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0102030405
China LMQ4-100X Automatic Transfer Switch 2P 3P 4P - Reliable Supplier and Factory for Solar Systems
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.
Main Technical Parameters
| Model | LMQ4-100X | |||||||||
| Rated current le A | 10 | 16 | 20 | 25 | 32 | 40 | 50 | 63 | 80 | 100 |
| Insulation voltage Ui | AC 690V | |||||||||
| Rated voltage Ue | 2P: AC230V | 3P: AC400V | 4P: AC400V | |||||||||
| Grade | Grade PC: able to make and withstand, not to break short-circuit current | |||||||||
| Use category | AC-33iB | |||||||||
| Pole | 2P | 3P | 4P | |||||||
| Weight (kg) | 0.62 | 0.72 | 0.91 | |||||||
| Life | Electrical: 2000 times | Mechanical: 5000 times | |||||||||
| Rated conditional short-circuit current lq | 50kA | |||||||||
| SCPD (fuse) | RT16-00-63A | |||||||||
| Rated impulse withstand voltage | 8kV | |||||||||
| Control circuit | Rated control voltage Us: AC220V, 50Hz | Correct working condition: 85%Us – 110%Us | |||||||||
| Auxiliary circuit | AC220V / AC110V 50/60Hz | |||||||||
| Contact transfer time | <50ms | |||||||||
| Operating transfer time | <50ms | |||||||||
| Return transfer time | <50ms | |||||||||
| Off-time | <50ms | |||||||||
| Temperature range | -5°C ~ +40°C | Average temperature not more than 35°C in 24 hours | |||||||||
Structure and Mounting
Frequently Asked Questions
What is the rated current range of the LMQ4-100X ATS?
The LMQ4-100X Automatic Transfer Switch supports a rated current (le) range from 10A to 100A, covering 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A, 80A, and 100A to suit various load requirements.
What voltage configurations are supported by the LMQ4-100X?
The LMQ4-100X supports multiple pole configurations: 2P at AC230V, 3P at AC400V, and 4P at AC400V. The insulation voltage (Ui) is rated at AC 690V, ensuring safe operation across a wide voltage range.
How fast is the transfer time of the LMQ4-100X ATS?
The LMQ4-100X features a rapid switching performance with contact transfer time, operating transfer time, return transfer time, and off-time all less than 50ms, ensuring minimal interruption to connected loads during power source switching.
What is the short-circuit withstand capability of the LMQ4-100X?
The LMQ4-100X has a rated conditional short-circuit current (Iq) of 50kA when used with the specified SCPD fuse (RT16-00-63A), and a rated impulse withstand voltage of 8kV, making it suitable for demanding industrial environments.
What is the service life of the LMQ4-100X automatic transfer switch?
The LMQ4-100X is designed for long-term reliability, offering an electrical life of 2,000 operations and a mechanical life of 5,000 operations, ensuring durable performance over extended periods of use.
What are the operating temperature and control circuit requirements?
The LMQ4-100X operates within a temperature range of -5°C to +40°C, with an average temperature not exceeding 35°C over any 24-hour period. The rated control voltage (Us) is AC220V at 50Hz, with a correct working range of 85%Us to 110%Us. The auxiliary circuit supports AC220V or AC110V at 50/60Hz.