What is a Surge Protective Device (SPD)?
A Surge Protective Device (SPD) is an essential electrical component designed to protect electrical equipment from damage caused by sudden voltage spikes, known as surges. These surges can result from
• Dual power automatic transfer switch is suitable for emergency power supply systems with 50 or 60Hz, rated 400V AC.
• ATS has the characteristics of solid construction, reliable conversion, guide rail installation and long service life.
• It is widely used in various situations where continuous power outage is unavailable It can work reliably with electricity and can be operated manually, ATS is composed of TSE and controller.
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SQ3W |
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Specification |
100A |
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Rated current le(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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Level |
PC level: Can be fabricated and wthstand without short-circuit current |
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Use category |
AC-33iB |
AC-33B |
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Rod |
2P |
3P |
4P |
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Weight(kg) |
1.7 |
1.7 |
2.6 |
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Appliance |
Service life 2000 times, manual operation: 5000 times |
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Rated short circuit current lg |
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 Operating condition 85-110%Us |
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auxiliary circuit |
2 relays, each with two sets of contact converter contact capacity: AC220v/50Hz 1e=5y |
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Contactor switching time |
<50ms |
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Operation transition time |
<50ms |
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Operation transition time |
<50ms |
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Power off time |
<50ms |
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