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Technical data for NH fuse-switches, vertical design

acc. to VDE 0660 / 107 – IEC/EN 60 947-3

For NH fuse-links acc. to VDE 0636 T201 1) Size 00 1 2 3 4a 3
1000 A3)
Rated operational current le A 160 250 400 630 1250/16002) 1000
Conventional free air thermal current Ith A 160 250 400 630 1250/16002) 1000
Rated operational voltage Ue V 690 690 690 690 690 690
Rated insulation voltage Ui V 800 800 800 800 800 800
Rated impuls withstand voltage kV 8 8 8 8 8 8
Rated conditional short circuit current (when protected by fuse-links) kA 50 50 50 50 50
Utilization category IEC 60 947-3 Ue = 400 V AC-22B AC-22B AC-22B AC-22B AC-22B AC-20B
Ue = 690 V AC-21B AC-21B AC-21B AC-21B AC-21B AC-20B
Ue = 440 V DC-21B * * * DC-21B DC-20B
Mechanical durability cycles 1600 1600 1000 1000 600 1000
Permissible ambient air temperature –25 up to +55 –25 up to +55 –25 up to +55 –25 up to +55 –25 up to +55
Type of protection IP 2 x IP 2 x IP 2 x IP 2 x IP 2 x IP 2 x

 

Notice:

1) When using gR-fuse-links (VDE 0636/40), please ask for information.
2) 1600 A possible with fuse-links up to a rated power dissipation of 140 W.
3) Isolator unit with solid copper-links only (on demand).
* “DC-Category on demand!”