MERSEN FUSE MB3 630A 4P 1.001.904 1.001.904

Why Choose the NH fuse-switch disconnector MULTIBLOC® Size 3 630A 3-Pole+N?

Engineered for robust industrial protection, the MULTIBLOC® Size 3 630A 3-Pole+N fuse-switch disconnector ensures reliable isolation and safe load switching in demanding low-voltage applications. Its bottom fitting and secure panel connection, utilising M12 screw terminals, enable straightforward, durable installation.

This device supports high-capacity operations up to 630A, offering long-term performance, minimal maintenance, and compliance with stringent safety standards. Ideal for professionals seeking efficiency and reliability in power distribution systems.

Product Code: N1023075

Key Benefits

• High current rating of 630A suitable for demanding industrial applications.
• Reliable 4-pole switching with neutral for comprehensive isolation.
• Robust bottom fitting and panel connection with M12 screw terminals for secure installation.
• Compliance with IEC standards ensuring safety and performance.
• High short circuit current rating up to 80kA for enhanced protection.
• Low maintenance design with durable construction for long service life.

Compatibility

This fuse-switch disconnector is compatible with NH fuse links size 3 and designed for use in low-voltage power distribution systems. It fits standard panel cut-outs and works efficiently with IEC Fuse Switch Disconnectors product group components.

Applications

• Industrial power distribution and control panels.
• Electrical isolation and protection in manufacturing plants.
• Switching and protection in commercial electrical installations.
• Maintenance and safety isolation in electrical networks.

Technical Specifications

• Item number: N1023075
• Catalogue No: 1.001.904
• Description: NH fuse-switch disconnector MULTIBLOC® Size 3 630A 3-Pole+N switching Bottom Fitting/panel Connection Screw M12
• EAN/UPC Code: 9008567002377
• 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: 4-pole switching
• RoHS Compliant: Yes
• 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: 4-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: 331.5 mm
• Product Length: 153.9 mm
• Product Height: 299 mm
• Sell Pack Quantity: 1 EA
• Sell Pack Weight: 7.44 kg
• Sell Pack Width: 330 mm
• Sell Pack Length: 355 mm
• Sell Pack Height: 190 mm
• Product group: IEC Fuse Switch Disconnectors
• Conventional Free Air thermal Current With Fuse-Links Ith: 630 A
• Product Weight: 7.44 kg
• Conventional Free Air thermal Current - Solid Links: 780 A

Common Search Terms

NH fuse switch disconnector, MULTIBLOC Size 3, 630A fuse switch, 4-pole fuse switch, IEC fuse switch disconnector, industrial fuse switch, panel mount fuse switch, bottom fitting fuse switch, high current fuse switch, 3-pole plus neutral fuse switch