RKQ3A (ATS) Automatic Transfer Switchgear

RKQ3A dual power automatic transfer switch (hereinafter referred to as transfer switch) is suitable for dual circuit power supply systems with AC 50Hz or 60Hz,  rated working voltage  400V,  rated working current 63A and below. Selective conversion between two power sources can be carried out as needed.  The product has short-circuit, overload, and voltage loss protection functions,  especially suitable for the installation and use of lighting circuits in  shopping malls,  banks,  stations,  hospitals,  and high-rise buildings.

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Features of RKQ3A (ATS) Automatic Transfer Switchgear

  • Reasonable structure, minimal volume, beautiful appearance, equipped with protective cover, making power supply more safe and reliable.
  • The protection function is complete, with short circuit, overload, phase loss, and other protections.
  • Noisy operation, energy-saving and consumption reducing, convenient installation, simple operation, reliable and stable performance

Specifications of RKQ3A (ATS) Automatic Transfer Switchgear


Class Connection and breaking capacity test condition
I/Ie U/Ue Cos4 Power-on time (s) Cycle Time (min) Number of cycle operations
AC-33B 6 1.05 0.5 0.05 ≤5 12
Rated Working Current 10A 16A 20A 25A 32A 40A 50A 63A
Rated Working Voltage AC220V 380V 415V
Controling Voltage 220VAC
Rated Short Circuit Breaking Capacity 3KA 4.5KA 6KA
Rated Insulation Voltage AC690V
Transfer Time ≤1.2S
Frequency 50/60HZ
ATS Level CB Class
Standard GB/T14048.11/IEC6097-6-1
  • Rated short-circuit breaking capacity: 3kA
  • Rated short-circuit making capacity: 3kA
  • Conversion time:<3s
  • The control voltage of the transfer switch is AC230V
  • The mechanical lifespan of the transfer switch (between common and backup) is 3000 times, and the electrical lifespan is 1500 times,
  • Rated insulation voltage: U=500V
  • Rated working current: 10A, 16A, 20A, 25A32A, 40A, 63A.

Dimensi0n and wiring method of RKQ3A (ATS) Automatic Transfer Switchgear