Product line
Protistor® sizes 2x122 and 2x123 gR, 750VDC (IEC)

Mersen DC offers provide a very high performant protection for railway power and auxiliary circuits. Mersen DC Semiconductor fuse-links were developed to provide improved performance required by today's new DC equipment. These fuse-links are typically operated at more elevated temperature than other fuse type, have lower I²t to minimize damage to protected components on short circuits, lower watts loss and longer life.

Product line
Protistor® size 123 gR , 750VDC (IEC)

Mersen DC offers provide a very high performant protection for railway power and auxiliary circuits. Mersen DC Semiconductor fuse-links were developed to provide improved performance required by today's new DC equipment. These fuse-links are typically operated at more elevated temperature than other fuse type, have lower I²t to minimize damage to protected components on short circuits, lower watts loss and longer life.

Product
Q078191 - D123GB75V700EF

Square Body High-Speed Fuse Protistor® Size 123 gR 750VDC IEC 700A With Striker Open Slot Blades

Product
H220945 - D123GB75V750TF

Square Body High-Speed Fuse Protistor® Size 123 gR 750VDC IEC 750A With Striker Flush ends metric threads

Product
D090439 - D123GC75V500TF

Square Body High-Speed Fuse Protistor® Size 123 gR 750VDC IEC 500A With Striker Flush ends metric threads

Product
M089389 - D123GC75V500EF

Square Body High-Speed Fuse Protistor® Size 123 gR 750VDC IEC 500A With Striker Open Slot Blades

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