Bussmann JJS-100 Fast-Acting Current-Limiting Fuse

Description:

The Bussmann T-Tron JJS-100 is a Class T fast-acting current-limiting fuse designed to provide superior overcurrent and short-circuit protection for industrial electrical systems. Rated at 100 Amps and 600 VAC, it offers high interrupting capacity and compact dimensions, making it ideal for protecting motor control centers, panelboards, switchgear, and other critical electrical equipment. Maintenance personnel and electricians use the JJS-100 for replacement and new installations requiring Class T fuse protection.

Applications:

The Bussmann JJS-100 fuse is used in industrial control panels, distribution equipment, switchboards, transformers, motor circuits, and feeder protection. Its fast-acting design provides excellent current limitation to protect sensitive electrical equipment from catastrophic fault currents while minimizing equipment damage and downtime.

Technical Specifications:

• Manufacturer: Eaton Bussmann Series
• Manufacturer Part Number (MPN): JJS-100
• Product Type: Class T fast-acting fuse
• Series: T-Tron® JJS
• Function: Current-limiting overcurrent and short-circuit protection
• Current Rating: 100 A
• Voltage Rating: 600 VAC
• Fuse Class: Class T
• Fuse Type: Fast-acting
• Interrupt Rating: 200 kA RMS Symmetrical
• Body Style: Cartridge fuse
• Construction: Melamine tube with silver-plated copper terminals
• Standards: UL Listed, CSA Certified
• Compatible Equipment: Switchboards, panelboards, motor control centers, transformers, and industrial electrical equipment
• Operating Environment: Industrial electrical power distribution applications
• Application: Branch circuit and equipment protection
• Designed For: High interrupting capacity and rapid fault clearing in industrial electrical systems.

Common Replacements:

• Eaton Bussmann JJS-100 Class T Fuse
• Littelfuse JLLS100 Class T Fast-Acting Fuse (verify electrical specifications before replacement)
• Mersen A3T100 Class T Fast-Acting Fuse