Generator Vacuum Switch

• Customization: Available
• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Manual Type or Electric Type
• Model NO.: VKJ-10/5000-63KA
• Arc-extinguishing Medium: Vacuum
• Installation: Fixed or Insert
• Structure: ACB
• Poles Number: 3
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker
• Certification: ISO9001-2000
• Non-Standard: Customizable
• OEM: Yes
• Technical Capacity: Old Fashioned Circuit Breaker to Figure Custom
• Selectable Voltage: 7.2-12
• Transport Package: According to The Packaging Requirements of The Imp
• Specification: 4000A/6300A- 63KA/80KA
• Trademark: VKJ
• Origin: China
• HS Code: 8535210000
• Production Capacity: 200pieces/Year

Product Description

Shanghai Kaiji Power Equipment Co., Ltd,which is located at #777 Yuegong Road, Jinshan Industrial Zone, Shanghai, is in the core area of "Yangtze River Delta". The unique location advantage builds good development platform and make manufacturing capacity and quality assurance capabilities to reach the international leading level.
Shanghai Kaiji specializes in manufacturing different kind of indoor high voltage vacuum circuit breakers, the main products are VKJ series with 7.2 KV - 24 KV - 35 KV and special circuit breaker lift vehicles.
Based on quality for growth, technology for development and service for market, our company always insists on such business philosophy. Shanghai Kaiji is willing to work with friends from home and abroad to develop together and win-win cooperation.

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Product Parameters

Technical data

 

1. 1. Main technical parameters of Model VKJvacuum breaker 

Table 1
 
Note:

1. When rated short circuit breaking current ≤31.5kA, rated short circuit breaking times is 50 times.

When rated short circuit breaking current >31.5kA, rated short circuit breaking times is 30 times.

1. When rated short circuit breaking current is 50kA, rated operating sequence is: O-180s-CO.180s. CO.

 

1. 1. Mechanical characteristic parameters after breaker is assembled and adjusted

Table 2
 
Note:

1. What in the parentheses is for product with rated current of 2500A and above.
2. Main circuit resistance of breaker is resistance between upper and lower outgoing lines.
3. Main circuit resistance of breaker cart is the resistance between upper and lower moving contacts.

 

1. 1. See Figure 3 and Table 3 for parameters of draw-out type breaker unit with binding type primary contact:

Table 3
 

Figure 3 Dimensions Related to Fitting of Moving and Static Contacts

 

1. 1. See Figure 4 for schematic diagram of secondary wiring of vacuum breaker:

Actuator of this breaker could be driven by AC or DC.
 

1. 1. Technical data of energy storage motor

This product adopts permanent-magnet type single direction DC motor with special speed reducer; change gear in the reducer is enclosed in a case filled with lubricating grease, output speed is 10r/min. Torque 25N.m. See the following Table 4 for technical parameters of motor.

Table 4

 Note: Allow AC/DC power supply for operation
 

1. 1. See Figure 5 for technical data of switching on/off electromagnet

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