Mersen’s 690/700V PSC square body fuses provide maximum flexibility in equipment design and ultimate protection for today’s power conversion equipment. They are available in four different body sizes, each with more than seven worldwide acceptable mounting styles, offering broad design flexibility. These fuses are engineered to provide state-of-the-art protection for SCRs, diodes, thyristors, GTOs, and IGBT devices, with die-cut elements embedded in solidified sand to control arcing characteristics. All contact surfaces are silver plated and all hardware is non-magnetic.
The datasheet provides detailed information on the ratings and application data for these fuses, including total ampere rated body, melting ft, clearing 1t, watts loss rating, and voltage reference numbers. The fuses are available in a range of sizes, from 6.9 to 35 amps, and are suitable for a variety of applications, including protection of rectifiers, inverters, DC drives, UPS systems, and reduced voltage motor starters.
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Ratings and Application Data
The following table provides a summary of the ratings and application data for the 690/700V PSC square body fuses:
{| class=”table”
|+ Table 1: Ratings and Application Data
|-
| Ratings || Application Data
|-
| Total Ampere Rated Body || 6.9 to 35 amps
|-
| Melting Ft || varies depending on size
|-
| Clearing 1t || varies depending on size
|-
| Watts Loss Rating || varies depending on size
|-
| Voltage Reference Number || varies depending on size
|}
Mounting Types
The fuses are available in a variety of mounting types, including:
* American mount: straight-blade, short straight blade, tapped one hole (American)
* European/IEC mount: DIN 80, DIN 110, tapped one hole (metric), French blade
* French mount: EF-type
Dimensions
The following table provides the dimensions for the 690/700V PSC square body fuses:
{| class=”table”
|+ Table 2: Dimensions
|-
| Body Size || Dimensions
|-
| PC || 10.5mm to 134.6mm
|-
| DIN 80 || 10.5mm to 110mm
|-
| DIN 110 || 12.5mm to 134.6mm
|-
| EF-type || 76.6mm to 153mm
|}
Manual:
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