Emerson JBKB - Class J Fuse 600V 200-600A (200kA Interrupt Rating)

Emerson JBKB is a high-performance current-limiting fuse designed for robust circuit protection in industrial power distribution systems. It features a 600V AC voltage rating and current ratings up to 600A, with a compact cylindrical design constructed from durable ceramic housing and silver-element construction for reliable fault interruption. The fuse meets UL 248-12 standards and is CSA certified for safety compliance in demanding environments. Typical applications include motor control centers, transformers, and heavy industrial equipment requiring precise overcurrent protection.

Key Features & Specifications

• Type: Current-limiting Class J fuse with ceramic body and silver-element construction
• Voltage Rating: 600V AC
• Current Rating: 200A-600A (interrupting rating 200kA)
• Dimensions: 3.5" length x 1.5" diameter
• Standards: UL 248-12, CSA certified
• Applications: Industrial power distribution, MCCs, transformer protection
• Fuse Class: J
• Interrupt Rating: 200kA RMS symmetrical
• Temperature Rating: -40°C to +100°C
• Mounting: Bolt-on terminal connection
• Enclosure: Ceramic with arc-quenching filler

Product Identification

• UPC: 781381464703