. Indoors;
2. Ambient air temperature :-25ºC~+40ºC;
3. Altitude: common type does not exceed 1000m,
                  Plateau type not more than 3000m;
4. Relative humidity: the daily average is not more than 95%, the monthly average is not more than 90%;
5. Other environmental conditions meet the requirements of GB11022-89 and JB6463-92.

Product Parameters

 

No.	Item	Unit	Data
1	Nominal voltage	KV	27.5
2	Rated voltage	KV	31.5
3	Rated frequency	Hz	50/60
4	Rated current	A	630,1250
5	Rated short-circuit breaking current (valid)	kA	16, 25
6	Rated short-circuit CO current(peak)		40, 63
7	Rated short-circuit withstand current		16, 25
8	Rated short-circuit time lasting	s	4
9	Rated short-circuit breaking current time	Time	20
10	Rated operational sequence		O-0s-CO-180s-CO
11	Rated capacitor group breaking current	A	200
12	Allowable wear thickness	mm	4
13	Closing time	ms	≤150
14	Open  time	ms	≤60
15	Mechanical life	Time	1000
16	Storage motor power	W	350
17	Rated voltage of open/closing electromagnet	V	110/220
18	Contact distance	mm	26±1
19	Rated energy storage and operational voltage	V	220/110
20	Energy storage time	S	≤15
21	Breaking time	ms	≤65
22	Main circuit resistance	uΩ	≤50
23	Average opening speed	m/s	0.6~0.9
24	Average closing speed	m/s	1.2~1.6

 

Customer Case

 

Packaging & Shipping

After-sales Service
1.Our company provides you with project design and process design, and designs and manufactures products according to your equipment purchase plan and specific needs. And train technical and operating personnel for you.
2.The newly purchased products are provided with online assistance for installation and debugging. The products are under the lifelong service system. If problems occur in normal use, we will provide solutions within one working day after receiving user's feedback. We will try our best to get the product up and running as soon as possible. And there are regular visits by professional technicians to ensure the long-term, safe and reliable use of our products.
3.We use quality authentic materials, process and manufacture in strict compliance with ISO9001:2000 international quality management to ensure the quality of excellence and the smooth installation!

Certifications