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LMS1-L Series 630A Automatic Transfer Switch ATS - China Suppliers & Factory Certified CE, CB, CCC
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-L can detect the status of two power supply (main power supply and standby power supply), and automatically switch to the standby power supply in the case of main power failure, too low voltage, too high voltage, abnormal frequency, etc., to ensure the continuity of the power load, switching time of 30 milliseconds to ensure that electrical equipment will not stop working due to power outages. When the main power supply return to normal, can automatically switch back to the main power supply.
Model Description
⚠ Notice:
1. Separated type ATS can be chose Y-701(LED) or Y-702(LCD) Controller.
2. ATS without output signal to start generator, Y-701 and Y-702 controller with it.
Working Environment
- Ambient air temperature: Ambient temperature -5℃ to +40℃, and the 24-hour average temperature value does not exceed +35°C. Users whose ambient air temperature is higher than +40°C or lower than -5°C should consult with the manufacturer.
- The highest temperature of atmospheric humidity: When the degree is +40℃, the relative humidity does not exceed 50%, and the maximum relative humidity per month 90%, resistant to the influence of humid air on the sea, and can allow higher relative humidity at lower temperatures. Special measures should be taken for the occasional condensation caused by temperature changes.
- Installation altitude: The altitude of the installation site does not exceed 2000 meters. When used at higher altitudes, the dielectric strength and cooling effect of the air should be considered to be reduced, please consult with the manufacturer.
- Pollution level: The environmental pollution level of the installation site is level 3.
- Installation category: IV.
- Installation inclination: The product is fixedly installed in the cabinet, the maximum inclination is ±22.5°.
- Arcing distance: The arcing distance is 30mm when AC 400V. The arcing distance when AC 690V is 60mm.
Main Technical Parameters
| Model Name | LMS1-L | ||||
| Insulation voltage | AC 690V | ||||
| Rated voltage | AC 400V | ||||
| Rated current | 20A~125A | 160A~250A | 315A~630A | ||
| Rated impulse withstand voltage | 8kV | ||||
| Kind of throw | Double throw | ||||
| Wiring method | Front board | ||||
| Short-time resistance current | 10kA | ||||
| Through to breaking capacity | 17kA | ||||
| Transfer time | A Power | Input | 80ms | 80ms | 100ms |
| Break | 30ms | 30ms | 30ms | ||
| B Power | Input | 100ms | 100ms | 120ms | |
| Break | 30ms | 30ms | 30ms | ||
| Electrical Life | 1000 | 1000 | |||
| Mechanical Life | 5000 | 4000 | |||
| Use type | AC-33ib | ||||
| Accessaries | Manual handle | ||||
Structure and Mounting Dimensions
Frequently Asked Questions
Q1
What is the switching time of the LMS1-L Automatic Transfer Switch?
The LMS1-L ATS has a break time of 30ms for both A Power and B Power across all current ranges (20A–630A). The input (closing) time is 80–100ms for A Power and 100–120ms for B Power depending on the current rating, ensuring electrical equipment continues to operate without interruption.
Q2
Under what conditions will the LMS1-L automatically switch to the standby power supply?
The LMS1-L will automatically switch to the standby power supply when the main power supply experiences a power failure, voltage that is too low, voltage that is too high, or abnormal frequency. When the main power supply returns to normal, the switch will automatically revert back to the main supply.
Q3
What is the rated voltage and insulation voltage of the LMS1-L ATS?
The LMS1-L has a rated voltage of AC 400V and an insulation voltage of AC 690V. The rated impulse withstand voltage is 8kV, ensuring reliable performance in demanding electrical environments.
Q4
What current ratings are available for the LMS1-L series?
The LMS1-L is available in three current ranges: 20A–125A, 160A–250A, and 315A–630A, making it suitable for a wide range of commercial and industrial power distribution applications.
Q5
What is the installation altitude limit for the LMS1-L ATS?
The LMS1-L should be installed at an altitude not exceeding 2000 meters. For installations at higher altitudes, the reduced dielectric strength and cooling effect of air must be considered. Please consult with the manufacturer for guidance on high-altitude applications.
Q6
What controller options are available for the separated type LMS1-L ATS?
For the separated type ATS, you can choose between the Y-701 (LED) Controller or the Y-702 (LCD) Controller. Note that the standard ATS does not include an output signal to start a generator, but both the Y-701 and Y-702 controllers support this feature.