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SF810-FOC-IR-TL

The ABB SF810-FOC-IR-TL is an industrial fiber optic current sensor designed for precise current measurement and monitoring in medium- to low-voltage electrical systems. It enables safe, high-speed, and contactless measurement of AC currents, providing accurate input signals for protection relays, meters, and automation systems.

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Specifications General Type: Fiber Optic Current Sensor (FOC) Series: ABB SF Model: SF810-FOC-IR-TL Application: Current measurement, monitoring, and protection Mounting: Panel or DIN rail mount, modular installation Electrical Characteristics Measurement Range: Typically 0–1000 A AC (depends on configuration) Output Type: Optical signal proportional to measured current Accuracy Class: 0.2 / 0.5 (depending on variant) Frequency Range: 50 / 60 Hz Rated Voltage: Up to 600 V AC primary circuit (depends on model) Isolation: Full galvanic isolation via fiber-optic interface Mechanical & Construction Housing Material: Industrial-grade thermoplastic or epoxy Dimensions: Compact, modular design for panel or DIN rail installation Weight: Approx. 1–2 kg Connection Type: Fiber optic cable interface Environmental Conditions Operating Temperature: –25 °C to +55 °C Storage Temperature: –40 °C to +70 °C Humidity: 0–95% RH, non-condensing Ingress Protection: IP20 (panel mounted), higher IP rating optional with enclosure Standards & Certifications Standards Compliance: IEC 61869-2, IEC 60044-1 Safety & EMC: CE marked, industrial-grade EMC compliance Approvals: UL, CSA depending on region Features Contactless current measurement using fiber-optic technology Infrared (IR) sensing for high accuracy and safety Wide measurement range suitable for industrial and utility applications Galvanic isolation ensures operator and equipment safety Compact, modular design for easy integration with protection relays and meters Suitable for power monitoring, protection, and industrial automation