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0102030405
LMS1-NA Series 630A ATS Automatic Transfer Switch from China Suppliers and Factory - CE Certified
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.
The product consists of two parts: switch body and intelligent ATS controller. The switch body with an electrical and mechanical interlock. The closing indication is used as an indicator of the isolation function. The product used solenoid actuate, double wire loop DC pulse operation. The operation power of the conversion controller adopts the line voltage 220V of main power and standby power supply.
Model Description
Working Conditions
- 1Ambient Air Temperature: Ambient air temperature -5°C to +40°C, and the 24-hour average temperature value does not exceed +35°C. With ambient air temperatures above +40°C or below -5°C, users should consult with the manufacturer.
- 2Air Humidity: When the maximum temperature is +40°C, the relative humidity is not more than 50%. Monthly maximum relative humidity 90%. It can tolerate the influence of humid air at sea and allow at lower temperatures. With higher relative humidity, special measures should be taken for the occasional condensation produced by temperature changes.
- 3Installation Height: The installation site is not more than 2000 meters above sea level. For higher heights, considering the decrease in dielectric strength and cooling effect of air at higher altitudes, users should consult with the manufacturer.
- 4Pollution Level: The environmental pollution level of the installation site is level 3.
- 5Installation Category: Installation Category is IV.
- 6Mounting Inclination: The product is fixedly installed in the cabinet with a maximum inclination of ±22.5°.
- 7Arcing Distance: The arcing distance is 80mm when AC is 400V. The arcing distance can be ignored when using below 125 Ampere.
- 8Use Category: AC-33B
Main Technical Parameters
| Rated Current | 16/20/25/32A | 32/40/50/63/80/100/125A | 160/180/200/250A | 250/315/350/400A | 500/630A | |
| Control 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: It is 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: It is neutral terminal of standby power for 3-pole ATS
Structure and Mounting Dimensions
Frequently Asked Questions
Q What is the rated control voltage for the LMS1-NA Series ATS?
The rated control voltage for all current ratings in the LMS1-NA Series ATS is AC 220V, derived from the line voltage of both the main power and standby power supply.
Q What is the maximum installation altitude for this automatic transfer switch?
The standard installation site should not exceed 2000 meters above sea level. For installations at higher altitudes, users should consult the manufacturer, as dielectric strength and the cooling effect of air may be reduced.
Q What are the mechanical and electrical service life ratings of this ATS?
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 available current ratings.
Q What is the use category and pollution level of this transfer switch?
The LMS1-NA Series ATS is rated for use category AC-33B and is designed for installation environments with a pollution level of 3, making it suitable for industrial applications.
Q Can this ATS be used for both power grid-to-power grid and power grid-to-generator switching?
Yes, the LMS1-NA Series ATS supports two configurations: Type A for power grid-to-power grid switching and Type B for power grid-to-generator switching, as indicated in the wiring diagram.
Q What humidity conditions is this ATS designed to withstand?
At a maximum temperature of +40°C, the relative humidity should not exceed 50%. The monthly maximum relative humidity is 90%. The product can tolerate humid air conditions typical of coastal environments, though special measures are required if condensation may occur due to temperature fluctuations.