Range

SIZE Un (V DC) In (A) REFERENCE
NH1 550V
L/R ≤ 10ms
200 370260
250 370270
280 370273

Technical data

Rated voltage 550V DC
L/R ≤ 10ms
Rated currents 200A...280A
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 71,5 135 20 10 9,5 6 39 40 52 64

Weight  380gr

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)
200 370260 16,1 28,6 18000 30000
250 370270 19,5 33,2 34500 56000
280 370273 20,1 35,7 51300 83700

Compatible

NH1 ST 690V/800V fuse base
U 690V
800V
In 250 A

Other sizes

U 440V DC 440V DC 550V DC 550V DC
IN 20A...100A 125A | 160A 315A...450A 500A | 630A
Breaking capacity 30kA 30kA 30kA 30kA

Privacy Preference Center