Why Choose the Mersen US6J1 UltraSafe™ Class J Fuse Holder?
The Mersen US6J1 is a high-performance single-pole UltraSafe™ Class J fuse holder designed to provide dependable overcurrent protection for industrial electrical systems. Engineered for Class J fuses rated up to 60 A, it combines compact DIN rail mounting with robust construction for straightforward installation in control panels, switchboards and power distribution equipment.
Part of the proven Mersen UltraSafe™ US6J series, the US6J1 incorporates a finger-safe design that helps protect personnel against accidental contact with live components. Its pressure-plate terminals provide secure conductor connections, whilst the hinged carrier simplifies fuse installation and replacement during routine maintenance.
Rated for 60 A with 600 V AC and 600 V DC operation, the US6J1 is suitable for protecting motors, transformers, heating equipment, lighting systems and general industrial loads. This standard version is supplied without a blown-fuse indicator, making it ideal where visual fuse-status indication is not required.
Key Advantages
- Compact single-pole Class J fuse holder for industrial applications.
- Compatible with Class J fuses rated up to 60 A.
- 600 V AC / 600 V DC rated operation.
- Finger-safe construction improves protection during operation and maintenance.
- Pressure-plate terminals provide secure electrical connections.
- 35 mm DIN rail mounting enables quick panel installation.
Key Features
- Mersen UltraSafe™ US6J series.
- Single-pole modular fuse holder.
- 60 A maximum fuse rating.
- 600 V AC UL rated voltage.
- 600 V DC UL rated voltage.
- Compatible with Mersen AJT, A4J and HSJ Class J fuses.
- Pressure-plate terminal connections.
- Hinged carrier for convenient fuse replacement.
- Finger-safe design to IEC requirements.
- 35 mm DIN rail mounting.
Reliable Protection for Industrial Power Systems
The Mersen US6J1 securely houses a 60 A Class J fuse and provides a convenient method of isolating and replacing the fuse within industrial electrical equipment. Its compact modular construction allows protective circuits to be installed efficiently alongside other DIN rail mounted devices.
Class J fuses offer current-limiting performance and high interrupting capability, making the US6J1 suitable for demanding branch-circuit protection. Its finger-safe housing and secure pressure-plate terminals help improve installation safety, maintenance efficiency and long-term system reliability.
Typical Applications
- Industrial control panels.
- Motor and transformer protection circuits.
- Power distribution systems.
- Heating and lighting equipment.
- OEM machinery and production equipment.
- Industrial automation systems.
