| Customization: | Available |
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| Certification: | CCC, ISO9001 |
| Shell Material: | Stainless Steel |
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Liyang indoor type alternating-current metal-clad mid-set withdrawable switchgear is applicable for three-phase power systems of AC50Hz and 3.6~12kV, used for electric energy receiving and distribution, is a PTD control device for single-bus segment systems. It is mainly used in power plants and substations for power transmission, and industrial and mining enterprises for power distribution, as well as secondary substations for power receiving and transmission and starting of large high-voltage motors, etc, realizes control, protection and monitoring.
1.Fully compatible with technical performances and schemes of KYN28A-12, GZS and other switchgears.
2.More mechanical interlocking protection and operation characteristics.
3.Complete mechanical interlocking protection and operation characteristics.
4.A variety of configurations of vacuum circuit breakers.
5.w-vac vacuum circuit breaker from Westing House Corporation.
6.VD4 vacuum circuit breaker from Corporation.
7.3AH5 vacuum circuit breaker from SIEMENS.
8.10-VPR vacuum circuit breaker from MITSUBISHI.
9.ZN28GE and VB2 vacuum circuit breakers from GE.
10.EV12 vacuum circuit breaker from Merlin Gerin.
11.VS1 vacuum circuit breaker from Senyuan Corporation.
12.All kinds of homemade vacuum circuit breakers such as VS1, ZN28, ZN63, ZN, etc.
Adoption of imported and homemade microcomputer-based monitor and remote controller, or electromechanical relay protection and meter monitoring.
Luxurious imported type, universal type and economical type for option.
Technical parameters
Outline dimension of switchgear (mm)
| Breaker model | W-VAC | VPR | 3AH5 | VD4,VS1,ZN28,ZN63 | |
| Height (H) | 2300 | 2300 | 2300 | 2300 | |
| Width (W) | ≤1250A>1600-3150A | 700 800 |
800 1000 |
800 1000 |
800 1000 |
| Depth (D) | 1660 | 1660 | 1600 | 1500 (Note 2) | |
Note: 1. Cabinet width is 800 except the breaker cabinet whose width varies.
2. Depth of incoming/outgoing cables is 1660.
Main technical parameters of switchgear
| Item | Unit | Data | |
| Rated voltage | KV | 3.6,7.2,12 | |
| Rated insulation level | 1min power frequency withstand voltage Lightning impulse voltage (full wave) |
KV KV |
24,32,42 40,60,75 |
| Rated frequency Rated current Rated current of main bus Rated current of branch bus 4s short-time withstand current (effective value) Rated peak withstand current (peak) |
Hz A A A KA KA |
50 5-3150 1600,2000,2500,3150 630,1250,1600,2000,2500,3150 16,20,25,31.5,40,50 40,50,63,80,100,125 |
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| Protection class | The shell is IP4X, and it is IP2X when the circuit breaker chamber door is opened | ||
Note: please take the breaker model into consideration especially for short-circuit capacity of current transformer.
| Corporation | C-H | SIEMENS | GE | Mitsubishi | Homemade | |
| Model | W-VAC | Vd4 | 3AH5 | ZN28GE,VB2 | VPR | VS1,ZN28,ZN63… |
Jiangsu Liyang Electrical Appliance Manufacturing Co., Ltd. is located at No. 39 Xinjian North Road, Chengbei Industrial Park, Jingjiang City, Jiangsu Province, National Economic Development Zone.
Liyang Electric Appliances has taken off with the development of China's power industry. Founded in 1963, the company has gone through Jingcheng Weaving Society, Jingcheng Daily Necessities Factory, Jingcheng Electric Appliance Factory, Jingjiang Electromechanical Transformer Factory, Jingcheng Electric Control Equipment Factory, as well as the interpretation of Jiangsu Xingxing Electric Appliance Manufacturing Co., Ltd. and the development of Jiangsu Liyang Electric Appliance Manufacturing Co., Ltd. Up to now, it has begun to take shape and covers a total area of 50000 square meters with fixed assets of 130 million yuan. It is a designated production and transformation equipment of State Grid, the former Ministry of Coal and Chemical Industry, a complete set of high and low voltage switchgear distribution devices, box type substations, fully enclosed anti-corrosion transformers, oil immersed/dry/amorphous alloy transformers, and boundary intelligent high-voltage metering. A specialized company for boxes. After 50 years of carrying heavy responsibilities and 50 years of glorious history, Liyang Electric Appliances has walked a rugged and extraordinary path, creating infinite vitality for the growth of the enterprise.
The company has advanced production and testing equipment (MT-300E CNC servo turret punch, CNC hydraulic plate bending machine, CNC hydraulic gate shearing machine, CNC punching machine, CNC lathe, CNC drilling machine, CNC busbar punching and shearing machine, comprehensive testing system for transformer characteristics, CNC foil winding machine, CNC vacuum drying equipment, CNC pressure casting equipment, etc.), strict process control, and perfect after-sales service. It is a modern high-tech enterprise integrating research and development, manufacturing, sales, and installation in the field of high and low voltage transmission and distribution, as well as the Taizhou Photovoltaic Power Generation Transmission and Transformation System Engineering Technology Research Center and Taizhou Engineering Research Center.
Payment Term
| Payment Terms | T/T | EXW | 30% T/T in advance, the balance to be paid before dispatch |
| FOB | |||
| CIF | 30% T/T in advance, the balance to be paid against the copy of B/L | ||
| CFR (C&F) | |||
| L/C | Irrevocable L/C at sight could be accepted if amount above US $50,000.00 | ||
| Delivery Time | 7 to 10 working days after receiving advanced payment | ||
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