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Approvals & Standards

  • IEC/EN 60 947-3
  • For NH-fuse links size 2 in accordance with IEC/EN 60 269-2, VDE 0636-2

Key features & benefits

The production programme of MULTIBLOC® series 2.ST8 comprises NH fuse switch disconnectors for 400A.
They are designed for bottom fitting/panel installation and are available in triple pole and quadruple pole units.
For installation of MULTIBLOC® NH fuse switch disconnectors in distribution units with central cover, respective covers are used to obtain a uniform profile in height and length.
MULTIBLOC® size 2 are designed for NH fuse-links in accordance with IEC/EN 60269-2, VDE 0636-2, size 2, 400A.
MULTIBLOC® offers the user the possibility of fast and easy installation as well as a high degree of security during installation and maintenance.

More specifications

Applications

  • Panel boards for industrial use
  • Feeder pillars for industrial use
  • Meter distribution units
  • Measuring transformer cabinets
  • Transmitting stations for telecommunications

Product Specifications

Item Number

Y1002131  

Catalogue No.

1.002.379  

Item Description (ERP)

MB2 400A 3P+N 1.002.379  

Short Description

MULTIBLOC 2.ST8 size 2 / 400A, 4-pole N = solid link / pole 4, leading/lagging  

EAN/UPC Code

9008567000823  

Frequency

50 ... 60 Hz   Hz

Rated voltage AC IEC

690   V

Ampere Rating

400   A

Utilization Category

AC 23 B @ Ue = AC 400 V; Ie = 400 A  

Utilization Category

AC 22 B @ Ue = AC 500 V; Ie = 400 A  

Utilization Category

AC 21 B @ Ue = AC 690 V; Ie = 315 A  

Switchability

3-,4-pole switching  

ROHS Compliant

Yes  

Short Circuit Current Rating (SCCR)

80kA@Ue = AC 400 V; Ie = 400 A / 80kA@Ue = AC 500 V; Ie = 400 A / 80kA (3-pole)@Ue = AC 690 V; Ie = 315 A / 50kA (4-pole)@Ue = AC 690 V; Ie = 315 A  

Fuse Size

2  

Design Details

with ready fitted speacial solid link as neutral conductor in pole 4 for leading and lagging switching  

Number of Poles

4-Pole  

Degree of Pollution

3  

Rated Duty

uninterrupted duty  

Rated Impulse Withstand Voltage

12   kV

Rated Insulation Voltage

1000   V

Rated SC Withstand

13 kA / 1 s  

Conventional Free Air thermal Current With Fuse-Links Ith

400   A

Conventional Free Air thermal Current - Solid Links

630   A

Max Power dissipation of Fuse Links Pn

34   W

Max Power dissipation of Solid Links Pn

9   W

Power Dissipation by Ith without Fuse-Links

27   W

Power Dissipation by Ith without Solid Links

67   W

Rated short circuit making capacity with solid links Icm

10.6   kA

Installation Mounting

Bottom Fitting/panel  

Comments

Cable termination components : 8 M10 terminal screws  

Product Weight

5.26   kg

Product Width

274   mm

Product Length

138.5   mm

Product Height

259   mm

Sell Pack Quantity

1   EACH

Sell Pack Weight

5.26   kg

Sell Pack Width

265   mm

Sell Pack Length

325   mm

Sell Pack Height

155   mm