Why Choose the Mersen L1023211 MULTIVERT® Fuse Switch Disconnector?
The Mersen L1023211 is a heavy-duty NH Size 2 vertical fuse switch disconnector from the MULTIVERT® 400A series, engineered for safe switching, isolation and protection of low-voltage power distribution systems. Designed for installation on a standard 185 mm busbar system, it features a 1 × 3-pole switching configuration with dual V-terminals per phase, making it ideal for installations requiring multiple outgoing conductors.
Rated at 400 A and 690 V AC, the L1023211 is designed for use with NH Size 2 fuse links manufactured in accordance with IEC/EN 60269-2. Its modular MULTIVERT® construction enables rapid installation, excellent accessibility during maintenance and reliable long-term performance in demanding industrial environments.
The innovative 2 V-terminal connections per phase provide greater flexibility when terminating multiple cables or busbar links, reducing the need for additional distribution blocks while maintaining a neat and professional switchboard layout.
Key Advantages
- High-capacity 400 A NH fuse switch disconnector.
- Designed for 185 mm busbar systems.
- Dual V-terminals per phase simplify multiple cable terminations.
- 1 × 3-pole switching provides simultaneous isolation of all phases.
- Suitable for NH Size 2 fuse links.
- Excellent short-circuit withstand capability up to 120 kA.
- Compact MULTIVERT® design optimises switchboard space.
- Quick installation and straightforward maintenance.
Key Features
- Mersen MULTIVERT® 400A series.
- Model: L1023211.
- Catalogue number: 1.270.900.
- 400 A rated current.
- 690 V AC rated operational voltage.
- NH Size 2 fuse compatibility.
- 1 × 3-pole switching configuration.
- Dual V-terminals (2 terminals per phase).
- 185 mm busbar mounting.
- Compact installation depth.
High-Capacity Switching for Modern Distribution Systems
The Mersen L1023211 combines safe load switching, circuit isolation and NH fuse protection in a compact assembly suitable for industrial switchboards and commercial electrical installations. Its dual V-terminal arrangement allows multiple cable terminations directly at the switch, simplifying wiring and reducing installation time.
Designed as part of the modular MULTIVERT® platform, the unit offers dependable operation, high levels of operator safety and easy integration into modern power distribution equipment while complying with IEC 60947-3 requirements.
Typical Applications
- Industrial switchboards.
- Power distribution panels.
- Motor control centres.
- Commercial electrical installations.
- Utility substations.
- OEM switchgear assemblies.
- Renewable energy distribution systems.
- Large industrial power distribution networks.
