Mersen Semiconductor Fuse: 400 A Amps, 500V AC, Bolt-On Body, 4-3/8 in L x 1-1/2 in dia Fuse Size
#938943-9 | Pkg Qty: 1
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Product Description
Fast-acting, nonindicating semiconductor fuses open within seconds of being exposed to overloads and short circuits. Also called fast-blow semiconductor fuses, they are highly sensitive to changes in current flow and don't tolerate temporary overload currents or power surges. They have no indicator for identifying a blown fuse, so they're sometimes used with an indicating fuse block or cover.
Semiconductor fuses provide overcurrent protection for solid-state components such diodes and thyristors in variable-speed drives, power rectifiers, uninterruptible power supplies (UPSs), and other power electronics applications. Also known as rectifier fuses, they are extremely current-limiting to prevent electrical damage by disconnecting circuits before they're exposed to the full magnitude and duration of an overcurrent.
| Name | Item | Description | |
|---|---|---|---|
 | Grainger Dropship | 6XPG7 | |
 | UNSPSC CODES | 39121612 | |
 | VMRS (ATA) CODES | 053-006-009 |
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