Wenzhou Kinee Electrical Co., Ltd. is one of the most reliable manufacturers and suppliers of mains power/generator models dual power automatic transfer switch in China. We warmly welcome you to wholesale mains power/generator models dual power automatic transfer switch for sale here from our factory. All customized products are with high quality and competitive price.
Product Introduction
KNQ1 Series Dual-Power Automatic Transfer Switch is a newly developed micro household power transfer switch, available as a Mains Power/Generator Models Dual Power Automatic Transfer Switch. It is mainly used to monitor the status of normal and backup power. When normal power fails, the backup power activates immediately, ensuring continuity, reliability, and safety of power supply. Designed for rail-mounted installation, it is specifically used in DIN-rail power distribution boxes.
The KNQ1 series, a Mains Power/Generator Models Dual Power Automatic Transfer Switch, is suitable for emergency power systems with 50/60Hz AC, rated 400V, 100A. It features compact structure, reliable transfer, easy installation and maintenance, and long service life. As a Mains Power/Generator Models Dual Power Automatic Transfer Switch, it is widely used where power interruption is not allowed, supporting both electrical and manual operation. The KNQ1 series complies with Low-Voltage switchgear and controlgear standards.
Product Features
1.Reasonable structure, small volume, nice appearance, provided with protective shield safer and more reliable power supply.
2.Complete protective functions, including open phase and loss-of-voltage protection.
3.Noiseless, energy saving , simple installation , easy operation, reliable and stable performance.
Main Technical Parameters
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Specification |
100A |
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Rated current Ie(A) |
16, 20, 25 |
32,40,50,63 |
80,100 |
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Insulation voltage Ui |
AC690V, 50Hz |
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Rated voltage Ue |
AC400V, 50Hz |
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Classification |
PC class: can be manufactured and withstood without short circuit current |
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Utilization category |
AC-33iB |
AC-31B |
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Pole No. |
2P |
3P |
4P |
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Weight(kg) |
1.7 |
2.1 |
2.6 |
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Electrical |
Life: 2000 times; Manual operation: 5000 times |
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Rated short circuit current Iq |
50kA |
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Short circuit protection device (fuse) |
RT16-00-63A |
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Rated impulse withstand voltage |
8kV |
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Control circuit |
Rated control voltage Us: AC220V/50Hz Normal working conditions: 85–110%Us |
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Auxiliary circuit |
2 relays, each with two sets of contact converter contact capacity: AC220V/50Hz Ie=5y |
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Conversion time of contactor |
<50ms |
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Operation conversion time |
<50ms |
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Return conversion time |
<50ms |
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Power off time |
<50ms |
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Runtime and Installation Requirements
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Item |
Conditions / Requirements |
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Ambient air temperature |
Max. 40°C, min. -5°C, avg. within 24h ≤ 35°C |
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Altitude |
Installation site ≤ 2000m |
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Atmospheric conditions |
At 40°C, RH ≤ 50%; at -5°C, RH can be higher (e.g., 90% at 25°C). Take measures against occasional condensation |
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Pollution degree |
ATS meets degree 3 per IEC 60947-11 |
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Installation category |
ATS meets category per IEC 60947-11 |
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Installation conditions |
Vertically mounted in control/distribution cabinet. Maintain installation distance as shown in Figure 1 |
4P Wiring Diagram
Overall and installation dimension of 100
