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LMQ3-630W1 Automatic Transfer Switch ATS 630A – Reliable China Suppliers & Factory Solutions
LMS1-LA Series Manual
LMS1-LA as our ingenuity research and development of a new generation of dual power automatic transfer switch, in the performance and technology to achieve a major breakthrough. The product provides 63A, 125A, 250A, 400A, 630A and other rated current specifications, whether it is the continuous operation of massive servers in data centers, or the uninterrupted power supply of life support equipment in hospital ICU wards, the stable operation of elevator and fire fighting system in high-rise buildings can fully meet the power demand in different scenarios.
Its switching speed can be called industry-leading, switching time only 10ms-50ms, with millisecond response speed to complete power conversion. In the data center, the LMS1-LA automatic transfer switch can switch to the standby power supply in a very short period of time in the face of sudden power failure, avoiding data loss and system collapse caused by momentary power failure; in the hospital environment, the LMS1-LA automatic transfer switch can switch to the standby power supply in a very short period of time, millisecond-level power switching can guarantee the stable operation of precision instruments and first-aid equipment in operating rooms, and escort the safety of patients. When applied to high-rise buildings, fast power changeover ensures smooth parking of elevators, normal operation of fire fighting systems and improved building Factor of safety.
The transfer switch is composed of a high performance excitation contactor and an intelligent controller. When working, the electromagnetic coil produces a strong and stable attraction to drive the switching action to ensure the instant completion of power switching. This feature not only effectively guarantees the rapid switching of the power supply when the equipment is powered off, but also realizes the seamless connection of the power supply, which provides a reliable and solid power guarantee for the equipment with strict requirements for power continuity.
Intelligent dual power automatic switching system for AC 50 / 60Hz, rated working voltage 400V, rated current up to 630A dual power supply system, to achieve the common power supply (N) with automatic standby power switch (R) between the (also can be used to manually switch).
LMQ3-W1 intelligent automatic shift switch intelligent dual power automatic switching system for AC 50/60Hz, rated working voltage 400V, rated current 63 ~ 630A dual power system, switch between common power (N) and automatic standby power (R)(can also be used for manual switching) . It is composed of integrated controller and intelligent device. The main body is composed of two groups of circuit breakers installed in the switch cabinet to realize two groups of input terminals and one single-chip dual-power conversion switch for output.
The intelligent device is composed of special forward and backward motors, circuit breakers and operating mechanism. The system has the function of electromechanical double interlock protection, which provides a safe and reliable guarantee for power supply.
Model Description
Main Technical Parameters
| Model Name | LMQ3-125W1 | LMQ3-250W1 | LMQ3-630W1 |
| Rated working voltage (Ue) | AC400V / AC690V | ||
| Rated operation voltage (Us) | AC220V | ||
| Rated insulated voltage (Ui) | AC800V | ||
| Transfer time | ≤3s | ||
| Rated short circuit closing capacity (lcm) | 52.5kA | 73.5kA | 143kA |
| Rated short circuit breaking capacity (lcn) | 25kA | 35kA | 65kA |
| Mechanical Life | 7000 | 5000 | 3000 |
| Electric Life | 3000 | 2000 | 1000 |
Character
- aCB class ATS come true Two input One output
- bRemovable Auxiliary alarm and closing auxiliary
- cComplete function, SMART
- dParameter can set, remote communication operation
- eFull bakelite shell, high safety factor, external zero fly arc
- fThe compact design of anti-jamming performance
- gSmall size, appearance patent products, with isolation
- hMulti-function operating handle, the operating handle can be used in change over, also used to fasten the screw, easy installation.
Controller Installation and Connection Schematic
Intelligent Controller Panel Layout and Description
1. Main Power A、B、C three phase indication light: When Main Power A、B、C three phase voltage in controller set range lightening.
2. Main Power ON indication light: When main power circuit breaker in closing lightening.
3. Emergency Power A、B、C three phase indication light: When main power A、B、C three phase voltage in controller set range lightening.
4. Emergency Power ON indication light: When emergency power circuit breaker in closing lightening.
5. Manual work status indication: Under manual work status, user can through keyboard to control switch transfer.
6. Manual or Automatic work status transfer button: User through keyboard to choose manual or automatic status.
7. Automatic work status indication: Auto work is lightening, meanwhile controller in separately detect voltage in main power and emergency power by automatically to finish switch transfer.
8. Manual status to cut to main power button.
9. Manual status to double off button.
10. Manual status cut to emergency power button.
Frequently Asked Questions (FAQ)
QWhat is the rated current range of the LMQ3-W1 Automatic Transfer Switch?
The LMQ3-W1 ATS supports a rated current range of 63A to 630A, covering three main models: LMQ3-125W1, LMQ3-250W1, and LMQ3-630W1, making it suitable for a wide variety of dual power supply applications.
QWhat is the transfer time of the LMQ3-W1 ATS?
The LMQ3-W1 features a fast automatic transfer time of ≤3 seconds, ensuring minimal interruption to your power supply when switching between the main power source and the standby emergency power source.
QCan the LMQ3-W1 be operated manually as well as automatically?
Yes. The LMQ3-W1 supports both automatic and manual switching modes. Users can switch between modes using the dedicated Manual/Automatic transfer button on the intelligent controller panel, allowing flexible operation according to specific needs.
QWhat safety protection features does the LMQ3-W1 provide?
The LMQ3-W1 is equipped with electromechanical double interlock protection, a full bakelite shell for high safety factor, external zero fly arc design, and removable auxiliary alarm functions. These features collectively ensure safe, reliable, and uninterrupted power switching.
QWhat are the rated voltages supported by the LMQ3-W1?
The LMQ3-W1 supports a rated working voltage of AC400V or AC690V, a rated operation voltage of AC220V, and a rated insulated voltage of AC800V. It is compatible with both AC 50Hz and 60Hz power systems.
QDoes the LMQ3-W1 support remote communication and parameter setting?
Yes. The LMQ3-W1 intelligent controller supports user-defined parameter settings and remote communication operation, making it ideal for smart building management systems, industrial automation, and other applications requiring centralized monitoring and control.