12kv Vacuum Circuit Breaker 24kv 36kv Vacuum Circuit Breakers

• Customization: Available
• Breaking Capacity: 20ka, 25ka, 31.5ka
• Operation: Manual Type
• Speed: Normal Type Circuit Breaker
• Arc-extinguishing Medium: Oil-immersed Type
• Installation: Fixed
• Structure: ACB
• Poles Number: 1
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker
• Certification: VDE, ISO9001:2008
• Product Name: Zw32c-12
• Rated Current: 630
• Application: Electric Power Transmission
• MOQ: 1 Piece
• Rated Voltage: 12
• Transport Package: Standard
• Specification: standard
• Trademark: GGAOE
• Origin: Zhejiang, China
• HS Code: 7201500010
• Production Capacity: 100000 Piece/Pieces Per Month

Product Description

Product Description

No.	Item	Unit	Data
1	Rated voltage	kV	24
2	Rated Current	A	630/1250/1600/2000/2500/3150
3	Rated Frequency	Hz	50/60
4	Rated short circuit current	kA	20/25/31.5/40
5	Rated short time withstand current(4s)	kA	20/25/31.5/40
6	Rated peak withstand current	kA	50/63/80/100
7	Rated power frequency withstand voltage	kV	65 (fracture 79)
8	Rated lightning impluse withstand voltage	kV	125(fracture 145)
9	Rated operating sequence		O-0.3S-C&O-180S-C&O
10	Mechanical life endurance	time	10000
11	Rated short circuit opening current frequancy	time	50
12	Rated voltage of operating mechanism(DC)	V	110/220
13	Open contact clerance	mm	11+1
14	Super stroke	mm	3.5+0.5
15	Time differential among phases	ms	≤2
16	Bounce time of closing contacts	ms	≤2
17	Average opening speed	ms	1.5+0.2
18	Average closing speed	ms	0.8+0.2
19	Opening time	ms	≤50
20	Closing time	ms	≤100

Environmental Conditions

1. Ambient temperature: not higher than +40 ºC, not less than -15 ºC (at -30  ºC to allow storage and transportation).
2. Altitude: not exceed 1000m.
3. Earthquake intensity: not more than 8 degree.
4. Wind pressure:≤700pa
5. No fire, explosion hazard, serious filthy, chemical corrosion, as well as places of intense vibration

Alternative parameters table1

Rated voltage	Rated current	Rated short-circuit	P	A	B	D
KV	KA	breaking current, KA	mm	mm	mm	mm
12	630,1250	20,25,31.5	150	20	410	450

Alternative parameters table2                           

Rated voltage	Rated current	Rated short-circuit	P	A	B	C	D	W
KV	KA	Breaking current, kA	mm	mm	mm	mm	mm	mm
	630	20,25						35
12	630,1250	20,25,31.5,40	150	494	456	490	502	49

 

Series Number	Symbol	Name	Remark
1	YQ-Y9	Indirect over-current release	Chosen  element
2	Y1-Y4	Rectifier element
3	KO	Inner mechanism anti-jumping relay
4	P	Handle operation mechanism
5	Y1	blocking eletromagnet	Chosen element
6	HQ	Closing release
7	TQ	Breaking release
8	M	Energy storing engine
9	S9	assistant switch used at operation position
10	S8	assistant switch used, at test positin	Chosen element
11	S2	Blocking electromagnet assistant switch
12	S1	Inching switch for energy storing
13	QF	assistant switch of breaker contact

 

 

 

 

 

 

Ordering Instructions:

The following technical information should be provided when placing an order: Main wiring scheme number, purpose and single line system diagram, rated voltage and rated current rated short-circuit breaking current/distribution room layout plan and arrangement and configuration diagram of switchgear;
Requirements for control measurement and protection functions of switchgear, as well as requirements and schematic diagrams for other interlocking and automatic devices;
The models specifications and quantities of the main electrical components inside the switchgear;
When the switchgear is used in special environmental conditions; detailed instructions should be provided when placing an order;

Felds of Application

Company Profile

Certifications

Delivery

 

FAQ

Q:what's your major products?
A: oil immersed transformer, dry type transformer, Transformer Substation, High and Low Voltage Switchgear

Q: Can your product be customized?
A: Considering differences in voltage, frequency and other special transformer product in different countries and regions, our product can be customized according to your requirements.

Q: When can I get the price?
A:Usually we quote within 24 hours after we get your inquiry.

Q: What about lead or shipping time?
A: The lead time depends on the quantity you ordered, generally within 15 days upon receipt of advance payment.

Q: What is the price of shipping?
A: Depending upon the port of delivery, prices varies.

Q: Do you offer guarantee for the products?
A: Yes. We offer at least one years guarantee for all of our transformers.

Q: Your Advantage?
A: 15 years experience, Advanced production equipment, Stable quality, Fast delivery, Professional & good & Prompt service. Also some free parts can be provided for you.