NH3 GS NH Semiconductor Fuse Link - DF Electric

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NH3 gS fuse link for semiconductors 690V AC
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NH3 gS fuse link for semiconductors 690V AC gS NH fuse links for semiconductors 690V AC

Download technical data

REF 371450 / 371455 / 371463 / 371465 / 371470

Range

SIZE Un (V AC) In (A) REFERENCE
NH3 690V 355 371450
400 371455
450 371463
500 371465
630 371470

Technical data

Rated voltage 690V AC550V DC (L/R=10ms)
Rated currents 355A...630A
Rated breaking capacity 100kA @690V AC30kA @550V DC
Operating class gS
Rated frequency 42...62Hz
Storage temperature -40°C ... 80°C
Operating temperature * -25°C ... 60°C
* For ambient temperatures higher than 25ºC it is necessary to apply a derating in maximum current.

Standards

IEC/EN 60269-1 IEC/EN 60269-4 RoHS Compliant

Dimensions

A B C D E F G H I J K L
68 62 73 150 32 10 9,5 6 70 60 75 87

Weight  1,02kg

t-I characteristics

Cut-off characteristics

Power dissipation

RATED CURRENT(A) REFERENCE POWER DISSIPATION In(W) POWER DISSIPATION 0,8·In(W) PREARCING I2t(A2s) I2t 690V(A2s)
355 371450 39,6 22,76 54240 151700
400 371455 42,7 24,3 75760 211900
450 371463 46 26,3 114770 320970
500 371465 47,1 27,6 165270 309000
630 371470 60,4 34,3 303060 847570

Compatible

NH3 ST 690V/800V fuse base Microswitch for NH fuse links NH ST 1000V AC/DC Fuse puller
U 690V800V 250V AC 1000V DC
In 630 A 5 A

Other sizes

U 690V AC 690V AC 690V AC 690V AC
IN 20A...100A 125A | 160A 125A...280A 250A...450A
Breaking capacity 100kA30kA @440V DC 100kA30kA @440V DC 100kA30kA @550V DC 100kA30kA @550V DC

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