The MTZ DM2101 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 protection and control core, providing essential protection and measurement functions for electrical distribution systems.
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 specific MasterPact MTZ circuit breaker frames.
Protection Functions • Long-Time Delay (Ir)
• Short-Time Delay (Isd)
• Instantaneous (Ii)
Measurement & Display • Front LCD Display
• Basic Measurements: Phase Currents (IL1, IL2, IL3), Voltage, Frequency.
Current Sensor Rating Standard (Compatible with the breaker's built-in current sensors. Does not require external CTs like the 1.5A models).
Ground Fault Protection Not Included in the DM2101. Models with ground fault protection have different suffixes (e.g., DM2105, DM2115).
Communication Capability Limited. May have a basic communication port (e.g., USB for configuration via EcoStruxure Power Commission software). Does not have built-in Ethernet. For network connectivity, an additional communication module (IFE/MIF) must be added.
Settings & Configuration Via front-panel buttons and display, or via USB/Software.
Standards & Approvals IEC 60947-2, UL 489, CSA, CE, etc.