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Thumbnail Filmstrip of Fluke FUSE 440MA/1000VB1 Fuse, 440MA, 1000V, Fast Qty 1 Images
When an electrical short occurs while making a current measurement, the user relies upon the high-energy fuse in the test tool for protection. This 440 mA, 1000 V fuse is designed to keep the energy generated within the fuse enclosure, protecting the user from electric shock and burns. This fuse limits the length of time energy is applied and the amound of oxygen available for combustion.
The Fluke 440 mA 1000 V high-energy fuse is sand-filled which helps absorb the shock energy created by the current overload. It also controls the potential high temperatures generated (up to 10,000°F). The energy created from an electrical short will melt the sand, turning it to glass. This helps smother a potential fireball by quickly cutting off the available oxygen, further protecting the user.
| Models | P/N 203403 11A 1000 V | P/N 203411 440 mA 1000V | P/N 2279229 315 mA 1000V | P/N 4016494 440 mA fuse assembly |
| 107, 115, 117, 233 | ● | |||
| 175, 177, 179, 83V 87V, 287, 289. 27II, 28II, 88V, 77IV, 87V MAX | ● | ● | ||
| 3000 FC, 1577, 1587 FC BT508, BT510, BT521 | ● | |||
| 787, 787B, 789 | ● Qty 2 | |||
| 1503, 1507 | ● | |||
| 28II Ex | ● | ● |
| Manufacturer (aka Brand): | Fluke |
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