Approvals & Standards
- IEC/EN 60 947-3
- For NH fuse-links size 1 in accordance with IEC/EN 60269-2, VDE 0636-2
Key features & benefits
The production programme of MULTIBLOC® 1.RST8 comprises NH fuse switch disconnectors for 250A.
Products are designed in triple pole units for direct installation on to 40 mm and 60mm bus bar systems.
For installation of MULTIBLOC® NH fuse switch disconnectors of different sizes 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.
The system is a modular system, which allows the installation and combination of individual components. 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
M1023051
Catalog number
1.000.855
Description
NH fuse-switch disconnector MULTIBLOC® Size 1 250A 3-Pole switching Bus bar system 40mm Connection Screw M10 elecmec mon.
EAN/UPC code
9008567002131
Frequency
50 ... 60 Hz
Rated voltage AC IEC
690 V
Rated voltage DC IEC
440 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
Triple 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 / 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
20 W
Rated short circuit making capacity with solid links Icm
8.2 kA
Installation Mounting
Bus bar system 40 mm and 60 mm
Comments
Cable termination components : 3 M10 terminal screws
Product Weight
3.8 kg
Product Width
185 mm
Product Length
186.5 mm
Product Height
246 mm
Sell Pack Quantity
1 EACH
Sell Pack Weight
3.8 kg
Sell Pack Width
208 mm
Sell Pack Length
262 mm
Sell Pack Height
185 mm