Eaton Cutler-Hammer KPRL4ED Circuit Breaker | AmpState

Meet the Eaton Cutler-Hammer KPRL4ED Circuit Breaker — a dependable, OEM-aligned device designed to deliver precise overcurrent protection in panelboards, load centers, and electrical distribution systems. Perfect for replacement projects and stocking spares, it helps you keep your bill of materials (BOM) aligned to the original part number while maintaining reliable protection across critical circuits.

Why choose the KPRL4ED for your electrical distribution system

• OEM-aligned compatibility: Engineered to match Eaton’s original part numbers, ensuring a seamless fit in compatible panelboards and distribution equipment.
• Efficient replacement workflow: Optimized for mid-life replacements where downtime matters — swap in the KPRL4ED without reconfiguring wiring or bus connections.
• Strategic spares for BOM integrity: Keep a spare on hand to preserve BOM consistency with the original design, simplifying maintenance planning and procurement.
• AmpState support for fit verification: If you’re unsure about the exact fit, message us with the part number or panel details and we’ll help you confirm compatibility.

What you get with the KPRL4ED

• Manufacturer: Eaton Cutler-Hammer
• Part Number: KPRL4ED
• Product Type: Circuit Breaker
• Availability: Ready to ship from AmpState

This circuit breaker is engineered for reliable performance in electrical distribution networks, helping protect circuits from overloads and short circuits while supporting maximum system uptime. Its suitability for replacement projects and BOM-conscious stocking makes it a practical choice for facilities and service teams that value precise part matching and quick, accurate repairs.

Who benefits most

• Facilities managers and maintenance teams maintaining panelboards and load centers
• Electrical distributors stocking OEM-aligned spares
• Contractors performing replacement work that requires exact part matching

Practical tips to maximize value

• Keep the KPRL4ED as a BOM-aligned spare to simplify procurement and reduce compatibility questions during service calls.
• If you’re unsure about fit, contact AmpState with your panel model and current breaker details to verify exact compatibility before purchasing.
• Store spares in a labeled, accessible location to minimize downtime during urgent electrical repairs.