Eaton CH280ST - 80 A, 240 V, 2-Pole Plug-In Circuit Breaker | AmpState

The Eaton CH280ST 80A, 240V, 2-pole plug-in molded case circuit breaker is your dependable line of defense for branch circuits. Engineered for fast plug-in installation and reliable overcurrent protection, it fits seamlessly in panelboards and load centers that accept molded-case plug-in breakers.

What makes CH280ST unique

• Fast plug-in connection: simplify installation and replacement, reducing panel downtime and labor.
• Thermal-magnetic trip: combines heat sensing and magnetic trip action for stable, repeatable protection against overloads and short circuits across varying load conditions.
• OEM-compatible design: crafted to align with matching Eaton panelboards and other OEM load centers, ensuring proper fit, electrical performance, and clear trip indication.
• Broad applicability: ideal for residential, commercial, and light industrial circuits where reliable protection is critical.

Technical snapshot

• Manufacturer: Eaton
• Part Number: CH280ST
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 80 A
• Voltage Rating: 240 V
• Number of Poles: 2
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Use cases and installation scenarios

In a typical home workshop or a small office, the CH280ST protects a dedicated 240V circuit—think air compressors, welders, or large power tools—without sacrificing convenience during panel maintenance. In light commercial spaces or modest industrial setups, it can guard critical equipment feeders and service entrances where space for breakers is at a premium. The plug-in design enables quick replacement when a replacement breaker is needed after a fault, minimizing downtime.

Practical tips for best results

• Verify your panelboard accepts molded-case plug-in breakers in the CH family and that the CH280ST’s 80 A rating matches the load requirements.
• Pair with appropriate conductor sizing and supporting equipment as per electrical codes and manufacturer guidelines.
• Keep a spare CH280ST on hand for fast recovery after a fault clearance—its plug-in style makes changeouts simple.
• Always follow safety protocols when working with energized panels; shut off main power and use proper PPE.