Wenzhou Kinee Electrical Co., Ltd. is one of the most reliable manufacturers and suppliers of pc-class (three-stage) ats in China. We warmly welcome you to wholesale pc-class (three-stage) ats for sale here from our factory. All customized products are with high quality and competitive price.
Product Introduction
This is a PC-class (three-stage) ATS (hereinafter referred to as the switch), mainly used in AC 50Hz/60Hz power systems with a rated voltage of 400V and a rated operating current of 16A to 630A. It switches the power supply when one of the power sources fails, ensuring the reliability and safety of the power supply.
The switch has three positions: "Common (I) ON", "Standby (II) ON", and "OFF (0)". It can be used in fire-fighting linkage and power systems with infrequent switching. It is mainly suitable for important locations where power outages are not permitted, such as hospitals, shopping malls, banks, chemical plants, metallurgical plants, high-rise buildings, military facilities, and fire protection facilities.
Technical Parameters
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Functional items of controller type |
Type A |
Type B |
Type C |
Type D |
Type E |
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Rated working power supply |
AC230V 50/60Hz |
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Assistant working voltage |
None |
DC24V |
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Voltage measuring range |
None |
40-300V |
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Working position |
Three working positions (common switch-in, backup switch-in, both switch-off) |
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Way of operation |
Manual, Automatic |
Manual, Automatic, remote control |
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Way of display |
LED status display |
LED status display/ LCD screen display |
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Way of conversion |
Self-throwing self-resetting |
Self-throwing self-resetting (defaulted)/self-throwing non-self resetting |
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Under-voltage conversion value |
None |
165-217V adjustable |
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Overvoltage conversion value |
None |
243-298V adjustable |
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Power supply under-frequency/over-frequency detection |
None |
40-60 Hz adjustable |
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Timing start function |
None |
Timing conversion timing start generator |
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Conversion delay function |
None |
0-180s continually adjustable |
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Return delay function |
None |
0-180s continually adjustable |
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Item-lack detection |
Common three phases, backup single phase |
Three phases (A, B, C phase) |
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Generator control |
None |
Available (one set of relay dry contact) |
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Firefighting linkage control |
None |
Firefighting forced setting 0 (one set of passive contact input, one set of N.O. passive signal feedback) |
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communication function |
None |
Have |
Defaulted none(optional) |
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Way of installation |
Integrated type(without display screen) |
Integrated type(without display screen)/split type(with display screen) |
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Main Technical Parameters
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Model specifications |
RDS2T-125 |
RDS2T-250 |
RDS2T-630 |
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Rated working current Le(A) |
16,20,25,32,40,50,63,80,100,125 |
125,160,200,225,250 |
250,315,350,400,500,630 |
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Rated power supply voltage Us(V) |
AC230V |
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Rated insulation voltage Ui(V) |
800V |
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Rated impulse-resistant voltage Uimp(kV) |
8kV |
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Rated short-circuit making capacity (kA peak) |
17kA |
26kA |
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Rated limited short-circuit current Iq |
120kA |
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Rated limit short-circuit current Contact conversion time |
0.58s |
0.56s |
0.9s |
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Conversion action time |
1.35s |
1.3s |
2.0s |
Questions and Answers
Q: When can I expect to receive a quote and detailed information after submitting an inquiry?
A: A reply will be sent within 24 hours.
Q: What makes you different from other suppliers?
A: We have a full range of electrical products and can also customize products to meet your specific needs.
Q: Can I get a sample for testing before placing an order?
A: Of course!
Q: How's the delivery? I really need them urgently!
A: Samples require 5-7 days. Bulk orders require 12-15 days.
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