China Wholesale Load Break Switch Factory – 40.5kV Outdoor Vacuum Circuit Breaker – Greenpower

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China Wholesale Load Break Switch Factory – 40.5kV Outdoor Vacuum Circuit Breaker – 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）

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Reliable good quality and very good credit standing are our principles, which will help us at a top-ranking position. Adhering to your tenet of "quality 1st, purchaser supreme" for China Wholesale Load Break Switch Factory – 40.5kV Outdoor Vacuum Circuit Breaker – Greenpower, The product will supply to all over the world, such as: Curacao, French, Netherlands, Our products are exported worldwide. Our customers are always satisfied with our reliable quality, customer-oriented services and competitive prices. Our mission is "to continue to earn your loyalty by dedicating our efforts to the constant improvement of our items and services in order to ensure the satisfaction of our end-users, customers, employees, suppliers and the worldwide communities in which we cooperate".

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