Eaton BAB1020S - 20 A, 120 V, 1-Pole Bolt-On Circuit Breaker | AmpState

The Eaton BAB1020S is a purpose-built 1-pole, 20A, 120V circuit breaker engineered to deliver dependable overcurrent and short-circuit protection for branch circuits in panelboards and load centers. Designed with a bolt-on mounting, it delivers a rigid bus connection that stays secure even in vibration-prone environments, helping reduce connection drama in demanding electrical setups.

• Secure bolt‑on mounting for a solid, vibration-resistant bus connection that stays put in busy electrical panels.
• Thermal-magnetic trip unit combines precise thermal overload protection with instantaneous magnetic trip for fast response to short circuits, minimizing damage and downtime.
• 1-pole, 20A, 120V design tailored for single-circuit protection in residential, commercial, and light industrial applications.
• OEM-compatible guaranteed compatibility with matching Eaton load centers and panelboards for a seamless, worry-free upgrade or replacement.

Ideal for lighting, receptacle circuits, small machinery, and other branch circuits where reliable protection and a compact footprint are critical. The bolt-on format makes installation straightforward in panelboards that require a fixed, vibration-resistant connection, while the thermal-magnetic protection helps prevent nuisance trips and ensures consistent performance across varying temperatures and loads.

Why this matters

In panel environments where circuits must stay protected without frequent recalibration or retightening, the BAB1020S provides a durable, dependable solution. Its 20A rating is perfect for typical residential branch circuits and light commercial loads, offering a balance between protection and practicality. When paired with matching OEM equipment, you get optimized fit, coordinated trip characteristics, and streamlined maintenance.

Technical snapshot

• Eaton
• BAB1020S
• Thermal-magnetic molded case circuit breaker (MCCB)
• 20A
• 120V
• 1
• Bolt-on
• Branch circuit overcurrent and short-circuit protection

Tip for best results: verify compatibility with your panelboard’s model and follow the panel manufacturer’s torque specifications for the mounting hardware to ensure a secure, long-lasting connection.