Why Choose the Wöhner 31338 Class J Fuse Link?
The Wöhner 31338 is a premium Class J time-delay cylindrical fuse link designed to provide reliable overcurrent and short-circuit protection for industrial electrical installations. Manufactured by Mersen for the Wöhner product range, it is engineered for applications requiring dependable circuit protection while allowing temporary inrush currents during equipment start-up.
Rated at 2 A, the Wöhner 31338 supports operating voltages up to 600 V AC and 500 V DC. Its time-delay characteristic helps minimise nuisance fuse operation while maintaining effective protection against sustained overloads and high fault currents.
The compact 21 × 57 mm Class J format is designed for installation in compatible Class J fuse holders within industrial control panels, switchboards and OEM machinery. Its porcelain, halogen-free construction provides excellent thermal and mechanical durability for demanding industrial environments.
Key Advantages
- Reliable Class J time-delay fuse protection.
- 2 A rated current for low-current industrial circuits.
- Suitable for systems up to 600 V AC.
- Supports DC applications up to 500 V DC.
- Time-delay characteristic tolerates temporary inrush currents.
- Compact 21 × 57 mm cylindrical format.
- Compatible with standard Class J fuse holders.
Key Features
- Wöhner Class J fuse link.
- Manufactured by Mersen.
- 2 A rated current.
- 600 V AC rated voltage.
- 500 V DC rated voltage.
- Time-delay operating characteristic.
- Class J cylindrical construction.
- 21 × 57 mm dimensions.
- Porcelain, halogen-free body.
- UL approved.
Reliable Time-Delay Protection for Industrial Control Circuits
The Wöhner 31338 is engineered to withstand temporary current surges while responding quickly to sustained overloads and short-circuit conditions. This makes it particularly suitable for protecting control circuits, instrumentation, automation equipment and auxiliary power supplies that experience normal start-up inrush currents.
When installed in a compatible Class J fuse holder, the fuse provides dependable protection for industrial control systems while helping reduce unnecessary downtime caused by nuisance fuse operation.
Typical Applications
- Industrial control panels.
- PLC and automation systems.
- Machine control circuits.
- Electrical switchboards.
- OEM machinery.
- Industrial AC and DC power distribution.