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Fuse
| Product Length/Depth | 61 mm |
| Product Height | 72.5 mm |
| Product Width | 43 mm |
| Product Weight | 956 g |
| Product Diameter | 74 mm |
| Construction Size | 1 |
Semiconductor Protection, DC Common Bus, AC/DC Drives and more.
Eaton Bussmann series high speed square body fuse, designed and manufactured by Eaton Bussmann, rated for 250 A at 1000 V.
Key performance features include Class aR, 100 kA breaking capacity, non indicating, 55 W watt losses, I²t 57000 at 1000 V / pre-arc I²t 9550.
Typical applications include Semiconductor Protection, DC Common Bus, AC/DC Drives and more.
| General Information | |
|---|---|
| Product Name | Eaton Bussmann series high speed square body fuse |
| Catalog Number (MPN) | 170M3958 |
| UPC / EAN | 51712678834 |
| Product Type | Square Body flush-end contact BKN/- Type K indicator for microswitch |
| Voltage Type | AC |
| Packaging | Standard |
| Electrical Characteristics | |
|---|---|
| Rated Current | 250 A |
| Rated Voltage | 1000 V |
| Breaking Capacity | 100 kA |
| Interrupt Rating | 125 kAIC |
| Utilization Category | aR (accompanied semiconductor protection) |
| Class | Class aR |
| Indicator | Non Indicating |
| Mechanical & Physical | |
|---|---|
| Length / Depth | 61 mm |
| Height | 72.5 mm |
| Width | 43 mm |
| Diameter | 74 mm |
| Weight | 956 g |
| Construction Size | 1 |
| Connection Type | Flush-end contact |
| Mounting | Flush |
| Shape / Form Factor | Square Body size 1* to 3, flush-end contact |
| Clearing I²t | 57000 at 1000 V |
| Pre-Arc I²t | 9550 |
| Watt Losses | 55 W |
| Compliance & Approvals | |
|---|---|
| Certifications / Agency Approvals | CE |
Note: Specifications are taken from the official Eaton 170M3958 datasheet.
Official technical documentation for the 170M3958.
Typical applications of the 170M3958.
Other models in the Bussmann Square Body Fuses product series.
