1SFA664003R1250 ABB TVOC-2-DP25 25 m Optical Arc Detector

Why Choose the ABB TVOC-2-DP25 Arc Detector?

The ABB TVOC-2-DP25, order code 1SFA664003R1250, is a 25 m optical arc detector designed for the ABB TVOC-2 Arc Guard System. It combines a fibre-optic cable with an optical lens to detect the intense light generated by an electrical arc fault, enabling the Arc Guard system to initiate rapid protective action within electrical switchgear.

Designed specifically for arc-flash monitoring, the detector is installed at strategic locations inside switchgear panels where an unwanted arc may occur. Its optical lens provides a 180-degree detection angle and can detect arc light at distances of up to approximately 3 m, depending on light intensity, helping provide effective coverage of switchgear compartments.

The TVOC-2-DP25 incorporates a 25 m fibre-optic cable, providing extensive installation flexibility for large or complex switchgear assemblies. It connects to the TVOC-2 main unit or a compatible extension module and operates across an ambient temperature range of -25 to +70 °C.

Key Advantages

• Purpose-designed optical arc detector for the ABB TVOC-2 Arc Guard System.
• 25 m fibre-optic cable provides extensive reach for large switchgear installations.
• 180-degree optical detection angle provides broad monitoring coverage.
• Can detect arc light at distances of up to approximately 3 m, depending on light intensity.
• Connects to the TVOC-2 main unit or compatible extension module.
• Supports rapid arc-flash detection to help minimise arc duration and potential equipment damage.

Key Features

• ABB TVOC-2 Arc Guard optical detector.
• TVOC-2-DP25 detector type.
• 25 m fibre-optic cable length.
• Optical lens designed to detect the intense light generated by an arc fault.
• 180-degree detection angle.
• Detection distance of up to approximately 3 m, depending on light intensity.
• -25 to +70 °C operating temperature range.
• Suitable for connection to a TVOC-2 main unit or extension module.

Rapid Optical Detection for Arc-Flash Protection

Electrical arc faults can release substantial energy within switchgear in a very short period, making rapid detection and interruption critical. The TVOC-2 Arc Guard System uses optical detectors positioned throughout switchgear compartments to monitor for the characteristic intense light produced by an arc fault and enable the protection system to respond rapidly.

The 25 m cable of the TVOC-2-DP25 provides considerable flexibility when locating the sensing lens remotely from the Arc Guard unit. Its 180-degree optical detection angle allows broad monitoring of the surrounding compartment, making this detector particularly suitable for large switchboards and installations where extended cable routing is required.

Typical Applications

• ABB TVOC-2 Arc Guard System installations.
• Low-voltage switchgear and switchboards.
• Medium-voltage switchgear assemblies.
• Industrial power distribution systems.
• Motor control centres and electrical distribution equipment.
• Large switchgear installations requiring extended detector cable reach.