Why Choose the Mersen M100U3DM UL 98 Door-Mounted Disconnect Switch?
The Mersen M100U3DM is a heavy-duty UL 98 non-fusible disconnect switch designed for reliable load switching and electrical isolation in demanding industrial and commercial installations. Rated at 100 A and 600 V AC, this three-pole switch is suitable for controlling and isolating three-phase power circuits.
The M100U3DM features a dedicated door-mounted configuration, allowing the switching assembly to be fitted directly to a compatible electrical enclosure door. This arrangement provides a compact installation and straightforward access while maintaining dependable switching performance for machinery, distribution panels and industrial control systems.
Designed to meet the requirements of UL 98, the Mersen M100U3DM can make and break power circuits under load and is approved for demanding applications, including service entrance installations. Its robust construction, silver-plated contacts and double-break switching mechanism help provide reliable operation and long service life.
Key Advantages
- Heavy-duty 100 A UL 98 non-fusible disconnect switch.
- 600 V AC maximum operating voltage for industrial power systems.
- Three-pole configuration for three-phase circuit isolation.
- Purpose-designed door-mounted construction.
- Suitable for making and breaking power circuits under load.
- Approved for demanding applications, including service entrance installations.
Key Features
- Mersen UL 98 non-fusible switch series.
- 100 A rated operational current.
- 600 V AC voltage rating.
- Three mechanically linked switching poles.
- Front-operated door-mounted configuration.
- Double-break switching mechanism.
- Silver-plated contacts for dependable conductivity.
- Compatible with selected Mersen handles and switch accessories.
Reliable Door-Mounted Power Isolation
A door-mounted disconnect switch provides a compact method of integrating load switching and isolation directly into an electrical enclosure. The Mersen M100U3DM allows operators to disconnect equipment from its power supply before inspection, servicing or maintenance procedures are carried out.
Its UL 98 construction enables the switch to make and break power circuits under load. The robust double-break contacts and mechanically linked poles provide simultaneous disconnection of all three phases, supporting safe and dependable operation in industrial power applications.
Typical Applications
- Industrial machinery disconnect systems.
- Electrical control panels and cabinets.
- Service entrance equipment.
- Motor control centres.
- OEM machinery and automation systems.
- Commercial and industrial power distribution panels.
