Three Phase AC Electrical Equipment Indoor 40.5kv Sf6 Circuit Breaker

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

35KV indoor sulfur hexafluoride circuit breaker LN2-40.5 is an indoor device in AC 50Hz three-phase system. It can be used to protect and control electrical equipment in industrial and mining enterprises, power plants and substations. And can be used in frequent places, can also be used as a connection to the circuit breaker capacitor bank circuit breaker. LN2-35I, II, III models are equipped with CT19 spring operating mechanism (AC, DC dual-use) or CD 320 electromagnetic operating mechanism.

Service Environment

1. Indoor;
2. Ambient air temperature :-10ºC~+50ºC;
3. Altitude: does not exceed 1000m;
4. Relative humidity: the daily average is not more than 95%, the monthly average is not more than 90%;
5. The magnitude of the earthquake was no more than 8 degrees;
6. No fire, explosion, serious pollution, chemical corrosion and violent vibration.

Product Parameters

No.	Item			Unit	Data
					LN2-35 I/1250-20																LN2-35 II/1250-25	LN2-35 III/1600-31.5
1	Max. working voltage			KV	40.5
2	Rated voltage				35
3	Rated power frequency withstand voltage (1min)				95
4	Rated lightning impulse withstand voltage				185
5	Rated frequency			Hz	50(60)
6	Rated current			A	1250																1250	1600
7	Rated peak withstand current			KA	40																63	63
8	Rated short-circuit breaking current				20																25	31.5
9	Rated pull-out breaking current				4                                6.3                              6.3
10	Rated short-time withstand current				16																25	25
11	Rated operational sequence				O-0.3s-CO-180s-CO
12	Rated short-circuit duration			s	4
13	Accumulated breaking time under rated current			Time	2000
14	Motor voltage			V	DC220(AC220)
15	Rated SF6 gas pressure (20ºC gauge pressure)			MPa	0.65
16	Locking pressure (20ºC gauge pressure)				0.59
17	SF6 gas annual leakage percent				≤1%
18	SF6 gas moisture content(V/V)			u L/L	≤150
19	SF6 gas weight			Kg	1.5
20	Breaker weight				130/135

 

 

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