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
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.