Bussmann KRP-C Class L Current-Limiting Time-Delay Fuse 1200A 600Vac Low Peak

Bussmann KRP-C Class L Current-Limiting Time-Delay Fuse 1200A 600Vac Low Peak

Professional Class L current-limiting protection for high-amperage applications

The Bussmann KRP-C Class L current-limiting time-delay fuse delivers reliable overcurrent protection with 1200A rating and 600Vac/300Vdc voltage capability. Engineered with low peak current-limiting technology and bolted blade end connections, this professional-grade fuse provides superior protection for large distribution switchboards, machinery disconnects, and power panelboards with 300 kAIC interrupt rating at 600Vac.

Professional Features & Benefits

• 1200A Amperage Rating: High-capacity protection suitable for demanding industrial and commercial electrical systems requiring substantial current handling.
• Class L Current-Limiting Design: Advanced current-limiting technology reduces let-through energy and minimizes damage to downstream equipment during fault conditions.
• Time-Delay Response: 4-second response time at 500% provides selective coordination and prevents nuisance tripping during normal startup conditions.
• 300 kAIC Interrupt Rating: Exceptional fault current interruption capability at 600Vac ensures reliable protection in high-fault current environments.
• Dual Voltage Rating: 600Vac/300Vdc compatibility provides versatility for both AC and DC applications in diverse electrical systems.
• Bolted Blade End Connections: Secure mechanical connection system ensures reliable electrical contact and simplified installation in compatible switchgear.
• Compact Design: 2.78" x 2.78" x 1.75" dimensions optimize space utilization while maintaining robust 4.15 lb construction for durability.

Technical Specifications

• Amperage Rating: 1200A
• Application: Large distribution switchboards, large machinery disconnects, power panelboards
• Class: Class L
• Connection: Bolted blade end X bolted blade end
• Fuse Indicator: Non Indicating
• Interrupt Rating: 300 kAIC at 600 Vac, 100 kAIC Vdc
• Packaging Type: Standard
• Product Diameter: 2.5 IN
• Product Height: 1.75 IN
• Product Length: 2.78 IN
• Product Type: Current-limiting, Time-delay
• Product Weight: 4.15 LB
• Product Width: 2.78 IN
• Response Time: 4 S at 500%
• Voltage Rating: 600 Vac, 300 Vdc

Installation & Operation

1. Mount the unit in a suitable location with appropriate clearance and access for connections and service.
2. Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
3. Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
4. Configure any available load management or control features as supported by the provided specifications.
5. Test automatic transfer or operational functionality and verify proper performance before placing into service.
6. Complete final inspection and follow ongoing maintenance practices appropriate to the product category.

Professional Applications

• Large Distribution Switchboards requiring high-amperage overcurrent protection
• Industrial Machinery Disconnects with substantial power requirements
• Commercial Power Panelboards in high-demand electrical systems
• Manufacturing Facilities with heavy electrical loads
• Data Centers requiring reliable power distribution protection
• Healthcare Facilities with critical power infrastructure
• Educational Institutions with comprehensive electrical systems

Why Choose Bussmann Quality?

Bussmann delivers proven reliability through professional-grade Class L current-limiting technology and robust construction. The non-indicating design with bolted blade end connections ensures dependable performance in demanding applications, while the 300 kAIC interrupt rating provides confidence in high-fault current environments for long-term electrical system protection.