Siemens B270 - 70 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState

From AmpState, the Siemens B270 is a 70A, 240V, 2-pole bolt-on molded case circuit breaker engineered to protect branch circuits with precision in panelboards and loadcenters. Its rugged construction and smart design deliver dependable overcurrent and short-circuit protection in demanding environments.

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection for long-term reliability in electrical panels.
• Thermal-magnetic trip unit delivers stable, repeatable protection by responding predictably to both overloads and short circuits.
• 70A, 240V, 2-pole design is ideal for protecting larger branch circuits common in residential, commercial, and light industrial applications.
• OEM-compatible mounting ensures seamless compatibility with matching Siemens OEM loadcenters and panelboards for straightforward replacement or upgrades.

Where it shines

The B270 is purpose-built for panelboard and loadcenter installations where reliability matters most. It’s a practical choice when you need robust protection without sacrificing mounting security or interference-free operation in spaces that experience vibration or movement. Ideal for home electrical renovations, small business panel upgrades, or light industrial distribution where dependable circuit protection is essential.

Who benefits most

electricians and electrical contractors performing replacements or expansions in existing Siemens panels, facilities managers upgrading protection for shared or multi-tenant spaces, and homeowners seeking a dependable, OEM-compatible solution for critical circuits.

Technical details at a glance

• Manufacturer: Siemens
• Part Number: B270
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 70A
• Voltage Rating: 240V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection
• Compatibility: Matching OEM loadcenters and panelboards