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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

项目编号

X1023060  

Catalogue No.

1.002.711  

项目描述(ERP)

MB1 250A 3P 1.002.711  

Description

MULTIBLOC 1.ST8 Gr. 1 / 250A, 3-pole electronic fuse monitoring installed  

EAN/UPC 码

9008567005880  

Frequency

50 ... 60 Hz   Hz

额定交流电压 (IEC)

690   V

Ampere Rating

250   A

使用类别

AC 23 B @ Ue = AC 400 V; Ie = 250 A  

使用类别

AC 22 B @ Ue = AC 500 V; Ie = 250 A  

使用类别

AC 21 B @ Ue = AC 690 V; Ie = 200 A  

使用类别

DC 21 B @ Ue = DC 440 V; Ie = 250 A  

开关功能

1-,2-,3-,4-pole switching  

符合 ROHS 标准

Yes  

短路电流额定值 (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  

熔断器规格

1  

设计细节

with electronic fuse monitoring ESÜ installed (rated voltage=525VAC)  

极数

3-Pole  

污染程度

3  

额定负载

uninterrupted duty  

Rated Impulse Withstand Voltage

12   kV

额定绝缘电压

1000   V

Rated SC Withstand

8 kA / 1 s  

Conventional Free Air thermal Current With Fuse-Links Ith

250   A

约定自由空气发热电流 - 固态熔断体

400   A

熔断体 Pn 的最大功耗

23   W

固态熔断体 Pn 的最大功耗

2.6   W

Power Dissipation by Ith without Fuse-Links

13   W

无固态熔断体时的 Ith 功耗

33   W

采用固态熔断体时的额定短路接通能力 Icm

8.2   kA

安装方式

Bottom Fitting/panel  

Comments

Cable termination components : 6 M10 terminal screws  

产品重量

2.64   kg

产品宽度

185   mm

产品长度

129   mm

产品高度

246   mm

销售包装数量

1   EACH

销售包装重量

2.64   kg

销售包装宽度

187   mm

销售包装长度

248   mm

销售包装高度

112   mm