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NO.663-R Eaton Bussmann 600V 60A Class R Fuse
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Eaton Bussmann NO.663-R — 600V 60A Class R fuse.
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NO.663-R Eaton Bussmann 600V 60A Class R Fuse
At a Glance
- 600 V rated voltage, 60 A rated current
- Class R time-current characteristic
The Eaton Bussmann NO.663-R is a fuse with 600 V rated voltage, 60 A rated current, carrying a Class R time-current characteristic.
Specifications
General specifications
| UPC | 051712613736 |
| Product Length/Depth | 2.6 in |
| Product Height | 1.4 in |
| Product Width | 1.8 in |
| Product Weight | 0.1 lb |
Electrical rating
| Amperage Rating | 60 A |
| Voltage rating | 600 V |
Physical details
| Type | Fuse reducer |
General information
| Class | Class R |
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 NO.663-R?
600 V / 60 A.
What does Class R mean for the NO.663-R?
Class R 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 NO.663-R 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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