Ferraz
Shawmut is the specialist for the interruption of faults under DC
conditions. Protect DC circuits is not easy and requires expert
knowledge. Protistor® DC fuses (ferrule style as well as square body)
are very popular in the traction and drives for DC motors markets.
Testing is one key factor in the DC protection. Our DC Protistor® fuses
line is supported by our high-power test labs capabilities.
Protistor® DC Fuses :
# DC Ferrule Fuses
* 14x51, 22x58, 27x60
gLB - 440Vdc
* 27x60
gRB - 660Vdc
* 20x127
gR - 1000Vdc
gR - 1500Vdc
* 36x127
gR - 1000Vdc
* 20x190
gR - 1500Vdc
* 36x190
gR - 1500Vdc
* 36x250
gR - 2000Vdc
* 36x400
gR - 4000Vdc
# DC Square-body Fuses
* Sizes 120 to 123
gR 750Vdc
* Sizes 2x122 - 2x123
gR 750Vdc
* Sizes 70 - 72 - 2x72
SR 1200Vdc
* Sizes 120 - 122 - 2x122
SR 2000Vdc
* Sizes 300 - 302 - 2x302
gR Brackets Size 300 - 1750V to 2000Vdc
gR Blades Size 300 - 1750V to 2000Vdc
gR Brackets Size 302 - 2000Vdc
gR Brackets Size 2x302 - 2000Vdc
SR Brackets Size 300 - 2400Vdc
SR Brackets Size 302 - 2400Vdc
SR Brackets Size 2x302 - 2400Vdc
* Sizes 600 - 602 - 2x602
gR Brackets Size 600 - 3500V to 4000Vdc
gR Blades Size 600 - 3500V to 4000Vdc
gR Brackets Size 602 - 4000Vdc
gR Brackets Size 2x602 - 4000Vdc
SR Brackets Size 600 - 3500V to 4000Vdc
SR Blades Size 600 - 4200Vdc
SR Brackets 602 - 4200Vdc
SR Brackets Size 2x602 - 4200Vdc
* Microswitches & Metric Studs
Microswithes for Other Protistor®
Metric-Studs
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Global data file 
All Ferraz Shawmut ranges :
- General Purpose UL Fuses | General Purpose IEC Fuses | Miniature Fuses | Semiconductor (AC) Fuses | Protistor® DC Fuses | Medium Voltage Fuses | Special Purpose Fuses | Gear & FuseGear | Switches