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170M3954 Eaton Bussmann 700V 100A Class aR High Speed Fuse
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Eaton Bussmann 170M3954 — 700V 100A Class aR high speed fuse. Protects semiconductors in drives, rectifiers and inverters.
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170M3954 Eaton Bussmann 700V 100A Class aR High Speed Fuse
At a Glance
- 700 V (UL), 690 V (IEC) rated voltage, 100 A rated current
- Class aR time-current characteristic
The Eaton Bussmann 170M3954 is a square body fuse with 700 V (UL), 690 V (IEC) rated voltage, 100 A rated current, carrying a Class aR time-current characteristic.
Specifications
General specifications
| UPC | 051712678797 |
| EAN | 5027590450584 |
| Product Length/Depth | 61 mm |
| Product Height | 72.5 mm |
| Product Width | 43 mm |
| Product Weight | 956 g |
Electrical data
| Amperage Rating | 100 A |
| Voltage rating | 700 V (UL), 690 V (IEC) |
| Voltage type | AC |
| Clearing (I2T) | 5100 at 1000 V |
| Pre arc (I2T) | 860 |
| Watt losses | 35 W |
| Class | Class aR |
Product specification
| Fuse size | 1* |
| Fitted with: | Type K Indicator for micro |
Series Selection Table
Applications
- Industrial equipment
Selection Notes
- Check the voltage rating against the system voltage, and the interrupting rating against the available fault current, before specifying.
Common Questions
What are the ratings of the Eaton Bussmann 170M3954?
700 V (UL), 690 V (IEC) / 100 A.
What does Class aR mean for the 170M3954?
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 170M3954 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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