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FH series fuse holder is DIN rail mounting Modular designed.
The contacts are made of conductive copper alloy.
The body is Self-extinguishable V-0 rating material.
LED option is available for open indication.
Coding Table
| Code | Pole | Thermal Rating | Packing |
| FH-51-1 | 1 | 50A | 6 |
| FH-51-2 | 2 | 50A | 3 |
| FH-51-3 | 3 | 50A | 2 |
| FH-51-4 | 4 | 50A | 1 |
Technical Data
| Parameter | FH-38 | FH-51 | FH-58 |
| Rated voltage | 690VAC | 690VAC | 690VAC |
| Breaking capacity | 50KA | 50KA | 100KA |
| Max. power dissipation | 3W max | 5W max | 9.5W max |
| Standard | IEC60269-2, IEC60947-3 | IEC60269-2, IEC60947-3 | IEC60947-3 |
| Operation cat. | AC-22B | AC-22B | AC-22B |
| Altitude | 2000m | 2000m | 2000m |
| Operating Temperature | -10oC – +50oC | -10oC – +50oC | -10oC – +50oC |
| Wire Section | Max 25mm2 | Max 35mm2 | Max 50mm2 |
| Torque | 2-2.5Nm | 2.5-3Nm | 2.5-3Nm |
| Flame Resistant (IEC60695-2-1) | 960oC | 960oC | 960oC |
| Rated Impulse Withstand Voltage | 6kV | 8kV | 8kV |
Characteristics
| Parameter | Value | Derating Factor |
| Acc. Ambient temperature | 20oC | 1 |
| 30oC | 0.95 | |
| 40oC | 0.90 | |
| 50oC | 0.80 | |
| Acc. Number of poles | 1-3 phases | 1 |
| 4-6 phases | 0.8 | |
| 7-9 phases | 0.7 | |
| >10 phases | 0.6 |
Dimensions
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