Ferraz Shawmut FR14UB69V20T H078046 Semiconductor Fuse, 20 A, Trip Indicator
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Ferraz Shawmut FR14UB69V20T is a Protistor 14 x 51 ferrule semiconductor fuse with trip-indicator, identified with reference number H078046 and designation 6.921 CP URGB 14.51/20. It is rated 20 A, aR class, with 200 kA tested breaking capacity at 690 V and a minimum trip-indicator operating voltage of 20 V.
| Brand | Ferraz Shawmut |
| Catalog Number | FR14UB69V20T |
| Reference Number | H078046 |
| Designation | 6.921 CP URGB 14.51/20 |
| Fuse Type | Protistor ferrule semiconductor fuse |
| Body Size | 14 x 51 mm |
| Current Rating | 20 A |
| Voltage Rating | 690 VAC; operating voltage limited to 600 V for model with blown fuse trip-indicator |
| Class | aR |
| Standards Reference | IEC 60269.1 and IEC 60269.4; VDE 636-23 |
| Tested Breaking Capacity | 200 kA at 690 V |
| Pre-arcing I²t at 1 ms | 30.0 A²s |
| Total Clearing I²t at 660 V | 175 A²s at Ip ≤ 30 IN; 145 A²s at Ip > 30 IN |
| Watts Loss | 4.0 W at 0.8 IN; 7.4 W at IN |
| Trip Indicator | With trip-indicator; minimum operating voltage 20 V |
| Weight | 18 g |
This fuse is typically used for protection of power semiconductors in AC power electronics, drive systems, converter assemblies, and industrial circuit protection applications requiring aR class high breaking capacity fuse protection with trip-indicator functionality.
Apexon Supply supports B2B sourcing, replacement review, and technical alignment for Ferraz Shawmut FR14UB69V20T H078046 semiconductor fuses. Buyers should verify current rating, voltage rating, fuse class, body size, trip-indicator requirements, reference number, and equipment requirements before replacement.
Send the MPN FR14UB69V20T, reference number H078046, required quantity, and application requirements to request RFQ support. Most qualified RFQs receive a response or quote within 12 hours.
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