Mersen MB000 125A 3P Bottom Panel Mount Fuse Switch Disconnector

The Mersen MB000 125A 3P Bottom/Panel Mount Fuse Switch Disconnector is a robust three-pole fuse switch disconnector designed for safe isolation and protection in low-voltage electrical systems, suitable for panel or bottom mounting in industrial and commercial applications.

Product Description

The MB000 series from Mersen is a compact, modular fuse switch disconnector rated for 125A at 690V AC, providing reliable circuit protection and isolation. It accommodates NH size 000 fuses for easy replacement and features a padlockable handle for lockout/tagout safety. Ideal for distribution boards, motor control centers, and renewable energy systems, it ensures compliance with IEC standards for electrical safety and efficiency.

Key Features

• 3-pole configuration: Simultaneous disconnection of all phases for safety.
• Padlockable handle: Allows secure lockout during maintenance.
• Compact modular design: Easy integration into panels or enclosures.
• Fuse compatibility: Accepts NH000 fuses for quick replacement.
• High breaking capacity: Up to 100 kA for fault protection.
• Bottom/panel mount: Flexible installation options.
• IP20 rating: Touch-safe terminals for user protection.

Technical Specifications

• Model: D1070423 – MB000 125A 3P Fuse Switch Disconnector.
• Rated current: 125 A.
• Rated voltage: 690 V AC.
• Poles: 3.
• Fuse size: NH000.
• Breaking capacity: 100 kA.
• Power dissipation: <10 W per pole at rated current.
• Standards: IEC 60947-3 compliant.

Dimensions & Weights

• Width: 106 mm.
• Depth: 70 mm.
• Height: 135 mm.
• Weight: 0.65 kg.

System & Application Notes

• Ideal for low-voltage distribution, motor protection, and PV systems requiring fuse isolation.
• Compatible with standard NH fuses; mount on DIN rail or panel.
• Suitable for industrial and commercial setups; ensures safe disconnection under load.
• Installation by qualified electricians following IEC guidelines.
• Enhances system safety with lockable mechanism; no maintenance required.