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SIBA

For more than 75 years, SIBA has been a global leader in circuit protection technology, specializing in high-speed semiconductor fuses, photovoltaic fuses, and medium- to high-voltage protection systems. From solar power and wind energy to energy storage systems (ESS) and industrial automation, SIBA delivers precision-engineered solutions trusted worldwide. With extensive research and patented designs such as the SSK® thermal sensor fuse, SIBA combines innovation, reliability, and sustainability to meet the highest global safety and performance standards. Access SIBA’s genuine products through IBS Electronics.


SIBA’s product line includes Ultra-Rapid® semiconductor fuses (aR, gR, gRL, gS) rated from 24VDC up to 5200VDC, offering unmatched speed and breaking capacity for sensitive electronic components and power semiconductors. These fuses provide superior protection for converters, inverters, thyristors, and rectifiers in renewable and industrial systems. SIBA’s ESS-rated fuses (400–1600VDC) protect lithium-ion and flow battery systems, while photovoltaic fuses up to 1500VDC ensure reliable solar circuit protection. Medium and high-voltage fuses (ANSI/IEC) safeguard transformers, switchgear, and substations. With options for miniature, PCB-mount, SMD, and axial lead fuses, SIBA covers the full range of electronic and industrial protection needs.


SIBA fuses are designed for critical industries — from renewable energy and transportation to heavy equipment and automation — offering benefits such as extended operational life, high breaking capacity, global certification (UL, IEC, RoHS), and low power dissipation. With decades of engineering excellence, SIBA continues to set industry standards in fuse design, ensuring dependable protection, safety, and performance. Authentic SIBA products are available through IBS Electronics for seamless integration into power and control systems worldwide.


SIBA Product Highlights


Series / Product LineSpecsBenefitsApplicationsKey Products
Ultra-Rapid® Series (Semiconductor Fuses)24VDC–5200VDC, aR/gR/gS classesExtremely fast acting, low I²t, high breaking capacityInverters, converters, drives, rectifiers189020.16
20 034 28.400
20 209 13.125
20-028-20-.125
ESS Fuse Series (Energy Storage Fuses)400VDC–1600VDC, UL listedHigh breaking capacity, designed for cyclic loadingLithium-ion batteries, flow batteries, fuel cellsSQB1 160A 1500VDC
7008913.05
7012540.10AK
Photovoltaic (PV) FusesUp to 1500VDC, UL & IEC certifiedReliable solar protection, low L/R ratioSolar combiner boxes, PV strings, inverters5805806
5021528.5
2000513.63
SMD & Miniature FusesPCB mount, 250V–1000V AC/DCCompact footprint, high precision, RoHS compliantPCB assemblies, control boards, multimeters2020920.16
2072532.55
2801114.SD
Medium/High Voltage FusesUp to 40.5kV AC, E-rated, ANSI/IECTransformer and switchgear protection, dry or oil useSubstations, wind turbines, distribution panels50 215 26
20 209 13.125
SSK® Fuses (Switch Disconnect Fuses)3.6–36kV, patented thermal sensorMonitors temperature, increases safety, dry or oil operationWind, solar, and compact substations7008913.05
7012540.10AK
HHD Fuses (Heavy Duty High Voltage)Up to 40.5kV, high breaking capacityIdeal for harsh, high-load environmentsEnergy, industrial automation, utilities189020.16
20 034 28.400



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