Product Description
The JKS-30 is a single-element, fast-acting Class J fuse engineered for rapid short-circuit interruption in low-voltage industrial systems. It is part of the Eaton Bussmann Limitron® JKS series, widely used for protecting transformers, switchboards, panelboards, and control equipment where fast fault clearing and high interrupting capacity are required.
Its rejection-style Class J design ensures safe installation in compatible fuse holders, preventing incorrect fuse substitution while maintaining reliable protection performance.
Key Features
• Fast-acting Limitron® Class J fuse
• High current-limiting protection for short circuits
• Rated current: 30A
• Rated voltage: 600VAC
• High interrupting capacity up to 200kA RMS symmetrical
• Single-element design for very fast fault response
• Compact rejection-style construction
• Low let-through energy to protect downstream equipment
• Suitable for industrial and commercial power distribution systems
• Compatible with Class J fuse holders
• UL Listed, CSA Certified, and CE compliant
• Ideal for switchboards, transformers, panelboards, and industrial control systems
Specifications
• Product Type: Fast-Acting Class J Fuse
• Model: JKS-30
• Series: Eaton Bussmann Limitron® JKS
• Rated Current: 30A
• Rated Voltage: 600VAC
• Interrupting Rating: 200kA RMS Symmetrical
• Fuse Class: Class J
• Response Characteristic: Fast-acting, current-limiting
• Construction: Melamine/ceramic body with ferrule end terminals
• Mounting Type: Class J fuse holder (rejection type)
• Standards: UL 248-8, CSA Certified, CE compliant
• Applications: Power distribution panels, switchboards, transformers, machinery disconnects, industrial control panels, and general branch circuit protection

