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China LMS1-SA Series Automatic Transfer Switch ATS 630A Suppliers and Factory, Reliable Power Management Solution
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-SA is suitable for AC 400V and below, the rated frequency is 50Hz. In the power system, the controller and transfer switch can quickly transfer the load from the main power supply to the standby power supply when there is phase loss, overvoltage, etc.
Model Description
Main Technical Parameters
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Model Name |
LMS1-63SA |
LMS1-125SA |
LMS1-250SA |
LMS1-630SA |
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Rated insulation voltage(Ui) |
AC 690V |
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Rated working voltage(Ue) |
AC 230V(2P) / AC 400V |
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Rated working current(Ie) |
16~63A |
20~125A |
160~250A |
315~630A |
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Rated concussion withstand voltage(Uimp) |
8kV |
12kV |
6kV |
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Using category |
AC-33B |
AC-33iB |
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Kind of throw |
Double throw |
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Wiring method |
Front board |
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Poles |
2P |
3P |
4P |
2P |
3P |
4P |
2P |
3P |
4P |
2P |
3P |
4P |
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Performance |
Rated Short-time withstand current |
5kA |
10kA |
12.6kA |
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Rated operating short-circuit breaking capacity |
8kA |
25kA |
30kA |
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Electrical Life / Mechanical Life |
6000/20000 |
1000/4000 |
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Structure and Mounting Dimensions
- ▶ Start generator: When fault occurs in the normal power, this port will connect after delaying some time.
- ▶ Fire-fighting: Connect the fire-fighting port, double disconnecting light is on, the ATS double disconnect. Remove the connection, push the automatic/manual pushbutton to reset.
- ▶ Fire-fighting feedback: When ATS is in double-disconnecting state, the fire-fighting port connects.
- ▶ Normal close: When the normal power of ATS is in closing state, closing signal without power is output from this port.
- ▶ Standby close: When the standby power of ATS is in closing state, closing signal without power is output from this port.
- ▶ Normal earth wire: When ATS are 3 phases, the normal earth wire is connected into this port.
Frequently Asked Questions
Q
What is the LMS1-SA automatic transfer switch used for?
The LMS1-SA is a PC-type automatic transfer switch designed for AC 400V and below power systems at 50Hz. It is used to automatically transfer loads from the main power supply to a standby power supply when faults such as phase loss or overvoltage occur, ensuring uninterrupted power supply.
Q
What current ratings are available for the LMS1-SA series?
The LMS1-SA series covers a wide range of rated working currents: LMS1-63SA (16~63A), LMS1-125SA (20~125A), LMS1-250SA (160~250A), and LMS1-630SA (315~630A), making it suitable for various load requirements.
Q
What pole configurations are available for the LMS1-SA?
The LMS1-SA automatic transfer switch is available in 2P, 3P, and 4P configurations across all model variants (LMS1-63SA, LMS1-125SA, LMS1-250SA, and LMS1-630SA), supporting both single-phase and three-phase applications.
Q
What is the electrical and mechanical life of the LMS1-SA?
For the LMS1-63SA, LMS1-125SA, and LMS1-250SA models, the electrical life is 6,000 operations and the mechanical life is 20,000 operations. For the LMS1-630SA model, the electrical life is 1,000 operations and the mechanical life is 4,000 operations.
Q
Does the LMS1-SA support fire-fighting integration?
Yes. The LMS1-SA features a dedicated fire-fighting port. When connected, the double disconnecting indicator lights up and the ATS enters double-disconnect mode. The fire-fighting feedback port also provides a signal when the ATS is in the double-disconnecting state, enabling integration with fire protection systems.
Q
What is the rated insulation voltage and impulse withstand voltage of the LMS1-SA?
The rated insulation voltage (Ui) for all LMS1-SA models is AC 690V. The rated impulse withstand voltage (Uimp) varies by model: 8kV for LMS1-63SA, 12kV for LMS1-125SA and LMS1-250SA, and 6kV for LMS1-630SA.