China Wholesale 12Kv Vacuum Circuit Breaker Supplier – 40.5kV SF6 Circuit Breaker GPFN Series – Greenpower

Short Description:

Product Detail

Product Tags

Feedback (2)

Our advantages are lessen charges,dynamic income team,specialized QC,sturdy factories,premium quality services for 24kv Insulator, Electric Circuit Breaker, Metal Clad Switchboard, We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success.

China Wholesale 12Kv Vacuum Circuit Breaker Supplier – 40.5kV SF6 Circuit Breaker GPFN Series – Greenpower Detail:

Model and Meaning

Use Environmental Conditions

a. Altitude: no more than 1000m
b. Ambient temperature: -15℃～+40℃, the daily average temperature does not exceed +35℃
c. Environmental humidity: daily average relative humidity: ≤95% monthly average relative humidity: ≤90%
Daily average vapor pressure: ≤2.2×10-3 MPa Monthly average vapor pressure: ≤1.8×10-3MPa
d. Earthquake intensity: no more than 8 degrees
e. Location of use: Ambient air is not appreciably polluted by dust, smoke, corrosive and/or flammable gases, vapors or salt mist.
Note: When the actual use environment does not meet the above conditions, please consult with our company.

Technical Parameter

No.	Items			Unit	Data
1	Rated voltage			kV	40.5
2	Rated frequency			Hz	50
3	1min power frequency withstand voltage	Between poles, To earth		kV	95
		Fractures			118
	Lightning impulse withstand voltage (peak)	Between poles, To earth			185
		Fractures			215
4	Rated current			A	1250 1600 2000 2500
5	Rated short-time withstand current (RMS)			kA	25	31.5
6	Rated peak withstand current				63	80
7	Rated short-circuit breaking current (RMS)				25	31.5
8	Rated short-circuit making current (peak value)				63	80
9	Rated short circuit duration			s	4
10	Rated sequence of operations				O-0.3s-CO-180s-CO
11	Rated out-of-phase earth fault breaking current			kA	21.7	27.4
12	Rated cable charging current switching test			A	50
13	Rated single/back-to-back capacitor bank breaking current				800/800
14	Mechanical life			times	10000
15	Short circuit current breaking times			times	30
16	Secondary circuit 1 min power frequency withstand voltage				2000
17	Rated operating voltage		Closing coil	V	DC110/220, AC220
			Opening coil	V	DC110/220, AC220
18	Rated voltage of energy storage motor			W	DC110/220, AC220
19	Rated power of energy storage motor			s	250
20	Energy storage time (rated voltage)			s	≤10
21	Rated pressure of SF6 gas (gauge pressure at 20°C)			Mpa	0.35₀^+0.02
22	Alarm pressure			Mpa	0.29±0.01
23	Minimum functional pressure (blocking pressure)			Mpa	0.28±0.01
24	Annual leak rate			%	≤0.5
25	Gas moisture content			μL/L	≤150
26	Moving contact stroke			mm	≥78
27	Contact Spacing			mm	50±1.5
28	Opening time			ms	60~78
29	Closing time			ms	65~95
30	Three-phase closing and opening are not periodic				≤5
31	Average opening speed (within 10ms after halfway)			ms	2.2~2.8
32	Average closing speed (within 10ms after half-way)			ms	≥1.5
33	Main conductive loop resistance			μΩ	≤32(Handcart)	≤20(Fixed type）

Main Structure

Product detail pictures:

Related Product Guide:

We aim to find out quality disfigurement from the production and supply the best service to domestic and overseas customers wholeheartedly for China Wholesale 12Kv Vacuum Circuit Breaker Supplier – 40.5kV SF6 Circuit Breaker GPFN Series – Greenpower, The product will supply to all over the world, such as: Norway, Mauritius, Guatemala, The design, processing, purchasing, inspection, storage, assembling process are all in scientific and effective documentary process , increasing usage level and reliability of our brand deeply, which makes us become superior supplier of the four major product categories shell castings domestically and obtained the customer's trust well.

11kv Vacuum Circuit Breaker