Littelfuse JLS200 Class J Fuse – 200A – 600V Fast-Acting Current-Limiting Fuse

The Littelfuse JLS200 is a 200 Amp Class J fast-acting fuse designed to provide superior circuit protection in industrial and commercial electrical distribution systems. Part of the JLS series, this current-limiting fuse delivers rapid fault interruption to reduce let-through energy and protect equipment from damaging short-circuit currents. Its compact knife-blade construction allows for efficient installation while providing high interrupting capacity and reliable performance.

Electrical Rating

• Current Rating: 200 Amps
• Maximum AC Voltage: 600 VAC
• Interrupting Rating: 200 kA @ 600 VAC

Key Specifications

• Manufacturer: Littelfuse
• Catalog Number: JLS200
• Series: JLS
• Fuse Class: Class J
• Construction Type: Knife-Blade
• Fuse Type: Fast-Acting Current-Limiting
• Indicating: No

Protection Characteristics

• Fast-acting operation for rapid fault clearing
• Current-limiting design minimizes let-through current and fault energy
• Provides exceptional short-circuit protection
• High interrupting capacity for demanding industrial power systems
• Helps protect sensitive electrical and electronic equipment from fault-related damage

Construction Features

• Compact Class J fuse design
• Knife-blade terminal construction
• Non-indicating fuse configuration
• Industrial-duty construction for dependable long-term operation

Mounting & Compatibility

• Mounting Method: Fuse Block / Holder
• Compatible with standard Class J fuse holders and fuse blocks
• Suitable for switchboards, panelboards, motor control centers, and industrial distribution equipment

Applications

• Industrial power distribution systems
• Switchboards and panelboards
• Motor control centers
• Branch and feeder circuit protection
• Industrial machinery and equipment protection
• Current-limiting circuit protection applications

Product Data

• Manufacturer: Littelfuse
• Catalog Number: JLS200
• Product Type: Fast-Acting Current-Limiting Fuse
• Series: JLS
• Fuse Class: Class J

Returns are easy

You may return items within 30 days of delivery for a refund.

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