Specifications
General
Type: Fiber-Optic Current Sensor (FOC)
Series: SF810
Model: SF810-FOC-IR-TL-C-W
Application: Current measurement, monitoring, and protection
Mounting: Panel or DIN rail mount, modular design
Electrical Characteristics
Measurement Range: 0–1000 A AC (configurable)
Output Type: Fiber-optic signal proportional to measured current
Accuracy Class: 0.2 / 0.5 (depending on variant)
Frequency Range: 50 / 60 Hz
Rated Primary Voltage: Up to 600 V AC
Isolation: Full galvanic isolation via fiber-optic interface
Input Type: Busbar or conductor-based measurement
Mechanical & Construction
Housing Material: Industrial-grade thermoplastic or epoxy
Dimensions: Compact, modular for easy integration
Weight: Approx. 1–2 kg
Connection: Fiber-optic cable interface
Protection Class: IP20 (panel mounted), optional higher IP with enclosure
Environmental Conditions
Operating Temperature: –25 °C to +55 °C
Storage Temperature: –40 °C to +70 °C
Humidity: 0–95% RH, non-condensing
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 AC current measurement using fiber-optic and infrared (IR) technology
Full galvanic isolation ensures operator and system safety
Compact, modular design for easy integration in panels and switchgear
High-accuracy measurement suitable for industrial and utility applications
Reliable long-term performance in harsh environments
Compatible with protection relays, meters, and industrial automation systems
The ABB SF810-FOC-IR-TL-C-W is an industrial fiber-optic current sensor designed for precise, contactless AC current measurement in medium- and low-voltage electrical systems. It provides safe, high-speed, and highly accurate current sensing, delivering critical input signals for protection relays, meters, and automation systems.