Specifications General Type: Electronic Protection Relay / Trip Unit Series: ABB S200 Series (S264) Application: Low-voltage switchgear and distribution protection Mounting: Panel or DIN rail mount Protection Functions Overcurrent Protection (Instantaneous and Time-Delayed): Configurable Short-Circuit Protection: Adjustable thresholds Earth-Fault Protection: Optional, configurable sensitivity Phase Failure / Imbalance Detection: Included Monitoring Functions: Voltage, current, active/reactive power, energy, frequency Electrical Characteristics Control Voltage: As per configuration (ES1 variant, typically 24–250 V AC/DC) Rated Current: Defined by S264 relay module Output Contacts: Trip and alarm contacts (normally open / normally closed) Communication Protocols: ABB standard communication (e.g., Modbus, PROFIBUS depending on option) Display: LCD with status indicators and menu navigation Environmental Conditions Operating Temperature: –25 to +70 °C Storage Temperature: –40 to +85 °C Humidity: 0–95% RH, non-condensing Shock & Vibration Resistance: IEC 60068 standard compliant Mechanical Housing Material: High-strength thermoplastic Ingress Protection: IP20 (panel-mounted), IP40 / IP54 options depending on enclosure Dimensions: Standard S200 relay size Certifications / Standards Standards Compliance: IEC/EN 60947-4-1, IEC/EN 60255, UL listed Safety & EMC: CE marked, IEC/EN EMC compliant