MC3E1-5NBS Ferraz Shawmut - Fuse Accessory
MC3E1-5NBS Description
Mersen makes the MC3E1-5NBS, a blown-fuse microswitch (fuse accessory). Its job is to clear faults fast enough to save expensive semiconductors in drives, UPS units and DC supplies.
USComponent has sourced power semiconductors for maintenance teams and OEMs since 2001. For price and availability of the MC3E1-5NBS, send us a request for quote. Please confirm the specifications against the manufacturer's datasheet before purchase.
Summary of Features
Mersen (Ferraz Shawmut) MC3E1-5NBS is a MC3E 1-5NBS microswitch for Protistor square body fuses: 1 circuit NO-NC, low level, insulation voltage up to 1250 V AC/DC (reference number E310021).
Target Applications
Ferraz Shawmut MC3E1-5NBS is used for remote blown-fuse signaling for Mersen Protistor square body semiconductor fuses in power conversion equipment.
Key Specifications
Mersen (Ferraz Shawmut) MC3E1-5NBS is a MC3E 1-5NBS microswitch for Protistor square body fuses: 1 circuit NO-NC, low level, insulation voltage up to 1250 V AC/DC (reference number E310021). Source: Mersen (Ferraz Shawmut) Protistor PSC aR sizes 9x 1500 VAC square body fuses catalog (SCAC146-157).
| Parameter | Value |
|---|---|
| Product type | Blown-fuse microswitch (fuse accessory) |
| Catalog number | MC3E1-5NBS |
| Reference number | E310021 |
| Designation | MC3E 1-5NBS |
| Circuits / contacts | 1 circuit NO-NC, low level |
| Insulation voltage | 1250 V AC/DC |
| Reset | Hand resettable |
| Contacts | Silver-plated 3-terminal microswitch C, NO, NC; 6.35 mm quick connect |
| Weight | 39.5 g |
Technical document (PDF) | Request a quote for MC3E1-5NBS (reply within 24 hours)

