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 |
| 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 | 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 |