1SFA664001R1001 TVOC-2-240 Overview
The ABB 1SFA664001R1001 TVOC-2-240 is an Arc Guard System™ arc fault monitor that provides fast light-based detection and instant breaker tripping for enhanced safety in low- and medium-voltage switchgear applications.
Features and benefits
-
• High Functional Safety
The ABB TVOC-2-240 (1SFA664001R1001) is SIL 2 certified according to IEC 61508 and IEC 62061, ensuring high reliability and compliance with functional safety standards for switchgear protection. -
• Ultra-Fast Arc Fault Response
Uses light-based detection and IGBT solid-state tripping contacts to achieve millisecond-level response, significantly reducing arc fault damage and improving personnel safety. -
• Flexible System Configuration
Supports up to 30 optical sensors and configurable trip logic via DIP switches, enabling selective breaker tripping and adaptable protection for various switchgear layouts. -
• Robust Operation & Backup Energy
Built-in energy storage supports operation up to 0.2 seconds during power loss, ensuring reliable tripping even under short-circuit fault conditions. -
• Easy Installation & Monitoring
Front-accessible pluggable terminals, DIN-rail or wall mounting, and dual HMI support with event logging and Modbus RTU communication for simple integration and diagnostics.
Competitive Advantage
-
• Ultra-Fast Arc Detection
The ABB TVOC-2-240 (1SFA664001R1001) uses light-based detection to identify arc faults instantly and trigger breaker tripping within milliseconds, minimizing equipment damage and safety risks. -
• Proven Functional Safety
Certified to SIL-2 functional safety standards, ensuring reliable arc fault protection for low- and medium-voltage switchgear in critical industrial environments. -
• Flexible System Expansion
Supports up to 30 optical sensors and configurable system architecture, allowing easy adaptation to different switchgear layouts and protection requirements. -
• Simplified Installation & Operation
Offers DIN-rail or wall mounting, user-friendly setup, and optional Modbus RTU communication for efficient monitoring and integration.
For the quick assistance message us on WhatsApp at 
