Westhinghouse HFB3040 - 40A, 3-Pole, Circuit Breaker

Meet the Westhinghouse HFB3040 — a robust 40A, 3-Pole circuit breaker designed to deliver dependable overcurrent protection in demanding electrical environments. The three-pole configuration provides synchronized protection across all phases, making it an ideal fit for 3-phase systems in distribution panels, motor control centers, switchboards, and control panels.

Why this breaker stands out

• Three-pole design delivers coordinated protection for all phases in 3‑phase networks, simplifying wiring and improving fault handling.
• 40 Amp rating aligns with medium-load motor circuits and distributed power feeders, helping balance protection with performance.
• Versatile deployment engineered for panelboards, switchboards, and control panels in industrial, commercial, and OEM applications.
• Reliable overcurrent protection helps prevent damage to wiring, motors, and downstream equipment, reducing downtime and maintenance costs.

Ideal use cases

• New installations in industrial facilities with 3-phase motors and heavy loads.
• Repairs or upgrades of distribution panels and motor control centers needing a precise, dependable 40A protection device.
• OEM equipment builds that require a compact, three-pole breaker to safeguard multi-phase circuits.

Key specifications at a glance

• Current rating: 40A
• Poles: 3-Pole
• Breaker type: Circuit Breaker

Practical guidance for installation and operation

• Ensure compatibility with your panelboard, switchboard, or control panel enclosure designed for 3-pole devices of this type.
• Mount in the correct orientation and secure with proper torque to maintain reliable operation.
• Use in applications where predictable protection keeps motors and feeders safe from overloads and short-circuit conditions.
• Keep the device accessible for inspection and testing as part of routine electrical maintenance.

Choose the Westhinghouse HFB3040 for durable, straightforward protection in your electrical distribution network. Its 3-pole design and solid 40A rating align with the needs of industrial, commercial, and OEM setups, delivering peace of mind where dependable current interruption matters most.