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EOCRSS-30RBQ

The EOCRSS-30RBQ is a compact and reliable electronic motor protection relay from the EOCR-SS series, part of Schneider Electric's 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.

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Key Specifications Parameter Value Brand Schneider Electric (formerly nVent/Samwha EOCR) Series EOCR-SS Product Type Electronic Motor Protection Relay (Compact) Model / Reference EOCRSS-30RBQ Technology Microcontroller (MCU) based with real-time processing Current Measurement 2 integrated CTs (2 Current Transformer design) Current Setting Range 30 type: 3 - 30 A (adjustable) Control Voltage 24VAC/DC (typical - verify with datasheet as "B" may indicate control voltage) 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 R-type: "Non-Fail-Safe" operation (contacts do not 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 Compact design with integrated CTs 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) Compact size (approx. 30 x 80 x 75 mm, verify with exact datasheet) Weight Approximately 0.1 - 0.12 kg Terminal Wiring Screw clamp terminals for solid/stranded wires (1-2.5 mm²)