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LMS1-LA Series 100A Automatic Transfer Switch ATS - CE Certified China Suppliers & Factory
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.
Model Description
Notice
- Separated type ATS can be chose Y-701 (LED) or Y-702 (LCD) Controller.
- ATS without output signal to start generator; Y-701 and Y-702 controller with it.
- Working mode depends on the setting of controller; two position LA type ATS only available for self-input and self-recover.
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 is 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 | LMS1-LA | ||||
| 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
What is the LMS1-LA Automatic Transfer Switch (ATS) and what is it used for?
The LMS1-LA is a double-throw Automatic Transfer Switch designed to automatically switch electrical loads between two power sources (A Power and B Power). It is commonly used to ensure continuous power supply in applications where an uninterrupted power source is critical, such as hospitals, data centers, and industrial facilities.
What controller options are available for the separated type LMS1-LA ATS?
The separated type LMS1-LA ATS can be equipped with either the Y-701 (LED display) or Y-702 (LCD display) controller. Both the Y-701 and Y-702 controllers support output signals to start a generator, while the basic ATS unit without a controller does not include this feature.
What are the rated current ranges available for the LMS1-LA ATS?
The LMS1-LA ATS is available in three rated current ranges: 20A–125A, 160A–250A, and 315A–630A, all operating at a rated voltage of AC 400V and an insulation voltage of AC 690V. This allows the product to be selected based on the specific load requirements of your installation.
What are the transfer times for the LMS1-LA ATS?
Transfer times vary by current range. For A Power input: 80ms (20A–125A and 160A–250A) and 100ms (315A–630A); break time is 30ms for all ranges. For B Power input: 100ms (20A–125A and 160A–250A) and 120ms (
315A–630A); break time is 30ms for all ranges.
What are the installation requirements and environmental conditions for the LMS1-LA ATS?
The LMS1-LA ATS should be installed at an altitude not exceeding 2000 meters, in an environment with an ambient temperature between -5℃ and +40℃, and a relative humidity not exceeding 50% at +40℃. The installation site should have a pollution level of 3, installation category IV, and the product must be fixedly mounted in a cabinet with a maximum inclination of ±22.5°. Users with conditions outside these ranges should consult the manufacturer.
What is the electrical and mechanical lifespan of the LMS1-LA ATS?
The LMS1-LA ATS has an electrical life of 1000 operations across all current ranges. The mechanical life is 5000 operations for the 20A–250A range and 4000 operations for the 315A–630A range. The switch is rated for use type AC-33ib and comes with a manual handle as a standard accessory.