Eaton DNBA3030 - 30 A, 120 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Meet the Eaton DNBA3030 — a 30A, 120V, 2-pole bolt-on molded case circuit breaker designed to safeguard branch circuits inside panelboards and load centers. With a rugged bolt-on mounting and a thermal-magnetic trip unit, it delivers dependable, repeatable protection for everyday electrical demands and unexpected faults alike.

Why this breaker stands out

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection, maintaining a reliable electrical bond even in installations with movement or vibration.
• Thermal-magnetic trip combines precise overload protection with instant short-circuit response, minimizing nuisance trips while safeguarding wiring and equipment.
• OEM-compatible design is built to work with matching load centers and panelboards, simplifying replacement and ensuring cohesive performance across the system.
• Versatile for multiple environments ideal for residential, commercial, and light industrial applications that require solid 120V protection on 2-pole circuits.

The DNBA3030 protects your branch circuits from overcurrent and short circuits, preventing damage to conductors and connected equipment. Its 2-pole configuration ensures both conductors trip together, enhancing safety and fault clearance in 120V layouts.

Technical specifications

• Manufacturer: Eaton
• Part number: DNBA3030
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 30 A
• Voltage rating: 120 V
• Number of poles: 2
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Whether you’re upgrading an aging panel or outfitting a new installation, the DNBA3030 offers dependable protection in a compact, compatible package. Use it to protect critical 120V circuits in homes, offices, retail spaces, or light industrial equipment rooms. For best results, verify panelboard compatibility with your OEM system and follow local electrical codes. If you’re unsure about mounting or wiring, consult a licensed electrician to ensure a safe, code-compliant installation.