D221309 Ferraz Shawmut - Fuse
D221309 Description
Rated at 1500 V and 250 A, the Mersen D221309 is a semiconductor fuse. Its job is to clear faults fast enough to save expensive semiconductors in drives, UPS units and DC supplies.
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Summary of Features
Mersen (Ferraz Shawmut) D221309 is a Protistor PSC aR square body semiconductor fuse, size 91, 250 A, 1500 VAC, German blades DIN 140, D14A type (catalog number PC91UH15C250D4A).
Target Applications
Ferraz Shawmut D221309 is used for protection of SCRs, diodes, thyristors, GTOs and IGBTs in rectifiers, inverters, DC drives, UPS systems, reduced voltage motor starters and other power conversion equipment up to 1500 VAC.
Key Specifications
Mersen (Ferraz Shawmut) D221309 is a Protistor PSC aR square body semiconductor fuse, size 91, 250 A, 1500 VAC, German blades DIN 140, D14A type (catalog number PC91UH15C250D4A). Source: Mersen (Ferraz Shawmut) Protistor PSC aR sizes 9x 1500 VAC square body fuses catalog (SCAC146-157).
| Parameter | Value |
|---|---|
| Catalog number | PC91UH15C250D4A |
| Reference number | D221309 |
| Designation | 15 URH 91 D14A 0250 |
| Rated voltage | 1500 VAC (DC: consult Mersen) |
| Rated current | 250 A |
| Characteristic | aR, size 91 |
| Terminals | German blades DIN 140, D14A type |
| Breaking capacity | 200 kA at 1500 V |
| Maximum I²t at 1500 V | 246 kA²s |
| Power losses at 0.8 In / In | 25 W / 47 W |
| Trip indicator | Low voltage trip indicator; field-mountable microswitch MC 3E / MCR 3E / MC2R 3E (ordered separately) |
| Standard | Tested to IEC 60269-4 at Un +10% |
| Note | D14A types are made to order (marked * in the catalog) |
Technical document (PDF) | Request a quote for D221309 (reply within 24 hours)

