Approvals & Standards
- IEC/EN 60 947-3
- For NH-fuse links size 4a in accordance with IEC/EN 60 269-2, VDE 0636-2
Key features & benefits
The production programme of MULTIBLOC® series 4a.ST8 - 1250 A comprises NH fuse switch disconnectors for 1250A.
They are designed for bottom fitting/panel installation and are available in single pole and triple pole units.
MULTIBLOC® size 4a are designed for NH fuse-links in accordance with IEC/EN 60269-2, VDE 0636-2, size 4a, 1250A.
MULTIBLOC® offers the user the possibility of fast and easy installation as well as a high degree of security during installation and maintenance.
Applications
- Panel boards for industrial use
- Feeder pillars for industrial use
- Meter distribution units
- Measuring transformer cabinets
- Transmitting stations for telecommunications
Documents & Resources
Datasheet
Compliance
Product Specifications
项目编号
W1023082
Catalogue No.
1.000.090
项目描述（ERP）
MB4a 1250A 3P 1.000.090
Description
MULTIBLOC size 4a / 1250A, 3-pole M16 terminal screws
EAN/UPC 码
4027597028756
Frequency
50 ... 60 Hz Hz
额定交流电压 (IEC)
400 V
Ampere Rating
1250 A
使用类别
AC 22 B @ Ue = AC 400 V; Ie = 1250 A
使用类别
DC 20 B @ Ue = DC 1000 V; Ie = 1250 A (with solid links)
开关功能
1-,3-pole switching
符合 ROHS 标准
Yes
熔断器规格
4a
设计细节
triple pole switching
极数
3-Pole
污染程度
3
额定负载
uninterrupted duty
Rated Impulse Withstand Voltage
8 kV
额定绝缘电压
800 V
Rated SC Withstand
50 kA / 1 s
Conventional Free Air thermal Current With Fuse-Links Ith
1250 A
约定自由空气发热电流 - 固态熔断体
1500 A
熔断体 Pn 的最大功耗
115 W
固态熔断体 Pn 的最大功耗
42 W
Power Dissipation by Ith without Fuse-Links
180 W
无固态熔断体时的 Ith 功耗
180 W
采用固态熔断体时的额定短路接通能力 Icm
100 kA
安装方式
Bottom Fitting/panel
Comments
Cable termination components : M16 terminal screws
产品重量
12.5 kg
产品宽度
378 mm
产品长度
233 mm
产品高度
330 mm
销售包装数量
1 EACH
销售包装重量
12.5 kg
销售包装宽度
410 mm
销售包装长度
415 mm
销售包装高度
270 mm