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MERSEN FUSE IEC UL98 Switch 100A 3p M100U3
Mersen M100U3 UL 98 non-fusible disconnect switch rated at 100 A, 600 V AC with a three-pole configuration for industrial load switching and electrical isolation.
£108.21
Why Choose the Mersen M100U3 UL 98 Non-Fusible Disconnect Switch?
The Mersen M100U3 is a heavy-duty UL 98 non-fusible disconnect switch designed to safely make and break power circuits under load while providing dependable electrical isolation for industrial and commercial applications. Rated at 100 A, with a 600 V AC maximum operating voltage and a three-pole configuration, it is ideal for machinery, motor control centres, distribution panels and service entrance installations.
Manufactured using the latest Mersen disconnect switch technology, the M100U3 combines compact dimensions with excellent switching performance. It is tested and approved for demanding applications where reliable load switching and safe maintenance isolation are essential. Its robust design provides long service life while supporting a wide range of industrial power distribution systems.
Designed to comply with the UL 98 standard, the M100U3 is suitable for service entrance installations and other heavy-duty switching applications. The switch is compatible with a range of Mersen operating handles and shaft accessories for enclosure-mounted installations.
Key Advantages
- Heavy-duty 100 A UL 98 non-fusible disconnect switch.
- 600 V AC maximum operating voltage.
- Three-pole design for three-phase applications.
- Suitable for switching power circuits under load.
- Service entrance rated for demanding installations.
- Compact, durable construction with long mechanical life.
Key Features
- Mersen UL 98 disconnect switch series.
- 100 A current rating.
- 600 V AC maximum operating voltage.
- Three mechanically linked poles.
- Non-fusible load-break switch.
- Suitable for front or side operation with compatible accessories.
- Flexible mounting options.
- RoHS compliant construction.
Reliable Load Switching and Electrical Isolation
Disconnect switches provide a safe means of isolating electrical equipment during maintenance while allowing operators to make and break circuits under load. The M100U3 delivers dependable switching performance in demanding industrial environments, helping improve personnel safety and simplify servicing procedures.
Its compact construction and compatibility with Mersen operating accessories make the switch suitable for electrical enclosures, machine control panels and industrial distribution systems where reliable manual isolation is required.
Typical Applications
- Industrial control panels.
- Service entrance disconnects.
- Main electrical distribution panels.
- Motor control centres.
- OEM machinery and automation equipment.
- Commercial and industrial electrical installations.
Technical Specifications
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| Current | 100 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | Accessory | |
| Manufacturer | Mersen | |
| Series | UL 98 Non-Fusible Switches | |
| Model | M100U3 | |
| Product type | Non-fusible disconnect switch | |
| Current rating | 100 A | |
| Maximum operating voltage | 600 V AC | |
| Current type | AC | |
| Number of poles | 3 | |
| Standard | UL 98 | |
| Operation | Manual load-break disconnect | |
| Service entrance rated | Yes | |
| RoHS compliant | Yes | |
| HS Code | 85363090 | |
| Country of Manufacture | Finland |
Frequently Asked Questions
What is the Mersen M100U3 used for?
The M100U3 is a UL 98 non-fusible disconnect switch used to safely make and break power circuits under load while providing electrical isolation.
What is the current rating of the M100U3?
The switch has a 100 A continuous current rating.
What voltage is the M100U3 designed for?
The M100U3 is rated for a maximum operating voltage of 600 V AC.
How many poles does the M100U3 have?
The switch features a three-pole configuration for three-phase electrical systems.
Is the M100U3 suitable for service entrance applications?
Yes. The M100U3 is designed and approved for demanding applications including service entrance installations.
Trusted by Industrial Electrical Professionals
Mersen UL 98 disconnect switches are trusted by panel builders, OEMs and electrical engineers to provide dependable load switching, safe isolation and long-term reliability across industrial and commercial electrical installations.
