New Delivery for Low Voltage Power Capacitor - ZW7/CT(built-out) 40.5kV Outdoor Transformer Substation Vacuum Circuit Breaker – Aiso

We've got quite possibly the most state-of-the-art production gear, experienced and qualified engineers and workers, acknowledged top quality handle systems along with a friendly expert gross sales group pre/after-sales support for Current Transformer In Hindi, Lightning Arrester Types, 33kv Potential Transformer, We welcome you to join us in this path of creating a prosperous and efficient business together.

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New Delivery for Low Voltage Power Capacitor - ZW7/CT(built-out) 40.5kV Outdoor Transformer Substation Vacuum Circuit Breaker – Aiso Detail:

40.5kV Breaker Product Structure

ZW7A-40.5 Series outdoor high voltage vacuum circuit breakers main switchgear of AC50Hz, 40.5KV, which is assembled with spring operating or electromagnetic operating mechanism. It can be operated to switch on/off by remote control, and it is also charged and switched on/off by hand. The design function of breaker complies with the requirements of GB1984-89 and IEC56 “AC high voltage circuit breaker”, it is mainly used in outdoor 35KV distribution system to control and protect, also for normal operating and protecting short circuit of urban,rural network, or industrial enterprises. Its overall structure is supported by porcelain insulator, vacuum interrupter built in upper insulator, downside insulator used for supporting. The breaker applies

frequent operating places with the advantages of good sealing anti-aging, high-voltage withstand, non flame, non explosion long working life, easy installation and maintenance and etc.

 

40.5kV Circuit Breaker Product Feature

For frequent operation place

Good sealing, anti-aging, high pressure, no burning, no explosion, long life, convenient installation and maintenance features

 

Vacuum Switch Ambient Condition

1, Altitude:not exceed 1000m

2, Ambient temperature:not higher than +40°C,not less than – 15°C

3,Relative humidity:daily average relative humidity:≤95%;monthly average relative humidity :≤95%;monthly avergae relative humidity ≤90%, daily avergae saturated vapor pressure ≤2.2KPa;monthly average value: ≤1.8KPa.

4, Earthquake intensity: ≤8 degree

5, The installation should be free from fire,explosion,severe vibration,chemical corrosion and serious pollution.

 

Technical parameters

Item	Description			Data
1	Rated voltage(KV)			33/35
2	Rated insulation level(KV)	1min withstand voltage	Dry	95
			Wet	80
		Lightning impulse withstand voltage(peak)		185
3	Rated current(A)			630
4	Rated short circuit breaking current(KA)			20/25/31.5/40
5	Rated operating sequence			OC-0.3s-CO-180S-CO
6	Rated short-circuit opening times			20
7	Rated short circuit closing current(peak)(KA)			50/63/80
8	Rated peak withstand current(KA)
9	Rated short-circuit withstand current(KA)			20/25/31.5
10	Rated duration of short-circuit(S)			4
11	Aveage breake speed(m/s)			1.5±0.2
12	Average closing speed(m/s)			0.7±0.2
13	The jump time of contact close breake(ms)			≤2
14	Time difference of closing(breaking) three phase at the same time(ms)			≤2
15	Closing time(ms)			≤150
16	Opening time(ms)			≤60
17	Mechanical life			10000
18	Rated operating voltage and aux circuit rated voltage(V)			DC110/220
				AC110/220
19	DC resistance of circuit for every phase(S)			≤100
20	Contacts limit erosion(A)			3
21	Weight(KG)			1100

Outline dimension

 

 

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Product detail pictures:

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