AUTOMATIC TRANSFER SWITCH MDQ3
MOREDAY MDQ3 ATS switch AC110V/220V/400V 63A CB level.
- High-quality design, reasonable structure
- Full protection
- Simple installation and easy operation
- Reliable remote double-break
- Reliable conversion for optimized energy

Stable Deliivery Time
Technical Support
2 Years

Moreday MDQ3 Dual Power ATS Switch
The Moreday MDQ3 Dual Power Automatic Transfer Switch (ATS) is designed to seamlessly switch between two power sources, ensuring a continuous supply of electricity to critical systems without interruption. This device is essential for environments where power stability is crucial, such as hospitals, banks, high-rise buildings, and military facilities.

Automatic Switching
Automatically transfers load between main and backup power sources without operator intervention, minimizing the risk of power outage.


Robust Protection
Equipped with overcurrent and interruption protection, ensuring safety and longevity of the electrical systems it serves.
Flexible Installation
Available in three and four-pole versions, accommodating different wiring setups and requirements.


Manual Operation Capability
Allows manual control in scenarios where automatic switching is not desirable, providing an additional layer of operational flexibility.
Benefits

Minimized Downtime
Rapid switching capabilities reduce the risk of power disruptions, thus decreasing potential downtime costs.

Enhanced Safety
Provides an extra layer of safety by automatically managing power transfers during outages, reducing the likelihood of accidents.

Operational Efficiency
Increases overall operational efficiency by ensuring stable power supply, crucial for high-performance settings.
Applicable Scenarios
Healthcare Facilities
Commercial Buildings
Industrial Sites
Why Choose Moreday?

Customization
Available with OEM options to align with your specific branding needs.

Support
Backed by Moreday’s comprehensive support and service network, ensuring quick assistance and maintenance.
SPECIFICATION
Feature | Inside an AC Breaker |
Rated operating current le(A) | 6-63A |
Rated insulation voltage Ul | 690V |
Rated impulse withstand voltage Uimp | 8kV |
Rated working voltage Ue | AC110V/AC220V/AC400V |
Rated frequency | 50/60Hz |
Class | PC class: can be switched on and loaded without generating short-circuit current |
Pole number | 2P/4P |
Rated short-circuit current lq | 5kA |
Short circuit protection device (fuse) | RT16-00-63A |
Rated impuse withstand voltage | 8kV |
Control circuit | Rated control voltage Us:AC220V/110V,50/60Hz Normal working conditions: 85%Us-110%UsYou must use an inverter with a power output of at least 300oW (please use a sine wave.Severe electromagnetic interference may cause the product to malfunction.) |
Overoltage/undervoltage protection range(return to normal 30s) | 220V/50Hz undervoltage value: 175V Recovery value: 190V Overvoltage value:270V Recovery value: 250V (±5V)110V/50Hz undervoltage value:85V Recovery value: 90V Overvoltage value: 140V Recovery value: 135 (±5V) |
Mechanical life | ≥8000times |
Electrical life | ≥1500times |
Usage category | AC-31B |
FAQ`s.
1. What is an Automatic Transfer Switch (ATS)?
An Automatic Transfer Switch (ATS) is a device that automatically transfers a power load from its primary source to a secondary source when it detects a failure or outage in the primary source, ensuring continuous power supply without manual intervention.
2. How does the MDQ3 ATS detect a power failure?
The MDQ3 ATS continuously monitors the voltage levels of the primary power source. If a drop below a pre-set threshold is detected, it automatically switches to the backup power source, ensuring uninterrupted power supply.
3. Can the MDQ3 ATS handle both commercial and industrial power requirements?
Yes, the MDQ3 ATS is designed to handle up to 380V of rated working voltage, making it suitable for both commercial and industrial environments that require robust power management solutions.
4. What maintenance is required for the MDQ3 ATS?
Regular maintenance for the MDQ3 ATS includes checking and replacing the fuses as necessary, ensuring clean and secure connections at terminals, and occasionally testing the manual operation to verify functionality.
5. Can I use the MDQ3 ATS with generator power?
Yes, the MDQ3 ATS can be used with generator power as a backup source. It ensures seamless transition between the utility power and the generator during outages.
6. Where can I find technical support for the MDQ3 ATS?
Technical support for the MDQ3 ATS is available through Moreday's customer service channels. Our team of experts is ready to assist with installation guidance, troubleshooting, and any operational queries.






