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MERSEN FUSE Switch.fus 50A FR14 0+3 pos. M50F03
Mersen M50F03 50 A three-pole fused switch disconnector for FR14 cylindrical fuse links, designed for industrial circuit switching, isolation and overcurrent protection.
£170.03
Why Choose the Mersen M50F03 Fused Switch Disconnector?
The Mersen M50F03 is a compact fused switch disconnector designed to provide reliable circuit switching, electrical isolation and fuse-based protection in industrial low-voltage installations. Rated at 50 A, it offers a practical solution for machinery, control panels and power distribution systems requiring safe manual isolation and dependable overcurrent protection.
The M50F03 is designed to accommodate FR14 cylindrical fuse links, combining the switching and protective functions within a single assembly. This arrangement can simplify panel construction while helping protect cables, machinery and downstream electrical equipment against overload and short-circuit currents.
Featuring a three-pole configuration and a 0+3 operating arrangement, the Mersen M50F03 is suitable for three-phase electrical circuits. Its compact industrial design makes it particularly useful for panel builders, OEMs and electrical engineers requiring efficient component installation and a clearly defined isolation point.
Key Advantages
- Combines switching, isolation and fuse protection in one assembly.
- 50 A rated current for industrial and machinery applications.
- Designed for compatible FR14 cylindrical fuse links.
- Three-pole configuration for three-phase circuits.
- Compact construction helps conserve control-panel space.
- Provides a secure isolation point for inspection and maintenance.
Key Features
- Mersen fused switch disconnector.
- 50 A rated operational current.
- Three-pole fused switching arrangement.
- 0+3 operating configuration.
- Compatible with suitable FR14 cylindrical fuse links.
- Manual load switching and electrical isolation.
- Fuse-based overload and short-circuit protection.
- Suitable for industrial panel and switchboard installation.
Reliable Switching and Fuse Protection
Fused switch disconnectors combine a manually operated switching mechanism with replaceable fuse links. This allows a circuit to be safely disconnected for servicing while providing protection against excessive current during normal operation.
The Mersen M50F03 switches all three phases together, helping establish a dependable isolation point for machinery and electrical equipment. Correctly rated FR14 fuse links should be selected according to the load, conductor size and protection requirements of the installation.
Typical Applications
- Industrial machinery control panels.
- Motor and equipment feeder circuits.
- Low-voltage distribution boards.
- OEM electrical assemblies.
- Manufacturing and process equipment.
- Commercial and industrial electrical installations.
Technical Specifications
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| Current | 50 A | |
|---|---|---|
| Poles | 3-pole | |
| Device Type | Fuse switch disconnector | |
| Manufacturer | Mersen | |
| Model | M50F03 | |
| Product type | Fused switch disconnector | |
| Rated current | 50 A | |
| Number of poles | 3 | |
| Operating arrangement | 0+3 positions | |
| Fuse format | FR14 cylindrical fuse links | |
| Switch configuration | Three-pole | |
| Protection method | Fuse-based overcurrent protection | |
| Primary function | Switching, isolation and circuit protection | |
| Application | Industrial low-voltage electrical systems | |
| Mounting application | Control panel / switchboard installation |
Frequently Asked Questions
What is the Mersen M50F03 used for?
The M50F03 is used to switch, isolate and provide fuse protection for three-phase electrical circuits in industrial machinery and low-voltage distribution systems.
What is the current rating of the M50F03?
The Mersen M50F03 has a rated operational current of 50 A.
Which fuse type is used with the M50F03?
The M50F03 is designed for compatible FR14 cylindrical fuse links. The fuse rating and characteristics must be selected for the specific circuit.
How many poles does the M50F03 have?
The switch has a three-pole configuration for simultaneous switching and isolation of three-phase electrical circuits.
Does the M50F03 provide circuit protection?
Yes. When fitted with correctly selected fuse links, the M50F03 provides fuse-based protection against overload and short-circuit currents.
Trusted by Panel Builders and Electrical Engineers
Mersen fused switch disconnectors are used by panel builders, OEMs and industrial electrical professionals requiring compact switching, secure circuit isolation and dependable fuse protection in low-voltage applications.
