Range

SIZE Un (V AC) In (A) REFERENCE
NH3 690V 500 365465
550 365467
630 365470
700 365472
800 365475
900 365480
1000 365485

Technical data

Rated voltage 690V AC
550V DC (L/R=10ms)
Rated currents 500A...1000A
Rated breaking capacity 120kA @690V AC
30kA @550V AC
Utilization category aR
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
(W)
PREARCING I2t
(A2s)
TOTAL I2t
(A2s)
TOTAL I2t 690V
(A2s)
500 365465 136 76 24460 120320
550 365467 145 81 34170 168060
630 365470 159 89 45500 223750
700 365472 184 103 65520 322200
800 365475 191 107 97870 481310
900 365480 216 121 126380 621520
1000 365485 268 150 182000 895000

Compatible

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

Other sizes

U 690V AC 690V AC 690V AC
IN 16A...250A 40A...400A 200A...700A
Breaking capacity 120kA
30kA @440V DC
120kA
30kA @550V DC
120kA
30kA @550V DC

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