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EOCR3MZ2-WRDUWZ

The Schneider Electric EOCR3MZ2-WRDUWZ is a multifunctional, intelligent electronic motor protection relay from the EOCR-3MZ2 series. It features a compact, integral design with digital monitoring capabilities for comprehensive three-phase AC motor protection. This advanced MCU-based device provides real-time current measurement and extensive protection functions against various electrical faults.

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Technical Parameters Parameter Value / Range Product Series EOCR-3MZ2 Model EOCR3MZ2-WRDUWZ Protection Functions Overcurrent, Undercurrent, Phase Loss, Reverse Phase, Unbalance, Locked Rotor, Jamming, Ground Fault, Short Circuit Current Setting Range 0.5 ~ 60 A (Direct with built-in CTs) Current Extension Up to 960 A (using external CTs with 5A secondary) Control Voltage 100 ~ 240 VAC/DC (Wide Range) Contact Configuration 3 Independent Relays with communication interface Contact Rating 3A / 250V AC (Resistive load) Overcurrent Time Setting Definite Time: 0.05 ~ 30 sec / Inverse Time: 1 ~ 30 class Undercurrent Time Setting 0.5 ~ 30 sec / OFF Ground Fault Setting 0.02 ~ 3 A Ground Fault Trip Time 0.05 ~ 10 sec Start Delay (D-TIME) 1 ~ 200 sec Phase Loss Trip Time ≤ 3 sec Phase Unbalance Trip Time ≤ 8 sec Reverse Phase Trip Time 0.1 ~ 0.3 sec Short Circuit Trip Time ≤ 30 ms Measurement Accuracy ± 1% (RMS Current Measurement) Mounting Type 35mm DIN-Rail or Panel Mount Wiring Method Through-hole type (Window) for main conductors Communication Protocol Modbus RTU / RS-485 (integrated) Operating Temperature -20°C to +60°C Frequency Response 20 ~ 400 Hz Display 7-segment LED Insulation Voltage 600 VAC Power Consumption ≤ 5 VA Protection Class IP20 (Enclosure) Dimensions (WxHxD) 90 mm x 40 mm x 91 mm Weight Approx. 0.18 kg