MERSEN FUSE MB3 630A 3P 1.001.125 1.001.125

Why Choose the NH Fuse-Switch Disconnector MULTIBLOC® Size 3 630A 3-Pole?

The MULTIBLOC® NH fuse-switch disconnector, Size 3, 630A, offers reliable three-pole switching and superior protection in demanding industrial and commercial applications. Designed for panel mounting, it features robust bottom fitting and secure M12 screw connections for ease of installation and long-term operational integrity.

This unit ensures safe disconnection under load, minimises downtime, and meets high-performance standards for power distribution. Its proven durability and compact form factor make it an excellent choice for engineers seeking dependable, space-efficient solutions for low-voltage switchgear assemblies.

Product Code: C1002135

Key Benefits

• Reliable three-pole switching for enhanced safety and operational control.
• Robust bottom fitting and M12 screw connections ensure secure and easy installation.
• High short circuit current rating up to 80kA for superior protection.
• Compact design suitable for space-efficient panel mounting.
• Meets IEC standards for low-voltage switchgear applications.
• Durable construction minimises maintenance and downtime.

Compatibility

This NH fuse-switch disconnector is compatible with MULTIBLOC® Size 3 fuse links and solid links, designed for use in IEC low-voltage switchgear assemblies. It supports AC systems up to 690 V and is suitable for applications requiring 3-pole switching with bottom fitting panel mounting.

Applications

• Industrial power distribution panels
• Commercial electrical switchgear assemblies
• Low-voltage motor control centres
• Protection and isolation in manufacturing plants
• Renewable energy system switchgear
• Maintenance and safety disconnection in electrical installations

Technical Specifications

• Item number: C1002135
• Catalogue No: 1.001.125
• Description: NH fuse-switch disconnector MULTIBLOC® Size 3 630A 3-Pole switching Bottom Fitting/panel Connection Screw M12
• EAN/UPC Code: 4027597023652
• Frequency (Hz): 50 ... 60 Hz
• Rated voltage AC IEC: 690 V
• Ampere Rating: 630 A
• Utilization Category: AC 23 B @ Ue = AC 400 V; Ie = 630 A AC 22 B @ Ue = AC 500 V; Ie = 630 A AC 21 B @ Ue = AC 690 V; Ie = 500 A
• Switchability: 3-pole switching
• AC or DC: AC
• Short Circuit Current Rating (SCCR): 80kA@Ue = AC 400 V; Ie = 630 A / 80kA@Ue = AC 500 V; Ie = 630 A / 50kA@Ue = AC 690 V; Ie = 500 A
• Fuse Size: 3
• Number of Poles: 3-Pole
• Degree of Pollution: 3
• Rated Impulse Withstand Voltage: 12 kV
• Rated Insulation Voltage: 1000 V
• Rated SC Withstand: 18 kA / 1 s
• Max Power dissipation of Fuse Links Pn: 48 W
• Max Power dissipation of Solid Links Pn: 17.5 W
• Power Dissipation by Ith without Fuse-Links: 53 W
• Power Dissipation by Ith without Solid Links: 81 W
• Rated short circuit making capacity with solid links Icm: 18.6 kA
• Installation Mounting: Bottom Fitting/panel
• Product Width: 256 mm
• Product Length: 148.9 mm
• Product Height: 299 mm
• Sell Pack Quantity: 1 EA
• Sell Pack Weight: 4.94 kg
• Sell Pack Width: 265 mm
• Sell Pack Length: 325 mm
• Sell Pack Height: 155 mm
• Product group: IEC Fuse Switch Disconnectors
• Conventional Free Air thermal Current With Fuse-Links Ith: 630 A
• Product Weight: 4.94 kg
• Conventional Free Air thermal Current - Solid Links: 780 A

Common Search Terms

NH fuse switch disconnector, MULTIBLOC® Size 3, 630A fuse switch, 3-pole fuse switch, bottom fitting switch disconnector, IEC fuse switch, industrial fuse switch, panel mount fuse switch, M12 screw connection fuse switch, low-voltage switchgear components.