Product Details

Product Name: Outdoor 33kv Vacuum Circuit Breaker With CT and PT ZW7-40.5

Type: Circuit Breaker

Parameters:

Outdoor 33kv Vacuum Circuit Breaker With CT and PT ZW7-40.5

ZW7-40.5 series outdoor high voltage vacuum circuit breaker is three phase AC 50Hz, rated voltage is 40.5kV outdoor high-voltage electrical equipment , attached the spring operator or electromagnetic actuator can be well controlled electric opening and closing can also be Manual storage, manually open and close. Design performance meet GB1984-89<<AC high voltage circuit breakers>>; national standards, and meet the IEC-56<<high-voltage AC circuit breakers>>; International Electro-technical Commission standards. ZW7-40.5 Type vacuum circuit breaker is mainly used for outdoor 35kV power transmission system control and protection also applies to urban and rural power distribution networks and industrial and mining enterprises in the normal operation and short circuit protection purposes. The overall structure of the insulator pillar product type; built vacuum interrupter type on the vase, porcelain vase for the next pillar vase. For frequent operation place. And has good sealing, anti-aging, high pressure, no burning, no explosion, long life, convenient installation and maintenance features.

Mainly Technical parameters

Item			Unit	data
Rated voltage			kV	40.5
Rated insulation level	1min power frequency withstand voltage	dry	kV	95
	1min power frequency withstand voltage	wet		80
	Lightning impulse withstand voltage (peak)			185
Rated current			A	1250,1600,2000
Rated short-circuit breaking current			kA	20,25,31.5
Rated operating sequence				O-0.3s-CO-180s-CO
Rated short-circuit breaking current breaking times			times	20
Rated short- circuit closed current (peak)			kA	50,63,80
Rated peak withstand current			kA	50,63,80
Rated short-time withstand current			kA	20,25,31.5
Rated short-circuit duration			s	4
Average opening speed			ms	1.5±0.3
Average closing speed			ms	0.6±0.3
Contact closing bounce duration			ms	≤5
Three phase closing and opening synchronism			ms	≤2
Opening time			ms	≤90
Closing time			ms	≤60
Mechanism life			times	10000
Rated operating voltage and auxiliary loop rated voltage			V	DC 110/220
Rated operating voltage and auxiliary loop rated voltage			V	AC 110/220
Phase loop DC resistance (without current transformer)			µΩ	≤100
Permitted accumulate wear-thickness of dynamic and static contact			mm	3
Weight			kg	800

Outdoor 33kv Vacuum Circuit Breaker With CT and PT ZW7-40.5 :

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Certificate:

Trade Terms :

1.Payment : T/T,L/C
2.Sample lead time: 1-3days
3.Production lead time: for 100~500pcs1- 7days ;500~1000pcs 3-14days
4.Shipping freight are delivered under your requests
5.Shipping port :shenzhen ,mainland china
6.Discounts are offered based on order quantities
7.Minimum Quantity:1pcs-10pcs (accepted sample :1-10pcs)
8.Logo: According to your requirement
9.Packaging: 1pc /gift box/white mail order box
10.Shipping: By Express(EMS,DHL,UPS,ARAMEX), By Air or By Sea

Our service:

1.You inquuiry related to our products or prices will be replied in 24hours
2.Well-trained and experienced staffs to answer all your enquires in fluent english
3.OEM & ODM, any your costomized lighings we can help you to design and put into product
4.Distributoershio are offered for your unoque design and some our current models
5.Protection of you sales area ,ideas of design and all your private information

Buy recommendation :

1. Our all items are 100% authentic ,please provide details of the address before purchase , So we can calculate the shipping discounts and the best transportation.
2. According to the customer's requirement ,different specifications of the items can be mixed shipments and lower freight.
3.Only wholesale, if require samples, please contact us,If you have any questions or suggestions. Please Contact us freely.

Quality & Prices:

We have to sell items with top quality because we want to keep every customer as our long-term business partner.

We have to set low competitive prices because we need to attract buyers to this new store.

We will ship your items on time when you place your order . We know time is important for you.

After Delivery

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