MT-M1 3/4P AC Molded Case Circuit Breaker, 63A–1600A, Reliable Electrical Protection

The MT-M1 series molded case circuit breaker (MCCB) is engineered to deliver reliable protection and control in AC 50Hz power distribution systems, with rated operational voltages up to 400V and currents ranging from 63A to 1600A. Designed to safeguard circuits and connected equipment, the MT-M1 efficiently interrupts overloads, short circuits, and undervoltage conditions, while also managing occasional motor starting without compromising system integrity.

Compact yet robust, this MCCB features a superior breaking capacity and minimal arcing, ensuring long-term operational reliability. Its modular design allows both vertical and horizontal mounting, providing flexible installation in tight electrical panels or motor control centers. Fully certified to IEC 60947-2 and GB14048.2, the MT-M1 meets international quality and safety standards.

Key Features

1. High-Performance Protection – Swiftly interrupts dangerous overcurrent and short-circuit events, protecting wiring and connected devices.
2. Versatile Trip Units – Available in thermal-magnetic or electronic options for accurate overload, short-circuit, and ground fault detection.
3. Compact and Space-Saving Design – Optimized dimensions allow integration into high-density distribution panels without sacrificing performance.
4. Durable Construction – Thermoset casing resists heat and mechanical stress, ensuring longevity and safety.
5. Easy Maintenance – Front-access components, clear trip indicators, and modular assembly simplify inspection and replacement.
6. Adaptable Application – Suitable for industrial machinery, commercial buildings, renewable energy systems, and utility networks.

Applications

 The MT-M1 MCCB provides dependable protection in diverse electrical systems, including:

* Main and secondary power distribution panels

* Motor control centers and starter panels

* Generator protection circuits

* Industrial and manufacturing machinery

* Commercial and residential electrical installations

* Solar and wind energy integration systems

Its versatile design supports custom trip settings for various loads, from standard lighting circuits to heavy motor loads, reducing the risk of electrical fires, equipment damage, and unexpected downtime.

Competitive Advantages

Why Choose the MT-M1 Molded Case Circuit Breaker:

1. Precision Engineering – Thermal-magnetic trip units and optional electronic units ensure accurate overload and short-circuit response.
2. High Breaking Capacity – Up to 50kA, with advanced arc quenching for safe and reliable operation.
3. Long-Term Reliability – Endures at least 30,000 electrical cycles; stable performance from -25°C to +70°C.
4. Installation Convenience – Compact size, easy front-access maintenance, and visible contact indicators.
5. Cost-Effective Solution – Durable materials and self-lubricating components reduce maintenance costs; direct factory pricing with 3-year warranty.
6. Technical Support – Customized calibration, global certification assistance, and expert 24/7 support.

With German-inspired engineering and efficient manufacturing, the MT-M1 MCCB delivers premium protection for electrical systems worldwide while offering significant cost savings and operational reliability.