Range
| SIZE | Un (V AC) | In (A) | REFERENCE |
| NH3 | 800V | 250 | 369435 |
| 315 | 369445 | ||
| 355 | 369450 | ||
| 400 | 369455 |
Technical data
| Rated voltage | 800V AC |
| Rated currents | 250A...400A |
| Rated breaking capacity | 120kA |
| Operating class | gS |
| Rated frequency | 42Hz...62Hz |
| 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/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 In (W) |
POWER DISSIPATION 0,8·In (W) |
PREARCING I2t (A2s) |
I2t 800V (A2s) |
|---|---|---|---|---|---|
| 250 | 369435 | 27,5 | 16,2 | 30300 | 98000 |
| 315 | 369445 | 33 | 19,5 | 58200 | 187000 |
| 355 | 369450 | 33,75 | 19,9 | 86900 | 279000 |
| 400 | 369455 | 37,5 | 22,1 | 121300 | 390000 |
Compatible
 |
|||
| NH3 ST 690V/800V fuse base | |||
| U | 690V 800V |
||
| In | 630 A | ||
Other sizes
 |
 |
|
 |
 |
|
|---|---|---|
| U | 800V AC | 800V AC |
| IN | 25A...100A | 100A...200A |
| Breaking capacity | 120kA | 120kA |