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METSE DM2111

The MTZ DM2111 is a Digital Micrologic 2.1 electronic trip unit designed for Schneider Electric's MasterPact MTZ series of air circuit breakers. It serves as the intelligent core for protection, basic measurement, and local control of the breaker within an electrical distribution system.

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Specifications: Parameter Specification Product Range MasterPact MTZ (Accessories - Trip Units) Device Type Digital Micrologic Electronic Trip Unit (Series 2.1) Rated Breaker Frame For use with compatible MasterPact MTZ circuit breakers. Protection Functions • Long-Time Delay (Ir) • Short-Time Delay (Isd) • Instantaneous (Ii) Note: This model (DM2111) does NOT include Ground Fault (Ig) protection. Measurement & Display • Front LCD Display • Measures: Phase Currents (IL1, IL2, IL3), Voltage, Frequency, Power (kW, kVA), Energy (kWh). Current Sensor Configuration Configured for External 1:1 Current Transformers (CTs). The "11" suffix specifically indicates this requirement. The breaker's internal sensors are bypassed, and measurement/protection is based on signals from externally wired CTs with a 1:1 ratio. Communication Capability Basic. Typically includes a USB port for local configuration using EcoStruxure Power Commission software. Does not have built-in Ethernet. For network communication (Modbus TCP, etc.), an additional communication module (e.g., MTZ IFE Ethernet) must be installed. Settings & Configuration Via front-panel buttons and display, or via USB and software. Standards & Approvals IEC 60947-2, UL 489, CSA, CE, etc.