Range

SIZE Un (V DC) In (A) REFERENCE
NH3 550V
L/R ≤ 10ms
500 370465
630 370470

Technical data

Rated voltage 550V DC
L/R ≤ 10ms
Rated currents 500A | 630A
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 73 150 32 10 9,5 6 70 60 75 87

Weight  1,02kg

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)
500 370465 27,6 47,1 330000 480000
630 370470 34,3 60,4 605000 880000

Compatible

NH3 ST 690V/800V fuse base
U 690V
800V
In 630 A

Other sizes

U 440V DC 440V DC 550V DC 550V DC
IN 20A...100A 125A | 160A 200A...280A 315A...450A
Breaking capacity 30kA 30kA 30kA 30kA

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