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LMS1-LA Series 100A Automatic Transfer Switch ATS - Reliable China Suppliers | Quality Factory Products
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
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.
3. 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 | ||||
| Accessories | 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 an Automatic Transfer Switch designed to automatically switch the power supply between two sources (Power A and Power B). It ensures continuous power supply to critical loads when one source fails, making it ideal for commercial, industrial, and generator backup applications.
What controller options are available for the separated type ATS?
The separated type ATS can be configured with either the Y-701 (LED) Controller or the Y-702 (LCD) Controller. Both controllers provide output signals to start the generator, while the basic ATS unit without a controller does not include this functionality.
What is the rated current range and voltage of the LMS1-LA ATS?
The LMS1-LA ATS supports a rated current range from 20A to 630A, available in three groups: 20A–125A, 160A–250A, and 315A–630A. The rated voltage is AC 400V, with an insulation voltage of AC 690V.
What are the transfer times for the LMS1-LA ATS?
For Power A: the input transfer time is 80ms (for 20A–250A) or 100ms (for 315A–630A), and the break time is 30ms for all current ranges. For Power B: the input transfer time is 100ms (for 20A–250A) or 120ms (for 315A–630A), and the break time is 30ms for all ranges.
What is the installation altitude limitation for the LMS1-LA ATS?
The recommended installation altitude is no more than 2000 meters. When installed at higher altitudes, the dielectric strength and cooling efficiency of the air are reduced. In such cases, it is necessary to consult the manufacturer for guidance on derating or special configurations.
What are the electrical and mechanical life ratings for the LMS1-LA ATS?
The LMS1-LA ATS offers 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, ensuring reliable long-term performance in demanding environments.