Eaton HFD2045L - 45 A, 600 V, 2-Pole Circuit Breaker | AmpState

The Eaton HFD2045L is a compact, reliable 2-pole molded case circuit breaker designed to safeguard branch circuits in panelboards and loadcenters. With a 45A rating and a 600V maximum, this breaker provides precise overcurrent and short-circuit protection where you need it most, without crowding your panel.

Why this breaker stands out

• Space-efficient molded-case design: A compact footprint helps maximize panel space, making it easier to organize wiring and reserve room for future circuit additions.
• Thermal-magnetic trip unit: Combines precise thermal sensing with magnetic actuation for stable, repeatable protection across a wide range of loads and fault conditions.
• 2-pole versatility: Ideal for 120/240V applications and multi-wire branch circuits, ensuring both conductors trip together for enhanced safety.
• OEM panel compatibility: Engineered to pair with matching Eaton loadcenters and panelboards, delivering seamless integration and reliable performance.
• Wide-range application: Suitable for residential settings, as well as commercial and light industrial environments where dependable protection is essential.

Technical snapshot

• Manufacturer: Eaton
• Part number: HFD2045L
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 45A
• Voltage rating: 600V
• Number of poles: 2
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use scenarios

When you’re outfitting a new panel or upgrading an existing distribution center, the HFD2045L provides dependable protection for circuits that demand a precise 45A rating. Its compact form helps you optimize panel layout in tight spaces, while the thermal-magnetic trip ensures consistent responses to overloads and faults. This breaker is a natural fit for homes upgrading to modernized panelboards, small commercial setups, and light industrial installations where reliable, Eaton-compatible components matter most.

Practical considerations

• Ensure you’re pairing the HFD2045L with a matching Eaton panelboard or loadcenter to guarantee optimal fit and performance.
• Use within its rating and follow manufacturer guidelines for torque, clearance, and replacement intervals to maintain protection integrity.
• Consider how the 2-pole configuration supports multi-wire branch circuits, enabling simultaneous disconnect of both hot lines for safer maintenance.

Designed for electricians who value precise protection, efficient panel space, and seamless compatibility with Eaton systems, the Eaton HFD2045L delivers targeted, dependable circuit protection where it matters most—in the heart of the electrical distribution system.