LMQ2Y Intelligent ATS Circuit Breaker with Controller
LMQ2Y Intelligent ATS Circuit Breaker with Controller
Model name: LMQ2Y
Rated current: 63A, 100A, 225A, 400A, 630A, 800A
Rated voltage: AC400V 50Hz
Poles: 3P, 4p
Control voltage: AC160 ~ 250V 50/60Hz
Conversion time: 4 seconds or less
Working position: normal, standby, stop
Voltage detection: three-phase over-voltage, under-voltage, lack of phase
The opening delay time t 1:1 ~ 240s can be adjusted continuously
The closing delay time t 2:1 ~ 240s can be adjusted continuously
Model name: LMQ2Y
Rated current: 63A, 100A, 225A, 400A, 630A, 800A
Rated voltage: AC400V 50Hz
Poles: 3P, 4p
Control voltage: AC160 ~ 250V 50/60Hz
Conversion time: 4 seconds or less
Working position: normal, standby, stop
Voltage detection: three-phase over-voltage, under-voltage, lack of phase
The opening delay time t 1:1 ~ 240s can be adjusted continuously
The closing delay time t 2:1 ~ 240s can be adjusted continuously
1. Product Overview
2. Key Specifications
| Parameter | Details |
|---|---|
| Model | LMQ2 Series (CB class) |
| Poles | 4P (3-phase + neutral) |
| Rated Current (In) | 63A / 100A / 225A / 400A / 630A / 800A (options) |
| Rated Operational Voltage (Ue) | AC 400V / 50Hz |
| Rated Insulation Voltage (Ui) | AC 690V |
| Rated Short-Time Withstand Current | 6kA / 10kA (depending on model) |
| Controller Type | Intelligent digital ATS controller with LED display |
| Control Modes | Automatic, Manual |
| Switching Mechanism | Motorized with mechanical interlock (prevents simultaneous source connection) |
| Transfer Logic | Configurable voltage/frequency thresholds, delay times, generator start/stop control |
| Mounting Type | Panel mount |
| Enclosure Rating | IP20 (front face) |
| Compliance Standards | IEC 60947-6-1, GB/T 14048.11 |
| Operating Temperature | -10°C ~ +60°C |
| Mechanical Life | ≥10,000 operations |
3. Installation Dimension
4. Core Features
✅ All-In-One ATS Assembly: Complete integrated unit including the transfer switch mechanism and digital controller, eliminating separate component installation.
✅ Fail-Safe Mechanical Interlock: Prevents simultaneous connection of both power sources, eliminating cross-connection risks and ensuring compliance with safety codes.
✅ Intelligent Digital Controller: LED display shows real-time mains/generator voltage, frequency, and status; configurable transfer logic and generator control settings.
✅ Multi-Mode Operation: Supports automatic (auto-switching), manual (direct control), and test modes for maintenance and system verification.
✅ Seamless Power Transfer: Automatically switches between mains and generator power based on configurable thresholds, minimizing downtime for critical loads.
✅ Compact Design: Space-saving form factor with integrated components, suitable for installation in standard distribution panels and ATS cabinets.
✅ User-Friendly Interface: Dedicated control buttons and status indicators simplify operation, troubleshooting, and maintenance procedures.
✅ Robust Construction: Heavy-duty housing and high-quality contacts ensure reliable performance in demanding commercial and industrial environments.
5. Applications
- Commercial building backup power systems
- Industrial facility critical load protection
- Data center and server room power distribution
- Telecommunications tower and base station power systems
- Hospital and healthcare facility emergency power
- Mining and remote site power systems
- Generator rental and portable power units
6. Why Choose LVMA LMQ2 Series ATS?
- Integrated, Easy Installation: All-in-one ATS assembly reduces wiring complexity, installation time, and the risk of errors.
- Fail-Safe Operation: Mechanical interlock ensures only one power source is connected at a time, providing maximum safety.
- Flexible & Configurable: Customizable transfer delays, voltage thresholds, and generator control settings adapt to diverse system requirements.
