Schneider Electric MasterPact MTZ Circuit Breaker Product Features 1. High Current, High Breaking Capacity The MasterPact MTZ covers multiple frame classes to meet the needs of large industrial and commercial power distribution systems. The IEC series offers a total rated current of approximately 630A–6300A and provides various breaking classes, suitable for critical circuits such as transformer incoming lines, low-voltage main incoming lines, and bus tie lines. 2. MicroLogic X Intelligent Control Unit Utilizing the advanced MicroLogic X control unit, protection, measurement, diagnostics, and maintenance functions are integrated into a single platform. Depending on the configuration, it can provide protection against long-delay, short-delay, instantaneous, and ground faults, and its functionality can be expanded through digital modules. 3. High-Precision Energy Measurement Built-in high-precision energy metering function, some configurations support Class 1 active power and energy measurement, enabling real-time monitoring of equipment operation and energy usage, which is beneficial for energy management and fault analysis. 4. Digitalization and Intelligent Communication MTZ is a key product in Schneider Electric's digital low-voltage power distribution system, enabling intelligent connectivity, remote monitoring, and wireless maintenance. It can be integrated with Schneider Electric's EcoStruxure Power system. It supports wireless alarm monitoring, parameter viewing, and maintenance operations via smartphone. 5. Digital Module Expansion Users can add digital modules to expand the functionality of the MicroLogic X control unit according to actual project needs, without simply relying on hardware replacement to add advanced functions. This makes future upgrades and function customization more flexible. 6. Fixed and Drawout Structures It is available in both **fixed** and **drawout** structures, with 3P and 4P configurations, facilitating selection for different low-voltage switchgear solutions. The drawout structure is particularly suitable for applications requiring rapid maintenance and replacement, as well as improved power supply continuity. 7. Strong Reliability and Environmental Adaptability The product is designed for durability in industrial environments, adapting to complex operating environments such as temperature, humidity, vibration, altitude, and electromagnetic interference. Schneider Electric's data indicates a typical operating temperature range of -25°C to +70°C. 8. A wide range of accessory options: It can be configured with various accessories such as shunt trip units, closing coils, auxiliary contacts, electric energy storage mechanisms, and communication modules, facilitating remote opening and closing, status monitoring, and automated control.

High breaking capacity: Suitable for large-capacity low-voltage power distribution systems, capable of protecting main incoming lines, bus couplers, and important feeders. MicroLogic X Intelligent Trip Unit: Integrates protection, measurement, diagnostics, and communication functions, providing protection against overload, short circuit, transient, and ground faults. High-precision power measurement: Supports monitoring of key electrical parameters such as current, voltage, power, energy, and frequency, providing data for energy management and operational analysis. Strong digital capabilities: Supports digital module expansion, allowing for the addition of protection, measurement, and diagnostic functions according to project needs. Intelligent communication and remote monitoring: Can be integrated into the Schneider EcoStruxure Power architecture for digital management of equipment status, alarms, and operational data. Wireless connectivity: MicroLogic X supports parameter viewing, maintenance, and diagnostics via NFC, Bluetooth, etc., improving on-site maintenance efficiency. Fixed/Drawout design: Offers fixed and drawout installation options; the drawout design facilitates maintenance and quick replacement. Modular accessory design: Configurable with electric operating mechanisms, shunt trips, undervoltage trips, auxiliary contacts, and communication accessories, facilitating the formation of automated power distribution solutions. High reliability and ease of maintenance: Designed for critical low-voltage power distribution applications, it utilizes operational status and diagnostic information to assist in preventative maintenance, reducing unplanned downtime. Wide application range: Suitable for low-voltage main incoming lines, bus couplers, generator protection, high-capacity feeders, and critical power distribution systems with high requirements for power supply continuity.