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 |
| Operating class | 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 |