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EOCRDS3-30NM7Q

The EOCRDS3-30NM7Q is a compact and reliable electronic motor protection relay from the EOCR-DS3 series, part of Schneider Electric's comprehensive motor protection portfolio (originally developed by nVent/Samwha EOCR). This microprocessor-based relay is specifically designed to provide essential protection for three-phase AC motors against common electrical faults in a space-saving package with advanced features.

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Key Specifications Parameter Value Brand Schneider Electric (formerly nVent/Samwha EOCR) Series EOCR-DS3 Product Type Electronic Motor Protection Relay with Digital Display Model / Reference EOCRDS3-30NM7Q Technology Microcontroller (MCU) based with real-time processing Current Measurement 2-CT (2 Current Transformer) design Current Setting Range 30 type: 3 - 30 A (adjustable) Control Voltage 7: 220VAC 50/60Hz Frequency 50/60 Hz Protection Functions • Overcurrent (Overload) • Phase Loss / Open Phase • Phase Reversal (Reverse Phase) • Phase Imbalance / Unbalance • Locked Rotor (Stall) Output Contact Configuration N-type: "Fail-Safe" operation (contacts change state when relay is powered on/energized) Output Contacts 2 x SPST (1NO + 1NC) Contact Rating: 3A / 250VAC resistive Trip Time Characteristics Definite time Time Delay Settings • Start Delay (D-TIME): 1-200 seconds (adjustable) • Trip Delay (O-TIME): 0.5-30 seconds (adjustable) Reset Mode Manual (Instant) / Electric (Remote) selectable Display / Indication • 7-segment LED display for real-time current values • LED indicators for power ON and trip status • Fault cause display (code) Mounting 35mm DIN Rail Case Design Compact design with integrated CTs and digital display Standards IEC 60947-4-1, UL, CSA Rated Operational Voltage (Ue) Up to 600V AC Degree of Protection IP20 (relay body) Operating Temperature -20°C to 60°C Storage Temperature -30°C to 80°C Dimensions (W x H x D) Compact size (approx. 35 x 85 x 75 mm) Weight Approximately 0.15 kg Terminal Wiring Screw clamp terminals for solid/stranded wires (1-2.5 mm²)