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Approvals & Standards

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

Key features & benefits

The production programme of MULTIBLOC® series 3.ST8 comprises NH fuse switch disconnectors for 630A.
They are designed for bottom fitting/panel installation and are available in triple 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 3 are designed for NH fuse-links in accordance with IEC/EN 60269-2, VDE 0636-2, size 3, 630A.
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

M1023074  

Catalogue No.

1.002.713  

Description

NH fuse-switch disconnector MULTIBLOC® Size 3 630A 3-Pole switching Bottom Fitting/panel Connection Screw M12 elec mon.  

EAN/UPC Code

9008567005903  

Frequency

50 ... 60   Hz

Rated voltage AC IEC

690   V

Ampere Rating

630   A

Utilization Category

AC 23 B @ Ue = AC 400 V; Ie = 630 A  

Utilization Category

AC 22 B @ Ue = AC 500 V; Ie = 630 A  

Utilization Category

AC 21 B @ Ue = AC 690 V; Ie = 500 A  

Switchability

3-,4-pole switching  

ROHS Compliant

Yes  

Short Circuit Current Rating (SCCR)

80kA@Ue = AC 400 V; Ie = 630 A / 80kA@Ue = AC 500 V; Ie = 630 A / 50kA@Ue = AC 690 V; Ie = 500 A  

Fuse Size

3  

Design Details

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

Number of Poles

3-Pole  

Degree of Pollution

3  

Rated Duty

uninterrupted duty  

Rated Impulse Withstand Voltage

12   kV

Rated Insulation Voltage

1000   V

Rated SC Withstand

18 kA / 1 s  

Conventional Free Air thermal Current With Fuse-Links Ith

630   A

Conventional Free Air thermal Current - Solid Links

780   A

Max Power dissipation of Fuse Links Pn

48   W

Max Power dissipation of Solid Links Pn

17.5   W

Power Dissipation by Ith without Fuse-Links

53   W

Power Dissipation by Ith without Solid Links

81   W

Rated short circuit making capacity with solid links Icm

18.6   kA

Installation Mounting

Bottom Fitting/panel  

Comments

Cable termination components : 6 M12 terminal screws  

Product Weight

12.125   lb

Product Width

10.08   in

Product Length

6.57   in

Product Height

11.77   in

Sell Pack Quantity

1   EACH

Sell Pack Weight

12.125   lb

Sell Pack Width

10.43   in

Sell Pack Length

12.8   in

Sell Pack Height

6.1   in