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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 - 1600 A comprises NH fuse switch disconnectors for 1600A.
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.
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


  • Panel boards for industrial use
  • Feeder pillars for industrial use
  • Meter distribution units
  • Measuring transformer cabinets
  • Transmitting stations for telecommunications

Product Specifications

Frequency (Hz)

50 ... 60 Hz   Hz

Short Circuit Current Rating (SCCR)

31,5kA@Ue = AC 400 V; Ie = 1600 A / 31,5kA@Ue = AC 500 V; Ie = 1600 A / 31,5kA@Ue = AC 690 V; Ie = 1600 A  

Degree of Protection (IP)

IP 20  

CE Conformity


REACH Compliant


References in this series  (3)

Item number - Catalog No.

Fuse size

Number of poles

Product weight

X1023083 - 1.000.084



5   kg

Y1023084 - 1.000.091



13.7   kg

Z1023085 - 1.000.092



13.9   kg