Technical Parameters (Specifications) Electrical Data Product Type: Electronic overload relay Rated Insulation Voltage: 690 V AC maximum Rated Operational Voltage: Up to 690 V AC (three-phase) Frequency: 50/60 Hz Control Supply Voltage: 100...240 V AC/DC (typical for standard variants) Power Consumption: < 5 VA Current Settings Current Range: Adjustable 30-70 A (typical for 70NY7R variant) Overload Setting: Adjustable via dial Trip Class: Fixed or selectable (typically Class 10 or 20) Phase Loss Sensitivity: Trip within 3 seconds (typical) Phase Imbalance Protection: Fixed (typically 30-50% imbalance) Protection Functions Overload Protection: Thermal model with fixed or selectable trip curve Phase Loss Protection: Instantaneous trip upon phase failure Phase Imbalance Protection: Detects significant current imbalance Short Circuit Protection: Coordination with backup fuse/MCCB required Display & Interface Indications: LED indicators for power and trip Setting Method: Dial for current adjustment Trip Indication: Red LED indicator Test Button: For functional testing Outputs Trip Relay: 1 SPDT relay (250 V AC, 5 A typical) Output Contact Configuration: 1 changeover (C/O) contact Reset Modes Manual Reset: Via push button (local) Auto Reset: Selectable via DIP switch (with fixed delay) Remote Reset: Optional (via external contact) Mechanical Mounting Mode: Direct mounting with contactor or DIN rail mount (35 mm) Compatible Contactors: Specific TeSys D or similar series contactors (matching frame size) Terminal Type: Screw terminals Wire Size (Control): 0.5...4 mm² (AWG 20-12) Wire Size (Power): Up to 25 mm² (AWG 4) Tightening Torque: 0.8...1.2 Nm (control), 2.0...3.0 Nm (power) Dimensions (W x H x D): Approximately 70 mm x 100 mm x 110 mm (typical) Net Weight: Approximately 0.5 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