Wenzhou OEM Wholesale 12kv Medium Voltage Indoor Vacuum Circuit Breaker

• Customization: Available
• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Energy-storage Type
• Model NO.: ZN75Y
• Speed: Normal Type Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Fixed
• Structure: Vcb
• Poles Number: 3
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection), Undervoltage, Anti-Jumping
• Certification: ISO9001-2000, CE, GB1984-2003
• Payment: T/T, L/C or Negotiation
• Trade Term: Fob, EXW, C&F, Fca or Negotiation
• Rated Frequency: 50/60Hz
• Rated Short-Circuit Breaking Current: 20, 25, 31.5, 40ka
• Rated Current: 630A, 1250A, 1600A, 2000A, 2500A, 3150A, 4000A
• Rated Voltage: 12kv, 24kv, 35kv
• Polar Distance: 150mm, 180mm, 210mm, 300mm or Customization
• Transport Package: Plastic Bag & Wooden Case or as Requested
• Specification: Steel, Copper, Ceramic, expoxy resin
• Trademark: COPECO
• Origin: Wenzhou, China
• HS Code: 8535210000
• Production Capacity: 2000PCS Per Month

Product Description

Product Introduction

                     MODEL AND MEANING

                      Rated technical parameters of circuit breaker                                           table 1

Rated voltage			12kV
Rated frequency			50 or 60Hz
Rated lightening impulse withstand voltage			75kV (peak value)
Rated 1 min P.F. withstand voltage			42kV (valid value)
Rated operating sequence			O-0.3s-CO-180s-CO (O-180s-CO-180s-CO for 40kA)
Rated current	Rated breaking  current (kA)	Rated peak short-circuit  making current (kA)	Rated short-circuit  duration (s)	Breaking  times	Mechanical life
630, 1250	20  ,   25	50,    63	4	50	20000
1250, 1600  2000, 2500	31.5	80	4	50	20000
1600, 2000  2500, 3150, 4000	40	100	4	30	10000

                       Mechanical parameters of circuit breaker                                                  table 2 

No.	Name	Unit	Data
1	Opendistance of contact	mm	111
2	Over travelof contact		3.50.5
3	Three phase opening/closing asynchronism	ms	2
4	Bounce timeof contact closing	ms	2			3
5	Contact closingpressure	N	20kA	25kA	31.5kA	40kA
			2000200	2400 200	3100 200	4750 250
6	Average opening speed	m/s	0.91.3(average speed for opening 6mm)
7	Average closingspeed		0.40.8
8	Closing time	ms	100
9	Opening time	ms	50
10	Arcing time	ms	15

    Remarks: Items of No.1, 2, 6, 7 are technical parameters for domestic vacuum interrupter, if any discrepancy to test report,            

   please be subject to test report.

                  Technical parameters of tripper and locking electromagne                           table 3

Name	Power(W)	Rated voltage(V)
Opening tripper	245	-220 -110
Closing tripper	245
Locking electromagnet	10
Over-current tripper	5A

                    Technical parameters of energy storage motor                                               table 4

Rated voltage	Power(W)	Energy storing time(s)	Applicable current class
-220 -110	50	10	6301600A
	75	10	20003150A

Main Product

Company Profile

Yueqing Copen Electric Co., Ltd., was established in 2012, located at Yueqing Economic Development Zone, Wenzhou city, Zhejiang province, who has been developed as a professional high volt. Power Transmission and Distribution equipment and components supplier in the past years, also being as one of the recommended model companies for National Power Grid Construction & Reformation.  We're now special in manufacturing and exporting Vacuum Circuit Breaker (VCB), Vacuum Contactors, SF6 Circuit Breaker, Disconnecting Switch, Load Break Switch (LBS), switchgear and components.  We have developed new products and assembly line optimization against our reinforced enterprise strength, refined technical & management team, to meet the customers' diverse needs. Over ten years' production and sales experience, we're well received in Southeast Asian, Russian, African market and American countries by the excellent quality and the best after-sales service. We're also a OEM & ODM manufacturer, accept a small trial order to know the better about our product quality, packaging and shipment. Welcome to inquiry us which all will be replied within 24 hours. We also cordially welcome all customers overseas to visit us and discuss business cooperation or being as our agent in your country.

Our Factory

Company Advantage

Our Certificates

Packaging & Shipping

FAQ

Q1:Why choose us from numerous suppliers? 

A1: We're a recommended model supplier by the overseas customers due to the High cost-effectiveness and Excellent after-sales service.
 
Q2: How is your after-sales service? 
A2: We're one of the professional manufacturers and exporters in China. We can provide a series of supporting services from installation and debugging, operation and maintenance, fault diagnosis, to replacement of related accessories.
 
Q3: How long is the warranty period and what is the scope of warranty?
 A3: We offer 24 months' warranty period, including the defects in covering materials or assembly processes. Artificial damage or arbitrary modification, failure to use as required, etc. are not covered by the warranty.
 
 Q4: Do you accept OEM orders or can you provide customized non-standard products.
 A4: Yes, we have a refined technical & management team, can meet the diverse needs from domestic and foreign customers.
 
Q5: Is there MOQ and what is the usual delivery time?
A5: No MOQ requested,1 sample can be supplied and normal delivery time is 3-40 days. Special or customized products will be discussed separately.