Scope of Application
HH1S (QSA) Series isolating switch fuse group is a combination of isolating switch and fuse. It is made up of fuse-link and two groups of contacts with high breaking capacity, protecting from short circuit and overload.
It is mainly suitable for AC 50Hz, rated working voltage 380V, rated insulation voltage up to 690V and rated working current up to 400A; For rated working 400V, rated insulation voltage up to 690V and rated working current up to 800A.
It is mainly used in industrial electrical device of high short circuit served as inductance switch and emergency switch of power distribution and motor circuits and also for circuit protection.
Standard:
GB 14048.3-2008, EEC 60947-3: 2005
Note:
The standard produce is 3P, 4B if you need 2R 3NP, please contact with manufactory.
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| Model | HH15-63 | HH15-125 | HH15-160 | HH15-250 | HH15-400 | HH15-630 | HH15-800 |
| Number of Poles | 2,3,4 | 2,3,3N,4 |
| Rated Insulation Voltage | Rated working voltage 380V | 690 |
| Rated working voltage 400V |
| Rated Working Voltage | 380,400 |
| Resistive Current | 380V, AC-23B | 125 | 125 | 400 | 400 | 400 | 630 | 800 |
| 400V, AC-23B | 63 | 125 | 160 | 250 | 400 |
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| Rated Limiting Short-circuit current | 380V | 100 |
| 400V |
| Matched Fuse-link Model and dimenion | RT16-00 (NT-00) | RT16-2 (NT-2) | RT16-3 (NT-3) |
| Mechanical Life (times) | 1400 | 800 |
| Electical Life (times) | 200 | 150 |
Ningbo Ville Electric Co., Ltd. is a company specialized in research, development and production of transformer and high voltage & low voltage electrical power equipment.
It locates in Hi-technical enterprise R & D center zone of Ningbo, Zhejiang province, which is one of the well-know coastal city in China. Its professional engaged in turnkey project contractor of power substation, power plant project and electric power complete equipments.
Working field: Manufacturing, engineering, designing, executing and commissioning for HV and LV electrical products.
Products application:
Power-fossil fuel plant, Steel plant, Infrastructure- railway, international generation, substation, hydropower station, wind power substation, transmission and distribution.
We has excellent experience and good capacity in complete projects equipments in Generation, Substation, Transmission and Distribution from 400V-330kv, especially in Power plant, Substation construction and Transmission line, including of design, complete equipment, installation, Commissioningand after-sales service, and also design the complete Electrical Solutions according to customer's demand. We are mainly services to International State Power Board, Power Construction Contractor, Power Project Contractor, Factories and the Electric Power Project in the world.
In order to achieve the enterprise's strategic target---being stronger, larger, and superior, we continue to expand throughout the world's markets for power transmission and distribution area. And we also actively attach our team to competition, walking forward to the mission of "First-class worldwide electrical equipment supplier"
