Wenzhou Kinee Electrical Co., Ltd. is one of the most reliable manufacturers and suppliers of high-performance ats in China. We warmly welcome you to wholesale high-performance ats for sale here from our factory. All customized products are with high quality and competitive price.
Product Introduction
High-performance ATS equipment is a PC-class dedicated automatic transfer switching electrical device, mainly used in power supply systems of AC 50/60Hz with rated operating voltages of AC220/230V, AC400/415V and a rated operating current from 16A to 630A. It performs switching between power sources when one of them becomes abnormal, thereby ensuring continuity and reliability of power supply.
This device features fast transfer speed, a utilization category up to AC-33A, a high rated limited short-circuit current when coordinated with circuit breakers or fuses as short-circuit protective devices (SCPD), contacts with two or three positions, complete functions, and a high degree of intelligence. It is suitable for various critical power supply locations such as buildings, industry, finance, medical facilities, communications, data centers, airports, rail transit, sports venues, etc.
Technical Parameters
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Shell frame current |
125A |
250A |
400A |
630A |
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Poles of switch |
2P, 3P, 4P |
3P, 4P |
3P, 4P |
4P |
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Rated working current |
16A, 20A, 32A, 40A, 50A, 63A, 100A, 125A |
125A, 160A, 200A, 225A, 250A |
250A, 315A, 400A |
400A, 500A, 630A |
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Category at use |
AC-33A |
AC-33iA |
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Rated operating frequency |
50/60Hz |
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Rated working voltage |
AC220V/230V (2P), AC380V/400V (3P/4P) |
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Rated voltage of controllingpower supply |
AC230V |
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Rated insulation voltage |
800V |
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Rated impulse-resistant voltage |
8kV |
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Rated limited short-circuitcurrent |
120kV |
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SCPD fuse parameters (Ip) |
12kA |
27kA |
42kA |
59kA |
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SCPD fuse parameters (I²t) |
0.068×10⁶ A²s |
0.3×10⁶ A²s |
2.0×10⁶ A²s |
3.9×10⁶ A²s |
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Minimum converting action time |
70ms |
100ms |
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Number of contact working positions |
Three positions (class III) |
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External dimensions (L×W×H) |
238mm×140mm×115mm |
292mm×190mm×132mm |
375mm×285mm×195mm |
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Conditions At Work
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Item |
Condition / Requirement |
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Ambient air temperature |
-5 °C ~ +40 °C, average value over 24 hours not exceeding +35 °C |
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Altitude of installation site |
Not exceeding 2000 m |
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Relative humidity |
Not exceeding 50% at a maximum temperature of +40 °C; higher relative humidity allowed at lower temperatures (e.g., 90% at 20 °C). Special measures shall be taken for occasional condensation caused by temperature changes |
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Pollution level |
Level 3 |
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Transportation, storage, and installation conditions |
The device must not be affected by rain or snow during transportation. Storage ambient temperature: -25 °C ~ +80 °C, relative humidity not exceeding 95% (at 25 °C), and may reach +85 °C for a short period (not exceeding 24 hours) |
External and Installation Dimensions
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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