Cutler-Hammer CP4 - 30A, 240V, Fusible Bus Plug

The Cutler-Hammer CP4 Fusible Bus Plug is a purpose-built solution for reliable power distribution in demanding industrial and commercial environments. Rated at 30A and 240V, this CP4 bus plug integrates cleanly into busway and panelboard configurations, delivering targeted protection where it matters most and helping keep critical equipment energized with minimal downtime.

Why the CP4 Fusible Bus Plug stands out

• Precise electrical rating — 30A at 240V provides the right balance between protection and operational load for many feeder and branch circuits in industrial facilities.
• Fusible protection in a compact plug — built to interrupt faults on the distribution path, helping to isolate issues quickly and protect downstream gear without bulky add-ons.
• Retrofit-friendly and hard-to-find — designed for maintenance, repair, and upgrade projects where compatible busplugs are scarce, making it easier to modernize existing systems without a full panel or busway replacement.
• Direct fit for busway and panelboard ecosystems — engineered to harmonize with Cutler-Hammer distribution hardware, simplifying installation and system coherence.
• Industrial-grade robustness — built to withstand the demands of busy facilities, equipment rooms, and process lines while maintaining dependable performance.

Ideal applications and use cases

Typical deployments include industrial plants, commercial facilities, and process equipment lines where dependable fault isolation and straightforward upgrades are essential. Whether you're performing routine maintenance, planning a targeted upgrade, or stocking spare parts for critical distribution paths, the CP4 offers a practical, precise solution for keeping power flowing where it matters most.

Specifications at a glance

• Brand: Cutler-Hammer
• Model: CP4
• Type: Fusible Bus Plug
• Amperage: 30A
• Voltage Rating: 240V

Installation and compatibility tips

Ensure compatibility with your existing busway or panelboard system before installation. Use standard lockout/tagout procedures to safeguard personnel, and replace only with CP4 fusible bus plugs from Cutler-Hammer in compatible configurations. For retrofit projects, this unit provides a straightforward, file-ready upgrade path that aligns with common distribution architectures without requiring extensive rework.