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MERSEN FUSE Switch.fus 630A 3 R side op. M630D30S
Mersen M630D30S 630 A three-pole IEC fused switch disconnector with right-side operation for NH Size 3 fuse links, providing industrial switching, isolation and overcurrent protection.
£1,525.49
Why Choose the Mersen M630D30S Side-Operated Fused Switch Disconnector?
The Mersen M630D30S is a heavy-duty IEC fused switch disconnector engineered for safe switching, dependable electrical isolation and fuse-based overcurrent protection in demanding industrial low-voltage power distribution systems. With a 630 A current rating, it is ideally suited to high-capacity feeders, switchboards and industrial installations requiring reliable operation and safe maintenance procedures.
This model features a right-side-operated mechanism, providing greater flexibility when designing switchboards and electrical enclosures. The side-operated configuration allows the operating handle to be positioned where front-mounted operation may be impractical, making installation easier in complex panel layouts.
Designed for use with NH Size 3 fuse links, the M630D30S combines manual switching, positive circuit isolation and high-performance fuse protection within one assembly. Its three-pole configuration is suitable for switching and protecting three-phase electrical systems operating at up to 690 V AC.
Key Advantages
- Combines switching, isolation and fuse protection in one assembly.
- 630 A rated current for high-capacity industrial installations.
- Right-side-operated mechanism for flexible enclosure layouts.
- Designed for NH Size 3 fuse links.
- Three-pole configuration for three-phase electrical systems.
- Heavy-duty construction for demanding industrial environments.
Key Features
- Mersen IEC fused switch disconnector.
- 630 A rated operational current.
- 690 V AC maximum operating voltage.
- Three-pole fused switching arrangement.
- Right-side-operated mechanism.
- Compatible with NH Size 3 fuse links.
- Manual load switching and secure electrical isolation.
- Suitable for industrial switchboards and distribution equipment.
Reliable High-Current Switching and Protection
Side-operated fused switch disconnectors provide a practical solution where switchboard layouts require the operating handle to be positioned away from the front of the enclosure. This allows greater flexibility during panel design while maintaining dependable switching and safe electrical isolation.
The Mersen M630D30S accepts suitable NH Size 3 fuse links to provide high-performance overload and short-circuit protection while establishing a clearly defined isolation point for maintenance. Its robust construction makes it well suited to demanding industrial power distribution systems.
Typical Applications
- Industrial low-voltage switchboards.
- Main and sub-distribution panels.
- Motor control centres.
- Manufacturing and processing plants.
- OEM electrical assemblies.
- Commercial and infrastructure power systems.
Technical Specifications
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| Current | 630 A | |
|---|---|---|
| Poles | 3-pole | |
| Device Type | Fuse switch disconnector | |
| Manufacturer | Mersen | |
| Model | M630D30S | |
| Reference number | B1043281 | |
| Product type | IEC fused switch disconnector | |
| Rated current | 630 A | |
| Rated operating voltage | Up to 690 V AC | |
| Number of poles | 3 | |
| Fuse size | NH Size 3 | |
| Operating mechanism | Right-side operated | |
| Primary function | Switching, isolation and overcurrent protection | |
| Mounting application | Panel / switchboard installation | |
| Weight | Approx. 13.9 kg |
Frequently Asked Questions
What is the Mersen M630D30S used for?
The M630D30S is used to switch, isolate and provide fuse protection for high-current three-phase circuits in industrial low-voltage power distribution systems.
What is the current rating of the M630D30S?
The Mersen M630D30S has a rated operational current of 630 A.
Which fuse size is compatible with the M630D30S?
The switch is designed for NH Size 3 fuse links, allowing suitable fuse ratings to be selected according to the installation requirements.
How is the M630D30S operated?
The M630D30S features a right-side-operated mechanism, making it suitable for switchboards and enclosures requiring side-mounted operation.
What operating voltage is supported?
The M630D30S is suitable for industrial low-voltage systems operating at up to 690 V AC.
Trusted by Electrical Professionals Worldwide
Mersen fused switch disconnectors are trusted by panel builders, OEMs and industrial electrical engineers for dependable high-current switching, secure electrical isolation and reliable fuse protection in demanding power distribution applications.
