Permanent Magnet Mechanism Reliable Electrical Vcb Vacuum Circuit Breaker for Substations

Product Description

Product Description

ZW32 outdoor high-voltage AC vacuum circuit breaker for the rated voltage 12kv, three-phase AC 50HZ outdoor high-voltage power distribution device. It is in line with national standards GB1984-2014 "High Voltage AC Circuit Breaker", JB/T3855-2008 "High Voltage AC Vacuum Circuit Breaker", DL/T 403-2000 "12kV~40.5kV High Pressure Vacuum Circuit Breaker Ordering Technical Requirements" of the relevant provisions.
It adopt the unique designed permanent magnet operating mechanism system and high-reliable intelligent controller, suitable for the use of Open/Close of load current, overload current and short circuit current in power distribution device, rural power grid, substation and industrial mining enterprises. Can Auto-reclose 0-3 times.
 

 

Design Highlights

1. High Reliability
2. Free of Maintenance during whole Mechanism life
3. High Mechanism Life and Electric Life
4. Small in Size, Light Weight, Easy to Install
5. Standard Relay Protection and Fast Reclose Function 

Product Parameters

 

 

No			unit	Standard parameter values
1.1	Vacuum Circuit Breaker
1.1.1	Model No			ZW32
1.1.2	Switching structure	Transformer form		Strut external,common box internal
		Insulating Material		Silicone rnubber over epoxy resin
1.1.3	Dielectric			Air
1.1.4	Rated Voltage		kV	12
1.1.5	Rated Current		A	630
1.1.6	Rated cable charging and breaking current		A	25
1.1.7	Rated short-circuit breaking current		kA	20,16
1.1.8	Temperature rise test current			1.1Ir
1.1.9	Rated frequency 1 min withstand voltage	Relative to/Between	kV	42
		Intermittent	kV	48
1.1.10	Rated lightning impulse withstand voltage(1.2/50μs)Peak value	Relative to/Between	kV	75
		Intermittent	kV	85
1.1.11	Rated short-time withstand current and duration		kA/s	20/3
1.1.12	Rated peak withstand current		kA	50
1.1.13	Rated short-circuit breaking current		kA	20
1.1.14	Rated short-circuit closing cunrent		kA	50
1.1.15	Main circuit resistance		μΩ	Bidder provide
1.1.16	Mechanical stability		times	≥10000 No load(5 cycles)
1.1.17	Minimum creepage distance for external insulation		mm	372
1.1.18	Rated short-circuit breaking curent breaking times		times	≥30times
1.1.19	Closing and opening not synchronized		ms	≤2
1.1.20	Contact closing bounce time		ms	≤2
1.1.21	Partial discharge(1.1Ur)		pC	≤20
1.2	Operating Mechanism
1.2.1	Type			Sprung
1.2.2	Operating Method			Motorized with manual operation
1.2.3	Motor Voltage		V	DC24
1.2.4	Instantaneous power of opening and closing		W	≤480
1.2.5	Duration of energy storge		s	≤15
1.2.6	Energy storage power		W	≤240
1.2.7	Closing and opening peak current		A	≤20
1.2.8	Auxiliary contact capacity			DC24V,10A
1.2.9	DC resistance of telecommunication circuit			After 100times operations<192
1.3	Transformer combination mode			Includes current transformers.electronic zero sequence voltage transformers,and electromagnetic voltage transformers.
1.4	Current Transformer
1.4.1	Rated current ratio			(1)Phase current 600A/5A (2)Zero sequence current 100A/1A
1.4.2	Accuracy Level			(1)phase current protection 5P10level,measurement 0.5S (2)Zero sequence current use 100A/1A When the input current on the primary side is 1A to the rated current,it meets the requirements of 1S(ratio difference and angle difference)and the protection accuracy level is 5P10
1.4.3	Implementation method			Electromagnetic
1.4.4	Temperature range			-20ºC~70ºC
1.5	Electromagnetic voltage transformers(external)
1.5.1	Quantities			A.2(for subparagraphs/liaison)
				B:1(for branching/dividing)
1.5.2	Rated Voltage Ratio			Line Voltage measurement10kV/0.1KV Supply voltage:10kV/0.22kV
1.5.3	Accuracy Level			Measuring voltage winding:0.5level Supply voltage winding:3 levels
1.5.4	Capacity(VA)			Measuring voltage winding:≥10VA Supply voltage winding long-term capacity≥50VA, Short-time capacity≥300VA/30s

Main Products

Company Profile

Zhejiang Fuerte Electrical Apparatus Co., Ltd. (Formerly Wenzhou Fuerte Electrical Apparatus Co., Ltd. ) was founded in 1985, our company employs 220 staffs, and have down site area 19881m2, covered area 36216m2.

As one of the earliest professional manufacturers in China for fuse cutouts, surge arresters, isolating switches, porcelain and polymer insulator and other electrical protection apparatus in China, we've passed ISO certificate (by DEKRA Certification GmbH Stuttgart) and fuse cutouts are tested by CESI, Italy and KEMA, Surge arrester are tested by KEMA also. The scope of business activities includes the production and sale of these electric apparatus.

Our company has strong research and development capabilities for customization requirements for our customers. We've designed more than one hundred designs of fuse cutout for customers from different countries; Such as Kenya, South Africa, Morocco, Thailand, Korea, Pakistan, Saudi Arabia, The USA, etc. And same as Surge arrester, isolating switch, porcelain & polymer insulator, and electrical fittings. We believe we can give you most suitable products for your installation request and match the specification of your country.

Our company -- More than 40 years of production experience;

New plant covers an area of 36216m2; employs 220 staffs;

Continuous improvement and perfection of products;

10~38KV voltage level products selection;

100~300A current level products selection;

High productivity, large spare parts inventory;

CESI certificate and more laboratory test certification;

Sample order available.

Certifications

Exhibition

FAQ

Q: How about the performance of your surge arresters?
A: We use reliable material from our supplier and each batch material have qulified certificate. And the assemblied product also 100% tested before package.  

Q: Can we customize the surge arresters according to our drawing/design?
A: Yes, we accept customized order, but the quantity needs to reach at 1000pcs if the mold fee are beared by you. For mold fee beared by us, the quantity need to reach to a large one. 

Q: What kind of certificate of the surge arrester you have? 
A: We have KEMA etc.

Q: What is MOQ of the surge arrester?
A: The MOQ of the surge arrester is 1 piece for sample.

Q: What is the warranty for the surge arrester?
A: For the all surge arrester, we offer 2 years warranty for free.

Q: What is the terms of payment?
A: T/T, L/C,western union, trade assurance or cash; 30% for deposit, the balance 70% before shipment.

Q: What is the delivery time?
A: 3 work days with stock after receiving the payment. No stock, 20 work days after receiving the payment.