Mitsubishi AE1250 SS 1250A 3 Pole Air Circuit Breaker For Low Voltage Power Distribution Systems

The Mitsubishi AE1250-SS is a 1250A, 3-Pole Air Circuit Breaker purpose-built to protect and regulate low-voltage power distribution in demanding industrial and commercial facilities. This heavy-duty device blends rugged construction with precise switching to shield critical electrical networks from faults and overloads.

What sets the AE1250-SS apart is its combination of high interruption capacity and adaptable protection. With a 1250A current rating and a 3-Pole configuration, it delivers secure, multi-phase protection for main incoming feeders and switchboards. The adjustable trip settings give you the control to tailor protection curves to your specific network, optimize selectivity with upstream protection, and reduce nuisance trips without compromising safety.

Key capabilities

• Model / Part Number: AE1250-SS
• Current Rating: 1250A
• Poles: 3-Pole
• Breaker Type: Air Circuit Breaker
• Designed for reliable protection and switching in low-voltage power distribution systems
• Adjustable trip settings to coordinate protection across devices and improve uptime

Ideal use cases and benefits

Use the AE1250-SS where dependable protection for main incoming feeders and switchboards is essential. It’s well-suited for large-scale distribution in industrial environments and high-demand commercial facilities, where a robust, fast-acting interruption is critical to prevent equipment damage, minimize downtime, and safeguard personnel.

• Protects critical power distribution networks from overloads and short circuits
• Allows precise protection coordination through adjustable trip settings
• Delivers reliable performance in demanding low-voltage applications

Compared to standard protection options, the AE1250-SS provides a higher interruption capacity and configurable protection behavior, enabling more effective fault management and smoother system operation. Its Mitsubishi engineering heritage offers confidence in long-term reliability and serviceability within your existing low-voltage infrastructure.

• Compatible with main incoming feeders and switchboards in industrial and commercial facilities
• Supports proactive protection strategies to reduce downtime and equipment wear
• Strong foundation for scalable, safe, and resilient power distribution

In short, the Mitsubishi AE1250-SS 1250A 3-Pole Air Circuit Breaker is a purpose-driven solution for safeguarding low-voltage distribution networks where reliability, rapid fault interruption, and customizable protection settings are non-negotiable. Add it to your panel assemblies and elevate the protection profile of your facility’s power distribution system.