Cutler Hammer HLD3400 - 400A, 3-Pole, Circuit Breaker

Engineered for industrial-grade reliability, the Cutler Hammer HLD3400 400A 3-Pole Circuit Breaker delivers essential overcurrent protection for demanding electrical installations. Designed for seamless integration in panelboards, switchboards, and control panels, this 3-Pole device safeguards three-phase systems with precision and ease.

What sets the HLD3400 apart

• Current rating: 400 A — robust protection for heavy-load feeders and motor circuits.
• Three-pole configuration — ideal for 3‑phase networks, simplifying wiring and coordination in distribution panels and MCCs.
• Industrial-grade reliability — built to withstand the rigors of commercial, industrial, and OEM environments where dependable protection matters.
• Versatile applicability — suitable for panelboards, switchboards, and control panels across equipment layouts and installations.
• Safe and decisive operation — fast-acting interruption helps minimize fault damage and protects connected equipment.

Where you’ll use it

Ideal for environments that rely on stable, accurate protection for three-phase systems. Use the Cutler Hammer HLD3400 in:

• Motor control centers (MCCs) and heavy machinery feeders
• Industrial panelboards and switchboards within manufacturing facilities
• OEM equipment enclosures requiring reliable overcurrent protection
• Commercial distribution panels where space and wiring efficiency matter

Why this matters for your operation

• Protects uptime by reliably interrupting faults before they cascade through critical power feeds.
• Simplifies system design with a clear 3‑pole arrangement that aligns with standard 3‑phase electrical layouts.
• Supports compliant safety practices by providing predictable, code-aligned protection in distribution and control schemes.
• Long-term value through durable construction and consistent performance in demanding environments.

Specs at a glance

• Current rating: 400 A
• Poles: 3-Pole
• Breaker type: Circuit Breaker
• Applications: Panelboards, Switchboards, Control Panels, MCCs

Choosing the Cutler Hammer HLD3400 means opting for a trusted protective block within your electrical distribution strategy. It’s designed to deliver dependable overcurrent protection for 3‑phase systems in industrial, commercial, and OEM applications, ensuring safe operation and steady performance across the power chain.