Siemens B220H00S01 - 20 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Meet the Siemens B220H00S01 — a purpose-built 20A, 240V, 2-pole bolt-on molded case circuit breaker crafted for reliable branch circuit protection in panelboards and loadcenters. Built to endure with vibration-resistant bus connections and a precise thermal-magnetic trip system, this breaker is designed to keep critical circuits safe and your electrical system running smoothly.

• Secure bolt-on mounting: Provides a rigid, vibration-resistant connection to the bus, helping maintain stable performance in demanding environments.
• Thermal-magnetic trip unit: Delivers stable, repeatable protection by combining thermal and magnetic sensing to respond appropriately to both overloads and short circuits.
• OEM-compatible design: Specifically engineered to work with matching Siemens OEM load centers and panelboards, ensuring seamless integration and reliable operation.
• Versatile application: Suitable for residential, commercial, and light industrial settings where dependable 2-pole 240V protection is required.
• Durable molded-case construction: Built to withstand the rigors of field installation and ongoing electrical demand while providing long-term protection.

Technical Specifications

• Manufacturer: Siemens
• Part Number: B220H00S01
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 20A
• Voltage Rating: 240V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal for

• Electricians upgrading Siemens panelboards or OEM load centers with dependable 2-pole, 240V protection
• Residential subpanels and light-commercial electrical rooms where space and reliability matter
• New installations requiring a rugged, bolt-on solution that stays secure in environments with vibration or movement

Why choose this Siemens breaker? It’s not just about meeting the amperage and voltage spec. The B220H00S01 delivers a deliberate balance of robust mechanical mounting and precise protection logic that translates into fewer nuisance trips and long-term circuit reliability. When paired with compatible Siemens panel equipment, it ensures consistent electrical performance, easier serviceability, and a cohesive protection strategy for your electrical system.

Whether you’re replacing a failed unit, expanding a circuit, or outfitting a new installation, the Siemens B220H00S01 is a dependable choice for safe, code-compliant circuit protection that professionals trust in panelboards and loadcenters.