Overview
The Littelfuse KLC70 600V 70A fuse is a heavy-duty overcurrent protection device for industrial, commercial, and utility power systems. With a 600V voltage rating and 70A current rating, it provides dependable protection against short circuits and thermal overloads in branch circuits and service equipment. The cartridge-blade design integrates seamlessly into standard fuse holders and disconnect switches.
Key Features
- Voltage Rating: 600V AC
- Current Rating: 70A
- Industrial-grade cartridge-blade construction
- Reliable short-circuit and overload protection
- UL and CSA certified for North American compliance
- Compatible with standard Class J and general-purpose fuse holders
Technical Specifications
- Voltage Rating: 600V AC
- Amperage Rating: 70A
- Construction Type: Cartridge (knife-blade style)
- Operating Temperature Range: −40°C to +60°C
- UL Listed: Yes (File No. E81895)
- CSA Certified: Yes (File No. 1422-02)
- RoHS Compliant: Yes
- Interrupting Rating: 200 kA (typical for Class J)
Typical Applications
- Industrial machinery and equipment branch circuits
- Commercial HVAC systems and motor circuits
- Service entrance and main feeder protection
- General-purpose industrial power distribution
- Equipment replacement in existing systems
- Electrical panel upgrades and maintenance
Compatibility & Replacements
Compatible With
- Class J fuse holders and disconnect switches
- General-purpose electrical panels (600V rated)
- Industrial power distribution equipment
- Standard utility and industrial switch gear
- Motor control centers and branch circuits
Replaces / Drop-In Replacement For
The Littelfuse KLC70 directly replaces other 70A, 600V cartridge fuses in equivalent classes. Verify compatibility with your system integrator before ordering to ensure proper fuse class and interrupting rating match your circuit protection requirements.
Works With
- UL-listed and CSA-certified fuse holders
- Industrial disconnect switches rated 600V AC
- Standard cartridge fuse blocks and carriers
- Motor starter and control equipment
- Utility and commercial power distribution systems
