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170M4951 Eaton Bussmann 1000V 160A Class aR Semiconductor Fuse
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Eaton Bussmann 170M4951 — 1000V 160A Class aR semiconductor fuse, 125 kAIC interrupting. Protects semiconductors in drives, rectifiers and inverters.
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170M4951 Eaton Bussmann 1000V 160A Class aR Semiconductor Fuse
At a Glance
- 1000 V (IEC) rated voltage, 160 A rated current
- 125 kAIC interrupting rating
- Class aR time-current characteristic
- Centre fuse status indicator
The Eaton Bussmann 170M4951 is a semiconductor fuse with 1000 V (IEC) rated voltage, 160 A rated current, 125 kAIC interrupting capacity, carrying a Class aR time-current characteristic. Construction is centre fuse status indicator.
Specifications
Especificaciones generales
| EAN | 5027590454971 |
| UPC | 051712679435 |
| Product Length/Depth | 73 mm |
| Product Height | 52 mm |
| Product Width | 170 mm |
| Product Weight | 576 g |
| Model Code | FUSE 160A 1000V 1BKN/75 AR |
Datos eléctricos
| Amperage Rating | 160 A |
| Class | Class aR |
| Clearing (I2T) | 13500 at 1000 V |
| Interrupt rating | 125 kAIC |
| Pre arc (I2T) | 2200 |
| Voltage rating | 1000 V (IEC) |
| Watt losses | 40 W |
Especificaciones del producto
| Application | Semiconductor, DC Common bus, DC drives, power converters/rectifiers |
| Fitted with: | Type K Indicator for micro |
| Fuse indicator | Centre fuse status indicator |
| Fuse size | 1 |
| Fuse type | Flush end BKN/Type K Indicator for Micro |
Series Selection Table
Applications
- Energy and utility distribution
- Industrial equipment
- Photovoltaic systems
Selection Notes
- Semiconductor fuses are chosen on I²t let-through against the device surge rating, not on continuous current alone.
Common Questions
What are the ratings of the Eaton Bussmann 170M4951?
1000 V (IEC) / 160 A, with a 125 kAIC interrupting rating.
How much fault current can the 170M4951 interrupt?
125 kAIC. The available fault current at the installation point must not exceed this value.
What does Class aR mean for the 170M4951?
Class aR defines the fuse's time-current characteristic. E-rated fuses carry a defined melting curve so they coordinate predictably with upstream and downstream devices; mixing E and non-E ratings in one feeder defeats that coordination.
How should I select the 170M4951 for a circuit?
Match the voltage rating to the system voltage, keep the continuous current above the load current, and check that the interrupting rating exceeds the available fault current. In medium voltage work, select on the transformer or feeder fault level rather than the load current alone.
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