Siemens BE120 - 20 A, 120 V, 1-Pole Bolt-On Circuit Breaker | AmpState

Engineered for dependable protection across distribution panels, the Siemens BE120 20A, 120V, 1-Pole Bolt-On Circuit Breaker delivers reliable branch-circuit safety in panelboards and load centers. This molded case breaker is built to stand up to daily use, keeping circuits protected from overload and short-circuit events with precision and consistency.

• Secure bolt-on mounting for a rigid, vibration-resistant bus connection — minimizes loose contacts and arcing, providing lasting electrical reliability in busy panels.
• Thermal-magnetic trip unit for stable, repeatable protection — blends thermal overload sensing with magnetic short-circuit response to guard circuits quickly and predictably.
• OEM panel compatibility — designed to pair with matching Siemens load centers and panelboards, ensuring proper fit, alignment, and trip characteristics.
• Versatile for residential, commercial, and light industrial use — ideal for protecting branch circuits in homes, small businesses, and light-duty facilities.

Technical specifications

• Manufacturer: Siemens
• Part Number: BE120
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 20 A
• Voltage Rating: 120 V
• Number of Poles: 1
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Whether you’re replacing a failed breaker, upgrading an existing panel to improve protection, or equipping a new Siemens OEM panelboard, the BE120 delivers dependable, consistent performance. Its bolt-on design and robust trip mechanism help you protect wiring, devices, and occupants with confidence, while its compatibility with Siemens panel ecosystems keeps installation straightforward and reliable.