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0102030405
China LMQ4-100X Automatic Transfer Switch: Reliable Supplier & Factory for Solar Systems, Safety & Quality Standards
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 Ie 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 Iq | 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 (FAQ)
What is the rated current range of the LMQ4-100X automatic transfer switch?
The LMQ4-100X ATS supports a wide range of rated currents (Ie) including 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A, 80A, and up to 100A.
What is the transfer time of this changeover switch?
The contact transfer, operating transfer, return transfer, and off-time are all extremely fast, performing at less than 50ms (<50ms) to ensure minimal power interruption.
What pole configurations are available for the LMQ4-100X?
It is available in 2-pole (2P) with a rated voltage of AC230V, as well as 3-pole (3P) and 4-pole (4P) configurations with a rated voltage of AC400V.
What is the difference of a PC-grade automatic transfer switch?
As a PC Grade switch, the LMQ4-100X is designed to connect and withstand short-circuit currents, but it is not intended to break short-circuit fault currents itself. It relies on upstream SCPD (like an RT16-00-63A fuse) for overcurrent protection.
What are the environmental temperature limits for operating this ATS?
The switch operates reliably within a temperature range of -5°C to +40°C, provided the average temperature over a 24-hour period does not exceed 35°C.
What is the service life expectancy of the LMQ4-100X?
This automatic transfer switch features an electrical endurance life of up to 2,000 operations and a mechanical life of up to 5,000 operations.