Why Choose the Mersen T097261 Three-Pole Fuse Holder Disconnector?
The Mersen T097261 is a robust three-pole fuse holder disconnector designed for compatible 20 × 127 mm cylindrical semiconductor fuse-links. Identified by the product designation PS III 20.127 PRE BS, it combines secure fuse mounting with manual circuit isolation for demanding industrial power and electrical protection systems.
Part of the Mersen PS 20 × 127 fusegear range, the T097261 is suitable for high-voltage applications and supports compatible fuse-links with current ratings up to 100 A. Its three-pole configuration allows three protected conductors or circuits to be isolated together, making it suitable for power converters, industrial drives, rectifiers and semiconductor protection assemblies.
The T097261 features a durable, salt-spray-resistant construction designed to withstand harsh industrial and transport environments. Its elongated enclosure accommodates compatible 20 × 127 mm fuse-links while helping provide safe access for inspection, isolation and fuse replacement.
Key Advantages
- Three-pole configuration for coordinated circuit protection and isolation.
- Designed for compatible 20 × 127 mm cylindrical fuse-links.
- Supports compatible fuse currents up to 100 A.
- Suitable for high-voltage AC and DC electrical systems.
- Combines secure fuse mounting with manual disconnection.
- Salt-spray-resistant design for demanding environments.
- Supports safer fuse inspection and replacement.
- Ideal for semiconductor and industrial power protection systems.
Key Features
- Mersen PS 20 × 127 fusegear range.
- PS III 20.127 PRE BS product designation.
- Three-pole fuse holder disconnector.
- Compatible with 20 × 127 mm cylindrical ferrule fuse-links.
- Maximum compatible fuse current of 100 A.
- Designed for high-voltage AC and DC applications.
- Salt-spray-resistant construction.
- Manual no-load disconnection functionality.
- Robust panel-mounted assembly.
- Suitable for high-speed semiconductor fuse-links.
- Designed for industrial 50 / 60 Hz systems.
Reliable Three-Pole Fuse Isolation for Industrial Equipment
Fuse holder disconnectors combine the fault-clearing performance of compatible fuse-links with a practical means of manually isolating protected circuits. This allows maintenance personnel to disconnect equipment before inspecting or replacing fuse-links, helping improve electrical safety and reduce servicing time.
The Mersen T097261 is intended for no-load disconnection and should not be used to interrupt normal operating current unless the installation design specifically permits it. Compatible fuse-links must be selected according to the circuit voltage, operating current, fault level and required semiconductor protection characteristics.
Typical Applications
- Industrial power converters.
- Variable speed drive systems.
- Rectifiers and inverter equipment.
- Semiconductor protection assemblies.
- Rail and traction systems.
- Renewable energy installations.
- High-voltage DC distribution equipment.
- Industrial control and power cabinets.
