Why Choose the Mersen R095557 5 x 20 mm Quick-Acting Miniature Fuse?
The Mersen R095557 is a compact and dependable 5 x 20 mm quick-acting miniature fuse designed to protect sensitive electrical equipment against excessive current and short-circuit faults. Part of the Mersen 5HF IEC miniature fuse series, it provides rapid circuit interruption for industrial, commercial and electronic applications requiring precise low-current protection.
Its fast-acting characteristic enables the fuse to respond quickly when current rises beyond acceptable levels, helping minimise damage to wiring, components and connected equipment. The ceramic body provides robust insulation and dependable performance, while the standard cylindrical dimensions allow straightforward installation into compatible fuse clips and holders.
With a rated current of 0.25 A, a rated voltage of 250 V AC and a breaking capacity of 1,500 A, the Mersen R095557 is well suited to control circuits, instrumentation, electronic power supplies and industrial equipment where rapid fault clearance is required.
Key Advantages
- Quick-acting characteristic provides rapid overcurrent protection.
- 0.25 A current rating for sensitive low-current circuits.
- 250 V AC rated voltage for industrial and electronic equipment.
- High 1,500 A breaking capacity.
- Compact 5 x 20 mm cylindrical format.
- Ceramic construction provides reliable electrical insulation.
Key Features
- Mersen 5HF IEC miniature fuse series.
- 0.25 A rated current.
- 250 V AC rated voltage.
- Fast-acting operating characteristic.
- 1,500 A AC breaking capacity.
- Low melting integral of 0.046 A²s.
- Standard 5 x 20 mm fuse dimensions.
- RoHS-compliant ceramic construction.
Rapid Protection for Sensitive Electrical Circuits
Quick-acting fuses are designed to disconnect a circuit rapidly when an overload or short circuit occurs. This fast response helps restrict the amount of fault energy reaching sensitive electronic components, reducing the likelihood of extensive equipment damage.
The Mersen R095557 is particularly suitable for applications where normal operating currents remain stable and significant start-up surges are not expected. When correctly selected and installed, it provides reliable protection for low-current control, instrumentation and electronic circuits.
Typical Applications
- Industrial control circuits.
- Electronic power supplies.
- Instrumentation and measurement equipment.
- Automation systems.
- Control and signalling devices.
- Printed circuit board assemblies.
- OEM electrical equipment.
- Electrical distribution control circuits.
