Home Complementary Electrical Products MTQ3 Automatic Transfer Switch

MTQ3 Automatic Transfer Switch

MTQ3 Automatic Transfer Switch

The MTQ3 Series is a compact automatic transfer switch for dual power supply systems, providing automatic or manual switching between normal and backup power sources with fast transfer performance and DIN-rail installation for residential, solar, generator, and small distribution applications.

• Automatic transfer between normal and backup power supplies
• Suitable for city power, generator, and solar inverter backup systems
• Compact design for household and small distribution boards
• Supports automatic and manual operation
• Fast transfer time under 50ms
• Available in 2P, 3P, and 4P versions
• Rated current options from 16A to 100A
• Rated operating voltage AC400V
• Designed for easy installation and reliable long-term operation
• Complies with IEC 60947-6-1 and IEC 60947-3 standards

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Product Data-sheet

Features & Advantages

feature

Automatic Dual Power Switching

Automatically transfers the load from the normal power source to the backup power source when the main supply becomes abnormal, helping improve power continuity.

Multiple Power Source Compatibility

Suitable for city power, generator backup, and solar inverter applications, making it flexible for different residential and small power distribution scenarios.

Automatic & Manual Operation

Supports both automatic transfer and manual switching, allowing users to operate the system flexibly during installation, testing, or maintenance.

Compact Distribution Board Design

Designed for household and small distribution boxes, with 2P, 3P, and 4P options to match different circuit configurations.

Fast Transfer Performance

With operating transfer time under 50ms, MTQ3 helps reduce power interruption time during source switching.

Target

Application Areas

01
Residential Backup Power

Automatically switch household circuits from city power to backup power when the main supply fails, improving power continuity for daily electrical loads.
02
Generator Backup Systems

Connect city power and generator backup power to support automatic source transfer for homes, shops, and small facilities.
03
Solar PV Backup Systems

Suitable for solar inverter backup applications where the system needs to switch between PV inverter output and city power.
04
Small Commercial Distribution Boards

Provide dual power switching for small offices, retail stores, workshops, and other light commercial distribution systems.