MERSEN FUSE MB3 630A 3P 1.001.150 1.001.150

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

The NH fuse-switch disconnector MULTIBLOC® Size 3 is engineered for demanding industrial applications, providing reliable protection and safe switching for circuits rated up to 630A. Its robust three-pole configuration ensures consistent performance in low-voltage distribution systems.

Featuring a durable bottom fitting/panel connection and secure M12 screw terminals, this unit offers straightforward installation and long-term operational dependability. Compliant with IEC standards, it is ideal for panel builders and OEMs seeking enhanced safety and efficiency in power distribution.

Product Code: K1023072

Key Benefits

• Reliable protection with IEC compliance for industrial applications
• Robust 3-pole switching design suitable for 630A circuits
• Durable bottom fitting/panel mounting for secure installation
• Secure M12 screw terminals for easy and safe connections
• Electromechanic fuse monitoring with galvanic isolation enhances safety
• High short circuit current rating ensures operational safety under fault conditions

Compatibility

This NH fuse-switch disconnector is compatible with Size 3 NH fuses and is designed to integrate seamlessly into low-voltage distribution systems operating up to 690 V AC. It fits panel mounting configurations requiring bottom fitting connections and supports electromechanic fuse monitoring accessories.

Applications

• Industrial power distribution panels
• Motor control centres and switchboards
• OEM equipment requiring reliable fuse-switch disconnectors
• Low-voltage electrical installations up to 630A
• Protection and isolation in manufacturing plants and factories

Technical Specifications

• Item number: K1023072
• Catalogue No: 1.001.150
• Description: NH fuse-switch disconnector MULTIBLOC® Size 3 630A 3-Pole switching Bottom Fitting/panel Connection Screw M12 elecmec mon.
• EAN/UPC Code: 9008567002360
• 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
• 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
• Design Details: with electromechanic fuse monitoring MZS installed (galvanic isolation)
• 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: 224 mm
• Product Height: 299 mm
• Sell Pack Quantity: 1 EA
• Sell Pack Weight: 5.74 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: 5.74 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 fuse switch, M12 terminal fuse switch, IEC fuse switch disconnector, industrial fuse switch, electromechanic fuse monitoring, low voltage fuse switch