Specifications
General
Type: Fiber Optic Current Sensor / Uvisor SF810 Series
Model: SF810 / SF810INT-FOC-IR-TL-C-W
Application: Current measurement, monitoring, and protection in industrial and utility systems
Mounting: Panel, DIN rail, or switchgear integration; modular design
Electrical Characteristics
Measurement Range: Typically 0–1000 A AC (configurable by model)
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 (depends on installation)
Isolation: Full galvanic isolation via fiber-optic interface
Input Type: Direct or through busbar / conductor
Mechanical & Construction
Housing Material: Industrial-grade thermoplastic or epoxy resin
Dimensions: Compact modular design for switchgear or panel installation
Weight: Approx. 1–2 kg
Connection: Fiber optic cable interface; optional integrated mounting kit
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 regional requirements
Features
High-accuracy, contactless current measurement using fiber-optic and infrared technology
Full galvanic isolation ensures operator and system safety
Compact, modular design for easy integration into panels and switchgear
Wide measurement range suitable for industrial, commercial, and utility applications
Reliable long-term performance under harsh environmental conditions
Compatible with protection relays, meters, and industrial automation systems
Uvisor interface provides secure and precise signal transmission
The ABB Uvisor SF810 / SF810INT-FOC-IR-TL-C-W is an advanced fiber optic current sensor system designed for precise, contactless AC current measurement and monitoring in industrial, commercial, and utility applications. It enables safe, high-speed, and highly accurate current measurements, providing critical input signals for protection relays, metering devices, and automation systems.