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China Dual Power Automatic Transfer Switch ATS 250A - Reliable Suppliers & Factory for AC 50Hz, 400V 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.
LMS1-NA Series Auto transfer switch mainly used for electric distribution network or motor network with rated voltage 380V, 50Hz, rated current 16A to 630A, transfer between main power and backup power system, power grid and genset.
Model Description
Main Technical Parameters
| Rated working current | 16/20/25/32A | 32/40/50/63/80/100/125A | 160/180/200/250A | 250/315/350/400A | 500/630A | |
| Rated control power supply voltage (V) | AC220V | AC220V | AC220V | AC220V | AC220V | |
| Rated control supply current (A) | 3.5 | 3.5 | 7 | 7 | 7 | |
| Rated short-time withstand current (KA) | 10 | 10 | 10 | 10 | 10 | |
| Service life | Mechanical | 20000 | 20000 | 20000 | 20000 | 20000 |
| Electrical | 6000 | 6000 | 6000 | 6000 | 6000 | |
| Operating cycle (1 minute / times) | 10 | 10 | 12 | 15 | 15 | |
a: Power grids to Power grids b: Power grids to Generator
- ①NA: Neutral terminal of normal power for 3-pole ATS
- ②LP1: Normal Power supply indicator light
- ③LP2: Normal Power indicator light
- ④LP3: Standby Power indicator light
- ⑤LP4: Standby Power supply indicator light
- ⑥NB: Neutral terminal of standby power for 3-pole ATS
Structure and Mounting Dimensions
Production Process
Frequently Asked Questions (FAQ)
Q
What is the rated voltage and frequency of the LMS1-NA Series ATS?
The LMS1-NA Series Automatic Transfer Switch is designed for systems with a rated voltage of 380V and a frequency of 50Hz, making it suitable for standard electric distribution and motor networks.
Q
What current range does the LMS1-NA Series ATS cover?
The LMS1-NA Series covers a wide range of rated working currents from 16A up to 630A, including 16/20/25/32A, 32/40/50/63/80/100/125A, 160/180/200/250A, 250/315/350/400A, and 500/630A.
Q
What is the rated control power supply voltage for this ATS?
Across all current ratings, the LMS1-NA Series ATS operates on a rated control power supply voltage of AC220V.
Q
What is the service life of the LMS1-NA Series Automatic Transfer Switch?
The LMS1-NA Series ATS offers a mechanical service life of 20,000 operations and an electrical service life of 6,000 operations across all current ratings, ensuring long-term reliability.
Q
Can the LMS1-NA Series ATS be used for both power grid-to-grid and power grid-to-generator transfer?
Yes. The LMS1-NA Series supports two transfer modes: power grids to power grids (configuration a) and power grids to generator (configuration b), providing flexible application for various backup power scenarios.
Q
What is the rated short-time withstand current of the LMS1-NA Series ATS?
The LMS1-NA Series ATS has a rated short-time withstand current of 10KA across all current specifications, providing reliable protection during fault conditions.