SIBA
Fuses & Circuit Protection, HV & Medium Voltage
About SIBA
Circuit protection you can rely on.
SIBA manufactures a complete range of fuse protection devices — from high and medium voltage and semiconductor fuses to ULTRA RAPID®, standard European, miniature, and electronic types, with DC ratings from 24V to 5kVDC — protecting the most demanding power systems.
- High and medium voltage fuses
- Semiconductor and ULTRA RAPID® fuses
- DC rated 24V to 5kVDC
- Transformers, switchgear, traction, drives & inverters

Product Lines

Low-Voltage NH Fuses
NH000 to NH4a sizes, 400V to 1500V
Semiconductor Fuses
Ultra-Rapid® classes aR, gR, and gS
Medium & High Voltage Fuses
Transformer, motor & switchgear protection
DC-Rated Fuses
24VDC to 5200VDC applications
Fuse Switch Disconnectors
Combined switching and circuit protection
Connect with Us
Protecting a critical circuit? Our team will help you specify the right SIBA fuse.