Range

SIZE Un (V AC) In (A) REFERENCE
NH2 690V 250 371360
315 371370
355 371375
400 371380
450 371387

Technical data

Rated voltage 690V AC
550V DC (L/R=10ms)
Rated currents 250A...450A
Rated breaking capacity 100kA @690V AC
30kA @550V AC
Utilization category 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 71,5 150 25 10 9,5 6 53 48 60 72

Weight  620gr

t-I characteristics

Cut-off characteristics

Power dissipation

RATED CURRENT
(A)
REFERENCE POWER DISSIPATION
(W)
PREARCING I2t
(A2s)
TOTAL I2t
(A2s)
TOTAL I2t 690V
(A2s)
250 371360 32,2 18,6 24280 74460
315 371370 35,8 20,8 50660 155360
355 371375 40,1 23,4 67450 206850
400 371380 42,6 24,4 100770 309000
450 371387 47,2 33,9 140740 431580

Compatible

NH2 ST 690V/800V fuse base
U 690V
800V
In 400 A

Other sizes

U 690V AC 690V AC 690V AC 690V AC
IN 20A...100A 125A | 160A 125A...280A 355A...630A
Breaking capacity 100kA
30kA @440V DC
100kA
30kA @440V DC
100kA
30kA @550V DC
100kA
30kA @550V DC

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