Technical Parameters (Specifications) EOCR: Electronic OverCurrent Relay SP: Series designation (likely "Standard Protection" or "Small Package") 10: Current rating (10 A frame) R: Mounting type (R = Direct mounting with contactor) Y: Control voltage (Y = 100-240V AC/DC typical) 7: Contact configuration Q: Terminal type (Q = Screw terminals) Electrical Data Product Type: Electronic overload relay Rated Insulation Voltage: 600 V AC maximum Rated Operational Voltage: Up to 480 V AC (three-phase) Frequency: 50/60 Hz Control Supply Voltage: 100...240 V AC/DC (typical for "Y" variant) Current Settings Current Range: 0.5...10 A (adjustable within this range) Overload Setting: Adjustable via dial or DIP switch Phase Loss Sensitivity: Trip within 3 seconds (typical) Phase Imbalance Protection: Fixed (typically 30-50% imbalance) Protection Functions Overload Protection: Thermal model with selectable trip class (typically Class 10 or 20) Phase Loss Protection: Instantaneous trip upon phase failure Phase Imbalance Protection: Detects significant current imbalance Short Circuit Protection: Coordination with backup fuse/MCCB required Outputs Trip Relay: 1 SPDT relay (250 V AC, 3 A typical) Output Contact Configuration: 1 changeover (C/O) contact Trip Indication: Mechanical flag or LED indicator Mechanical Mounting Mode: Direct mounting with contactor (or separate DIN rail mounting with adapter) Compatible Contactors: Specific LC1 series contactors (matching frame size) Terminal Type: Screw terminals (up to 4 mm² wire) Dimensions (W x H x D): Approximately 45 mm x 70 mm x 80 mm (typical) Net Weight: Approximately 0.2 kg Environmental Degree of Protection (IP): IP20 (enclosure) Operating Temperature: -20...60 °C Storage Temperature: -30...80 °C Relative Humidity: 5...95% (non-condensing) Altitude: Up to 2000 m Certifications Standards: IEC 60947-4-1, UL 508, CSA C22.2 Certifications: CE, UL, cUL, CCC (depending on variant) RoHS Compliance: Yes