Range

SIZE Un (V DC) In (A) REFERENCE
NH2 550V
L/R ≤ 10ms
315 370370
355 370375
400 370380
450 370387

Technical data

Rated voltage 550V DC
L/R ≤ 10ms
Rated currents 315A...450A
Rated breaking capacity 30kA
Utilization category gBat
Storage temperature -40°C ... 90°C
Operating temperature * -40°C ... 80°C
* For ambient temperatures higher than 25ºC it is necessary to apply a derating in maximum current.

Standards

IEC/EN 60269-1
IEC 60269-7
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

Power dissipation

RATED CURRENT
(A)
REFERENCE POWER LOSS 0,8·In
(W)
POWER LOSS In
(W)
PREARCING I2t
2s)
OPERATING I2t at Un
(A2s)
315 370370 20,8 35,8 86750 128000
355 370375 23,4 40,1 115500 170500
400 370380 24,4 42,6 172500 255000
450 370387 33,9 47,2 241000 355000

Compatible

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

Other sizes

U 440V DC 440V DC 550V DC 550V DC
IN 20A...100A 125A | 160A 200A...280A 500A | 630A
Breaking capacity 30kA 30kA 30kA 30kA

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