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Products in this family are used for over-current fault protection, and function on the basis of current flow in excess of a desired maximum causing the destruction of a conductive element within the device. They are distinguished from common fuses by one of several factors; bearing a non-supplementary classification under the UL248 standard, certification for use in hazardous or explosive environments, or a form factor other than those commonly encountered in products used for supplementary equipment protection such as those with an indication function or fusible cable links, and fuses designated for specific applications such as protection of telecommunications circuits or multimeters.
| Select products | Mfr | Description | Package | Supplier Device Package | Mounting Type | Series | Operating Temperature |
|---|---|---|---|---|---|---|---|
![]() 170M7399 $817.19 | Eaton - Bussmann Electrical Division | FUSE 250A 800VACGR SZ2 DUA IND | Bulk | Requires Holder | 170M | - | |
![]() 170M7399-B $865.35 | Eaton - Bussmann Electrical Division | FUSE 250A 800V AC gR SIZE2 BOLTE | Bulk | Bolt Mount | 170M | - | |
![]() 170M7400 $1,001.13 | Eaton - Bussmann Electrical Division | FUSE 315A 800VACgRSIZE3 DUALIND | Bulk | Requires Holder | 170M | - | |
![]() 170M7400-B $950.37 | Eaton - Bussmann Electrical Division | FUSE 315A 800V AC gR SIZE3 BOLTE | Bulk | Bolt Mount | 170M | - | |
![]() 170M7401 $1,019.68 | Eaton - Bussmann Electrical Division | FUSE355A 800VACGR SZ3 DUA IND | Bulk | Requires Holder | - | - | |
![]() 170M7401-B $968.00 | Eaton - Bussmann Electrical Division | FUSE 355A 800V AC gR SIZE3 BOLTE | Bulk | Bolt Mount | 170M | - | |
![]() 170M7402 $1,128.20 | Eaton - Bussmann Electrical Division | FUSE400A 800VACGR SZ3 DUA IND | Bulk | Requires Holder | - | - | |
![]() 170M7402-B $1,210.37 | Eaton - Bussmann Electrical Division | FUSE 400A 800V AC gR SIZE3 BOLTE | Bulk | Bolt Mount | 170M | - |

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