- Reliable Power Continuity: Seamless automatic transfer ensures uninterrupted power supply, protecting critical loads from outages.
- Compact & Space-Saving: Integrated design minimizes panel space usage, making it suitable for installations with limited room.
- Compliant & Certified: Meets IEC 60947-6-1 standards, ensuring safety and performance for global commercial and industrial applications.
7. Technical Documents & Support
- Download the full datasheet for detailed specifications, wiring diagrams, and configuration instructions.
- Contact our engineering team for custom current ratings or OEM solutions for large-scale ATS projects.
- Request a quote with your project details for bulk pricing, lead times, and compliance certifications.
1. Product Overview
2. Key Specifications
| Parameter | Details |
|---|---|
| Model | LMQ2 Series (CB class) |
| Poles | 4P (3-phase + neutral) |
| Rated Current (In) | 63A / 100A / 225A / 400A / 630A / 800A (options) |
| Rated Operational Voltage (Ue) | AC 400V / 50Hz |
| Rated Insulation Voltage (Ui) | AC 690V |
| Rated Short-Time Withstand Current | 6kA / 10kA (depending on model) |
| Controller Type | Intelligent digital ATS controller with LED display |
| Control Modes | Automatic, Manual |
| Switching Mechanism | Motorized with mechanical interlock (prevents simultaneous source connection) |
| Transfer Logic | Configurable voltage/frequency thresholds, delay times, generator start/stop control |
| Mounting Type | Panel mount |
| Enclosure Rating | IP20 (front face) |
| Compliance Standards | IEC 60947-6-1, GB/T 14048.11 |
| Operating Temperature | -10°C ~ +60°C |
| Mechanical Life | ≥10,000 operations |
3. Installation Dimension
4. Core Features
✅ All-In-One ATS Assembly: Complete integrated unit including the transfer switch mechanism and digital controller, eliminating separate component installation.
✅ Fail-Safe Mechanical Interlock: Prevents simultaneous connection of both power sources, eliminating cross-connection risks and ensuring compliance with safety codes.
✅ Intelligent Digital Controller: LED display shows real-time mains/generator voltage, frequency, and status; configurable transfer logic and generator control settings.
✅ Multi-Mode Operation: Supports automatic (auto-switching), manual (direct control), and test modes for maintenance and system verification.
✅ Seamless Power Transfer: Automatically switches between mains and generator power based on configurable thresholds, minimizing downtime for critical loads.
✅ Compact Design: Space-saving form factor with integrated components, suitable for installation in standard distribution panels and ATS cabinets.
✅ User-Friendly Interface: Dedicated control buttons and status indicators simplify operation, troubleshooting, and maintenance procedures.
✅ Robust Construction: Heavy-duty housing and high-quality contacts ensure reliable performance in demanding commercial and industrial environments.
5. Applications
- Commercial building backup power systems
- Industrial facility critical load protection
- Data center and server room power distribution
- Telecommunications tower and base station power systems
- Hospital and healthcare facility emergency power
- Mining and remote site power systems
- Generator rental and portable power units
6. Why Choose LVMA LMQ2 Series ATS?
- Integrated, Easy Installation: All-in-one ATS assembly reduces wiring complexity, installation time, and the risk of errors.
- Fail-Safe Operation: Mechanical interlock ensures only one power source is connected at a time, providing maximum safety.
- Flexible & Configurable: Customizable transfer delays, voltage thresholds, and generator control settings adapt to diverse system requirements.
- Reliable Power Continuity: Seamless automatic transfer ensures uninterrupted power supply, protecting critical loads from outages.
- Compact & Space-Saving: Integrated design minimizes panel space usage, making it suitable for installations with limited room.
- Compliant & Certified: Meets IEC 60947-6-1 standards, ensuring safety and performance for global commercial and industrial applications.
7. Technical Documents & Support
- Download the full datasheet for detailed specifications, wiring diagrams, and configuration instructions.
- Contact our engineering team for custom current ratings or OEM solutions for large-scale ATS projects.
- Request a quote with your project details for bulk pricing, lead times, and compliance certifications.
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