MERSEN FUSE MB4a 1600A 3P 1.000.092 1.000.092

Why Choose the NH Fuse-Switch Disconnector MULTIBLOC® Size 4a 1600A 3-Pole?

Engineered for demanding industrial and utility applications, the MULTIBLOC® Size 4a 1600A 3-pole fuse-switch disconnector ensures reliable circuit protection and isolation. Its bottom fitting with panel connection and robust M12 screw terminals provide secure, vibration-resistant installation for high-current operations.

This device supports standard NH fuses, accommodating up to 1600A, making it ideal for main distribution boards and critical power infrastructure. The durable construction and precise switching mechanism guarantee safe maintenance and operational continuity in even the most challenging environments.

Technical Specifications

• Item number: Z1023085
• Catalogue No: 1.000.092
• Description: NH fuse-switch disconnector MULTIBLOC® Size 4a 1600A 3-Pole switching Bottom Fitting/panel Connection Screw M12 ct.150A
• EAN/UPC Code: 9008567007013
• Frequency (Hz): 50 ... 60 Hz
• Rated voltage AC IEC: 690 V
• Ampere Rating: 1600 A
• Utilization Category: AC 21 B @ Ue = AC 400 V; Ie = 1600 A
• Switchability: 3-pole switching
• RoHS Compliant: Yes
• AC or DC: AC
• Short Circuit Current Rating (SCCR): 31,5kA@Ue = AC 400 V; Ie = 1600 A / 31,5kA@Ue = AC 500 V; Ie = 1600 A / 31,5kA@Ue = AC 690 V; Ie = 1600 A
• Fuse Size: 4a
• Design Details: triple pole switching
• Number of Poles: 3-Pole
• Degree of Pollution: 3
• Rated Impulse Withstand Voltage: 8 kV
• Rated Insulation Voltage: 800 V
• Rated SC Withstand: 50 kA / 1 s
• Max Power dissipation of Fuse Links Pn: 140 W
• Max Power dissipation of Solid Links Pn: 42 W
• Power Dissipation by Ith without Fuse-Links: 270 W
• Power Dissipation by Ith without Solid Links: 270 W
• Rated short circuit making capacity with solid links Icm: 100 kA
• Installation Mounting: Bottom Fitting/panel
• Product Width: 378 mm
• Product Length: 232.9 mm
• Product Height: 330 mm
• Sell Pack Quantity: 1 EA
• Sell Pack Weight: 13.9 kg
• Sell Pack Width: 300 mm
• Sell Pack Length: 400 mm
• Sell Pack Height: 400 mm
• Product group: IEC Fuse Switch Disconnectors
• Conventional Free Air thermal Current With Fuse-Links Ith: 1600 A
• Product Weight: 13.9 kg
• Conventional Free Air thermal Current - Solid Links: 1800 A

Product Code: Z1023085

Key Benefits

• High current rating of 1600A suitable for heavy-duty industrial applications.
• Reliable 3-pole switching ensures safe and efficient circuit isolation.
• Bottom fitting with panel connection for secure and vibration-resistant installation.
• Compatible with standard NH fuses for easy maintenance and replacement.
• Robust construction designed to withstand harsh environmental conditions.
• Complies with RoHS standards, ensuring environmentally responsible manufacturing.

Compatibility

This fuse-switch disconnector is compatible with NH fuse links of size 4a and supports solid links rated up to 1800 A. It is designed for use in IEC-compliant electrical systems operating at voltages up to 690 V AC and frequencies of 50 to 60 Hz. The device fits standard bottom fitting/panel mounting setups, making it suitable for integration into existing industrial switchgear and distribution boards.

Applications

• Main distribution boards in industrial and commercial facilities.
• Power infrastructure in utilities and energy sectors.
• Protection and isolation in motor control centres and switchgear assemblies.
• Heavy machinery and equipment requiring high-current circuit protection.
• Renewable energy installations such as wind and solar power plants.

Common Search Terms

NH fuse switch disconnector, MULTIBLOC 1600A fuse switch, 3-pole fuse switch, industrial fuse switch, IEC fuse switch disconnector, bottom fitting fuse switch, panel mount fuse switch, high current fuse switch, M12 screw terminal fuse switch, 690V fuse switch disconnector.