Key Specifications Parameter Value Brand Schneider Electric (formerly nVent/Samwha EOCR) Series EOCR-DS1 Product Type Electronic Motor Protection Relay (Ultra-Compact) Model / Reference EOCRDS1-30NBQ 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 24VAC/DC (typical for this model - verify with datasheet) 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 1 x SPDT (1 C/O - Changeover contact) 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 LED indicators for power ON and trip status (fault cause identification) Mounting 35mm DIN Rail / Panel mount Case Design Ultra-compact design for space-constrained applications Standards IEC 60947-4-1, UL, CSA 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) Ultra-compact size (approx. 25 x 80 x 75 mm, verify with exact datasheet) Weight Approximately 0.1 kg Terminal Wiring Screw clamp terminals for solid/stranded wires (1-2.5 mm²)