Eaton 503B027H10 110A 3-Pole 240 V Circuit Breaker

Eaton 503B027H10 delivers dependable, three-phase over‑current protection for 240 V systems. With a 110 A rating and a true 3‑pole design, this circuit breaker automatically interrupts all three phases together when overloads or faults occur, preventing phase imbalance and protecting both wiring and connected equipment.

Designed for industrial and commercial panels, this 503B027H10 unit fits Eaton distribution systems where reliable, readily identifiable spare parts matter. The exact part number makes sourcing quick and guarantees proper fit, so technicians can swap in seconds and minimize downtime.

• Current rating: 110 A
• Poles: 3 (three-phase protection)
• Voltage rating: 240 V
• Part number: 503B027H10

Why this matters

• Protects motors, drives, and other three-phase equipment from overloads, reducing the risk of damage and unscheduled downtime.
• Three-pole disconnection ensures all phases trip together, avoiding dangerous phase imbalances and unintended energization.
• Genuine Eaton component designed for seamless replacement in compatible panels, helping maintain system integrity and warranty alignment.

Ideal use scenarios

• Industrial control panels and machine rooms serving CNC machines, conveyors, or pumps in manufacturing facilities.
• Commercial HVAC and large-area electrical feeders that rely on stable 3‑phase power.
• Any 3‑phase 240 V circuit requiring reliable, straightforward protection and easy field replacement.

Engineered for professionals who value precise, dependable protection in demanding environments, the Eaton 503B027H10 110A 3‑Pole 240 V circuit breaker is a practical, long‑term solution for safeguarding your three-phase electrical infrastructure.