Programmable Auto-Reclosing Logic
• Customizable Reclosing Logic: Allows users to define reclosing attempts (0–9 times) and delay intervals (5s–180s) via manual dial adjustment.
• Secure Logic Lockout: Automatically enters a logic lock status and restricts the handle to the OFF position if the preset reclosing limit is exceeded.
Optional Remote Control
→ MT51AS RS485 control
→ MT51AI IO control
Enhanced Design & Superior Durability
• Standard 36 mm Modular Design:
Featuring a standard 36mm width for the control unit, this design supports extensive functional expansion and provides more room for professional customization. It allows for flexible side-mounting on standard 35 mm DIN rails.
• Superior Durability:
Built for longevity with a mechanical life of 20,000 operations, doubling the standard performance of domestic and foreign competitors.
Versatile Integration & Performance
• High Compatibility:
Seamlessly works with RCCB/RCBO from major brands, including Schneider, Nader, and Chint, etc., allowing for flexible system integration.
• Reliable Synchronicity:
Features a double fulcrum parallel drive to ensure reliable and synchronized closing for 4P breakers.
Smart Feedback & Safety Security
• Advanced Safety:
Includes a triple-mode toggle switch (Auto, Manual, Lock) and a physical safety lock jack to prevent accidental remote power-on during maintenance.
• Optional Aux Status Output:
Provides real-time ON/OFF status feedback through a dedicated signal output port, allowing remote monitoring systems to confirm device execution.












