Eaton QBH1030EP - 30 A, 120 V, 1-Pole Circuit Breaker | AmpState

When you need reliable branch circuit protection for 120V systems, the Eaton QBH1030EP delivers precise, space‑efficient performance. This 30A, 1‑pole molded case circuit breaker is built to safeguard panelboards and load centers from overcurrent and short circuits with consistent protection you can trust.

• Compact molded case design optimizes panel space, making it easier to fit additional circuits without crowding or compromising safety.
• Thermal‑magnetic trip unit provides stable, repeatable protection across a range of operating conditions, reducing nuisance trips and enhancing circuit reliability.
• OEM‑level compatibility in tandem with matching load centers and panelboards ensures seamless installation, reliable fit, and streamlined replacement when needed.
• Single‑pole, 30A at 120V ideal for branch circuits in residential, commercial, and light industrial environments, handling lighting, receptacle, and small appliance circuits with ease.

Why this breaker matters

Unlike generic options, the QBH1030EP is designed to integrate perfectly with Eaton’s panel ecosystems, delivering predictable trip behavior exactly when you need it. The combination of a molded case and a thermal‑magnetic trip mechanism means you get robust protection without sacrificing panel real estate or installation simplicity.

Ideal use cases

• Residential: protect lighting and outlets on dedicated 120V branch circuits without consuming extra panel space.
• Commercial: safeguard small electrical runs in offices or retail spaces that run on 120V single‑pole circuits.
• Light industrial: reliable protection for control circuits and auxiliary loads that operate at 120V.
• Panel upgrades and replacements: maintain OEM compatibility for smooth servicing and future expansion.

Technical snapshot

• Manufacturer: Eaton
• Part Number: QBH1030EP
• Type: Thermal‑magnetic molded case circuit breaker
• Amperage Rating: 30A
• Voltage Rating: 120V
• Number of Poles: 1
• Application: Branch circuit overcurrent and short‑circuit protection

Installation and maintenance notes

Install the QBH1030EP in compatible Eaton panelboards or load centers to ensure optimal performance. For best results, pair with the corresponding OEM enclosure and follow standard electrical safety practices. If you’re upgrading or replacing existing protection devices, this 1‑pole 30A 120V breaker offers a straightforward path to restored reliability and circuit integrity.