Eaton Eljbn3250W - 250 A, 480 V, 3-Pole Circuit Breaker | AmpState

When your 480-volt electrical distribution demands dependable, high-capacity protection, the Eaton Eljbn3250W delivers precise, repeatable performance. This 250A, 3‑pole molded-case circuit breaker is engineered to safeguard branch circuits in panelboards and loadcenters, keeping commercial and light industrial systems running smoothly while minimizing downtime.

Why this breaker stands out

• Compact molded-case design maximizes panel space without compromising protection or performance, making it ideal for tight electrical enclosures and busy installs.
• Thermal-magnetic trip unit provides stable, repeatable protection by responding to both sustained overloads and sudden short circuits, helping to prevent nuisance trips and protect equipment.
• 3-pole configuration for 480V systems—perfect for three-phase installations common in commercial and light industrial environments.
• OEM loadcenter and panelboard compatibility ensures smooth integration with Eaton and compatible OEM products, reducing coordination issues during installation and upgrades.
• Versatile applications—well suited for residential, commercial, and light industrial electrical protections where high current and reliable fault interruption are required.
• Reliable branch circuit protection against overcurrent and short circuits, backed by Eaton’s engineering and support network.

Key specifications at a glance

• Manufacturer: Eaton
• Part number: Eljbn3250W
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 250 A
• Voltage rating: 480 V
• Number of poles: 3
• Application: Branch circuit overcurrent and short-circuit protection in panelboards and loadcenters

Ideal use scenarios

• New installations in commercial facilities where 480V three-phase power is standard
• Upgrades or replacements in existing panelboards and loadcenters that require high-capacity, reliable protection
• Residential-adjacent commercial setups or light industrial environments needing robust fault-interruption performance

Installation and compatibility tips

• Pair this 250A, 480V, 3-pole breaker with matching Eaton OEM loadcenters and panelboards to ensure proper fitment and coordinated tripping characteristics.
• Follow manufacturer guidelines for mounting, wiring, and trip-unit verification to maintain optimal protection and compliance.
• Consider the panel’s bus rating and conductor sizes to ensure full compatibility with the 3-pole design and 480V system voltage.