Skip to main content
China | 中国
Germany | Deutschland
Country / Language:  Canada / English

Approvals & Standards

  • IEC/EN 60 947-3
  • For NH-fuse links size 1 in accordance with IEC/EN 60 269-2, VDE 0636-2

Key features & benefits

The production programme of MULTIBLOC® series 1.ST8 comprises NH fuse switch disconnectors for 250A.
They are designed for bottom fitting/panel installation and are available in single pole, double pole, tiple 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 1 are designed for NH fuse-links in accordance with IEC/EN 60269-2, VDE 0636-2, size 1, 250A.
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

Q229876  

Catalogue No.

1.000.388  

Item Description (ERP)

MB1 250A 1P 1.000.388  

Short Description

MULTIBLOC 1.ST8 size 1 / 250A, 1-pole M10 terminal screws  

EAN/UPC Code

4027597026776  

Frequency

50 ... 60 Hz   Hz

Rated voltage AC IEC

690   V

Ampere Rating

250   A

Utilization Category

AC 23 B @ Ue = AC 400 V; Ie = 250 A  

Utilization Category

AC 22 B @ Ue = AC 500 V; Ie = 250 A  

Utilization Category

AC 21 B @ Ue = AC 690 V; Ie = 200 A  

Utilization Category

DC 22 B @ Ue = DC 220 V; Ie = 250 A  

Switchability

1-,2-,3-,4-pole switching  

ROHS Compliant

Yes  

Short Circuit Current Rating (SCCR)

80kA@Ue=AC 400 V;Ie=250 A / 80kA@Ue=AC 500 V;Ie=250 A / 80kA (1-,2-pole)@Ue=AC 690 V;Ie=200 A / 50kA (3-,4-pole)@Ue=AC 690 V;Ie=200 A  

Fuse Size

1  

Number of Poles

1-Pole  

Degree of Pollution

3  

Rated Duty

uninterrupted duty  

Rated Impulse Withstand Voltage

12   kV

Rated Insulation Voltage

1000   V

Rated SC Withstand

8 kA / 1 s  

Conventional Free Air thermal Current With Fuse-Links Ith

250   A

Conventional Free Air thermal Current - Solid Links

400   A

Max Power dissipation of Fuse Links Pn

23   W

Max Power dissipation of Solid Links Pn

2.6   W

Power Dissipation by Ith without Fuse-Links

4   W

Power Dissipation by Ith without Solid Links

10   W

Rated short circuit making capacity with solid links Icm

8.2   kA

Installation Mounting

Bottom Fitting/panel  

Comments

Cable termination components : 2 M10 terminal screws  

Product Weight

1   kg

Product Width

71   mm

Product Length

110.5   mm

Product Height

246   mm

Sell Pack Quantity

1   EACH

Sell Pack Weight

1   kg

Sell Pack Width

79   mm

Sell Pack Length

246   mm

Sell Pack Height

112   mm