Cutler-Hammer CP4HD - 30A, 240V, Fusible Bus Plug

Meet the Cutler-Hammer CP4HD Fusible Bus Plug—the dependable, in-line protection you need for demanding industrial and commercial power layouts. Designed for reliable distribution in harsh environments, this 30A, 240V fusible bus plug is purpose-built to plug into busway and panelboard systems, delivering precise overcurrent protection right at the source.

Key specifications at a glance

• Brand: Cutler-Hammer
• Model: CP4HD
• Type: Fusible Bus Plug
• Amperage: 30A
• Voltage: 240V
• Application: Busway and panelboard power distribution systems

What makes the CP4HD stand out

This fusible bus plug is engineered for performance in real-world production environments—from manufacturing floors to busy commercial facilities. It provides localized protection directly where loads connect, helping to limit fault energy, simplify fault isolation, and support faster restoration after an outage. The CP4HD is especially valuable in retrofit projects and upgrade initiatives where compatible, hard-to-find busplugs are essential to maintain or expand existing distribution schemes.

Ideal use cases

• Industrial plants undergoing capacity upgrades or equipment modernization
• Commercial facilities implementing targeted protection points in busway networks
• Process equipment installations requiring compact, reliable overcurrent protection
• Retrofit projects where existing CP4HD-compatible bus plugs are needed to maintain system integrity

Why choose this fusible bus plug

• Provides clear, localized fusing to safeguard feeders and connected loads.
• Compatibility by design: Engineered to integrate with busway and panelboard distributions commonly deployed in industrial and commercial sites.
• Reliability you can count on: Built for the realities of demanding environments, reducing unplanned downtime and speeding maintenance.
• Inventory-friendly for upgrades: A practical choice for maintenance teams and retrofit projects that require specific, hard-to-find busplugs.

Practical installation and maintenance guidance

When deploying the CP4HD, confirm that your system’s voltage and current ratings align with 240V and 30A specifications. Use as part of a well-planned protection strategy in busway or panelboard configurations, and keep a few spare units on hand for rapid replacement during scheduled maintenance or unexpected faults. Regular inspection of bus plugs and associated fuses helps ensure continued protection and minimizes downtime when maintenance is needed.