Expertise Applied | Answers Delivered PRODUCT PORTFOLIO Fuses & Fuse Holders • Protection Relays Electronic Controls • Custom-Engineered Products

POWER FUSES, PROTECTION RELAYS & CONTROLS With over 85 years of experience, Littelfuse has developed products to protect electrical equipment used in mining, petrochem, marine, alternative energy, HVAC and industrial applications. We offer industry leading power fuses, protection relays and custom power centers as well as generator protection, controls and alarm panels. Now a part of Littelfuse, SymCom and SSAC bring a line of electronic products for monitoring, protecting and controlling motors, pumps, timing controls, and custom designs. Our expanded electrical products portfolio allows us...

FUSES & FUSE HOLDERS UL Class Fuses High-Speed Fuses Littelfuse manufactures a complete selection of UL Class fuses for protecting electrical systems and personnel. Innovative features such as indication improve productivity while enhancing the safety of systems. Littelfuse high-speed fuses protect critical power semiconductors against short circuits in applications including inverters, variable-speed drives, UPS and DC drive systems. Medium Voltage Fuses E-rated and R-rated medium voltage fuses from Littelfuse protect transformers, potential transformers, feeders and motor circuits. Designs...

PROTECTION RELAYS & CONTROLS Motor & Feeder Protection Relays Ground-Fault Protection Relays Prevent expensive damage to motors caused by overloads, jams, phase loss or unbalance, heat, heavy start-ups or excessive operational cycles. Littelfuse.com/MotorProtection Sensitive ground-fault relays with advanced filtering will detect the breakdown of insulation resistance caused by moisture, vibration, chemicals and dust, early and reliably. Arc-Flash Protection Relays Industrial Shock-Block™ GFCI Our Arc-Flash relays can rapidly detect developing Arc-Flash incidents and send a trip signal to interrupt...

MINIMIZE ELECTRICAL HAZARDS IMPROVE SAFETY & PRODUCTIVITY

Local Resources for a GLOBAL Market Littelfuse products help protect electrical equipment used in marine, mining, petrochem and general industrial applications. We offer a broad and reliable selection of fuses, fuse blocks, protection relays and generator controls to improve safety and reduce downtime. Rapid City Chicago Champaign Piedras Negras Muzquiz For decades, we have helped OEMs, electrical installers, design engineers and end-users select the right product for their applications. Today, Littelfuse offers a broader range of products addressing protection and control needs while still providing...