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EOCRDS3-30S

The Schneider Electric EOCRDS3-30S is a compact, MCU-based electronic motor protection relay from the EOCR-DS3 series . It is designed to provide reliable protection for three-phase AC motors against various electrical faults in industrial applications

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Technical Parameters Parameter Value / Range Product Series EOCR-DS3 Model EOCRDS3-30S Protection Functions Overcurrent, Phase Loss, Unbalance, Locked Rotor, Reverse Phase (selectable) Current Setting Range 3 ~ 30 A Control Voltage 24 ~ 240 VAC/DC (Wide Range) Frequency 50/60 Hz Contact Configuration 2-SPST (1a + 1b) - selectable N or R type Contact Operation R-type: Contacts in normal state when power applied (95-96 closed, 97-98 open) N-type: Contacts reverse state when power applied (95-96 open, 97-98 closed) - Fail-safe Contact Rating 3A / 250V AC (Resistive load) Start Delay Time (D-TIME) 0 ~ 50 sec (adjustable) Overcurrent Time Setting (O-TIME) 0.2 ~ 10 sec (adjustable) Phase Loss Trip Time ≤ 4 sec Phase Unbalance Trip Time ≤ 8 sec (estimated based on similar models) Reverse Phase Trip Time ≤ 0.3 sec Locked Rotor Trip Time D-TIME + O-TIME Time-Current Characteristic Definite time Mounting Type 35mm DIN rail or Panel Mount (screw fixing) Wiring Method Terminal type (lug-clamp terminals) - requires external CTs Wire Gauge 1 ~ 2.5 mm² flexible cable Operating Temperature -20°C to +60°C Storage Temperature -30°C to +80°C Dimensions (WxHxD) 70 mm x 71 mm x 68 mm Weight Approx. 0.163 kg Insulation Voltage (Ui) 600 VAC Rated Impulse Withstand Voltage (Uimp) 6 kV Dielectric Strength 2.0 kV (housing to circuit) Power Consumption ≤ 3 W Protection Class IP20 (Enclosure) Certifications CCC, CE, UL