Under oil fuse GE Fuses

9F59 "T, W & V" series Under Oil (OSP)

Backup current-limiting fuses are designed to be used in series with another protective device (such as an expulsion fuse) to give protection through the complete range. OSP stands for Oil Submerged Protector. These fuses are sealed against the ingress of oil. Each fuse is given a helium mass spectrometer leak test to prove the integrity of the seal.

Features and Benefits:

Complete oil-submergibility
Prevents violent transformer failure from high-fault currents
Proven field performance
100% factory-tested for hermetic seal
Designed and tested for expected transformer duty cycles

Product Scope:

From 8.3 to 23kV
From 40 to 300A

More specifications...