Robust NH fuse-switch disconnector designed for 185mm bus bar systems with 400A rating and 3×1-pole switching, ideal for industrial circuit protection.
£376.98
The Mersen J1002187 is a high-performance NH fuse switch disconnector engineered for reliable protection and isolation within low voltage electrical distribution systems. As part of the proven MULTIVERT® 400A series, it is designed for installation onto 185 mm busbar systems, providing safe switching, dependable circuit protection and straightforward maintenance for industrial power distribution applications.
Designed for demanding industrial environments, the J1002187 combines robust construction with a compact vertical design to maximise cabinet space while ensuring safe operation. The modular MULTIVERT® platform simplifies installation and maintenance, making it an excellent choice for panel builders, OEMs and electrical contractors requiring dependable fuse switching and isolation.
Rated at 400 A with a 690 V AC operating voltage, this Size 2 fuse switch disconnector accepts NH size 2 fuse-links and is suitable for a wide range of industrial switchboards, motor control centres and power distribution panels. Its three single-pole switching arrangement and M12 bolt cable termination provide secure electrical connections and long-term reliability.
Fuse switch disconnectors provide a safe means of switching, isolation and overcurrent protection within industrial electrical installations. The Mersen MULTIVERT® range is designed to improve operator safety while allowing rapid fuse replacement and dependable circuit isolation.
The J1002187 is widely used in industrial switchboards and distribution systems where high fault protection, compact installation and reliable long-term performance are essential. Its modular construction also allows straightforward integration into modern panel building projects.
| Current | 400 A |
|---|---|
| Phase | Three Phase |
| Item number | J1002187 |
| Catalogue No | 1.200.000 |
| Description | NH fuse-switch disconnector MULTIVERT® Size 2 400A 3x1-Pole switching Bus bar system 185mm Screw M12 bolt |
| EAN/UPC Code | 9008567000106 |
| Frequency (Hz) | 50 ... 60 Hz |
| Rated voltage AC IEC | 690 V |
| Ampere Rating | 400 A |
| Utilization Category | AC 23 B @ Ue = AC 400 V; Ie = 400 A AC 22 B @ Ue = AC 500 V; Ie = 400 A AC 21 B @ Ue = AC 690 V; Ie = 400 A |
| Switchability | 3x1-pole switching |
| RoHS Compliant | Yes |
| AC or DC | AC |
| Short Circuit Current Rating (SCCR) | 120kA@Ue = AC 400 V; Ie = 400 A / 120kA@Ue = AC 500 V; Ie = 400 A / 120kA@Ue = AC 690 V; Ie = 315 A / 100kA@Ue = AC 690 V; Ie = 400 A |
| Fuse Size | 2 |
| Number of Poles | 3-Pole |
| Degree of Pollution | 3 |
| Rated Impulse Withstand Voltage | 12 kV |
| Rated Insulation Voltage | 1000 V |
| Rated SC Withstand | 8 kA / 1 s |
| Max Power dissipation of Fuse Links Pn | 34 W |
| Max Power dissipation of Solid Links Pn | 9 W |
| Power Dissipation by Ith without Fuse-Links | 61 W |
| Power Dissipation by Ith without Solid Links | 151 W |
| Rated short circuit making capacity with solid links Icm | 16 kA |
| Installation Mounting | Bus bar system 185 mm |
| Product Width | 98 mm |
| Product Length | 190 mm |
| Product Height | 685 mm |
| Sell Pack Quantity | 1 EA |
| Sell Pack Weight | 4.6 kg |
| Sell Pack Width | 200 mm |
| Sell Pack Length | 705 mm |
| Sell Pack Height | 105 mm |
| Product group | IEC Fuse Switch Disconnectors |
| Conventional Free Air thermal Current With Fuse-Links Ith | 400 A |
| Product Weight | 4.6 kg |
| Conventional Free Air thermal Current - Solid Links | 630 A |
| HS Code | 85365080 |
| Country of Manufacture | Hungary |
It is an NH fuse switch disconnector used for switching, isolation and circuit protection within industrial low voltage electrical distribution systems.
The J1002187 has a 400 A rated current.
This fuse switch disconnector is rated for operation up to 690 V AC.
It is designed for NH Size 2 fuse-links in accordance with IEC standards.
It is typically installed on 185 mm busbar systems inside industrial switchboards, distribution panels and motor control centres.
Mersen MULTIVERT® fuse switch disconnectors are trusted by panel builders and industrial engineers worldwide for delivering safe switching, dependable circuit protection and reliable long-term performance in low voltage power distribution systems.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...