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.
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
Item Number
T1023057
Catalog number
1.000.831
Description
NH fuse-switch disconnector MULTIBLOC® Size 1 250A 3-Pole switching Bottom Fitting/panel Connection Screw M10 elecmec mon.
EAN/UPC code
4027597023454
Frequency
50 ... 60 Hz
Rated voltage AC IEC
690 V
Rated current
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 21 B @ Ue = DC 440 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
Design Details
with electromechanic fuse monitoring MZS installed (galvanic isolation)
Number of Poles
3-Pole
Degree of pollution
3
Rated Duty
uninterrupted duty
Rated Impulse Withstand Voltage Uimp
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
13 W
Power Dissipation by Ith without Solid Links
33 W
Rated short circuit making capacity with solid links Icm
8.2 kA
Installation Mounting
Bottom Fitting/panel
Comments
Cable termination components : 6 M10 terminal screws
Product Weight
3.13 kg
Product Width
185 mm
Product Length
186.5 mm
Product Height
246 mm
Sell Pack Quantity
1 EACH
Sell Pack Weight
3.13 kg
Sell Pack Width
208 mm
Sell Pack Length
262 mm
Sell Pack Height
185 mm