Siemens B250H - 50 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Engineered by Siemens to deliver durable, trusted protection, the B250H is a 50A, 240V, 2-pole bolt-on molded case circuit breaker designed for dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Its rugged bolt-on mounting creates a rigid, vibration-resistant bus connection, so performance stays consistent even in cabinets subject to movement or vibration.

Key features that matter in the real world

• Secure bolt-on mounting for a rigid, vibration-resistant bus connection that helps maintain accurate protection and reduces connection loosening over time.
• Thermal-magnetic trip unit delivers stable, repeatable protection by responding to both overloads and short circuits, minimizing nuisance trips while safeguarding circuits.
• 2-pole design protects both conductors in 240V circuits, ensuring coordinated, comprehensive protection for multiwire applications.
• OEM compatibility designed to match with corresponding OEM load centers and panelboards for straightforward, reliable replacements.
• Versatile applications suitable for residential, commercial, and light industrial panel setups, expanding protection across a range of environments.

Technical specifications at a glance

• Manufacturer: Siemens
• Part Number: B250H
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 50A
• Voltage Rating: 240V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal uses and scenarios

Use the Siemens B250H in panelboards and load centers where 240V, 50A protection is required. It’s a solid choice for upgrading or replacing aging breakers in residential subpanels, small commercial service panels, or light industrial distributions where reliable, coordinated protection is essential. The bolt-on design simplifies installation in fixed enclosures and enhances connection durability in environments with vibration or movement.

Why this breaker is a practical choice

Choosing the B250H means prioritizing dependable protection with a design that emphasizes secure mounting and repeatable trip performance. The combination of bolt-on mounting, a thermal-magnetic trip unit, and compatibility with matching OEM load centers reduces installation headaches and helps ensure consistent protection across your distribution panel. For technicians and property owners who value durability, longevity, and reliable response to electrical faults, this breaker delivers clear, tangible value.

Installation and compatibility tips

Confirm the breaker is compatible with your Siemens OEM load centers or the specific panelboard model you’re working with. Follow standard safety practices for electrical work, and ensure mounting screws are properly seated to maintain the rigid bus connection that the bolt-on design is designed to provide. This unit is intended for branch circuit protection on 240V systems and should be used where a 2-pole, 50A device is specified.

Upgrade your panel protection with the Siemens B250H—a dependable, precisely engineered solution for 240V, 50A applications that demand durable performance and straightforward compatibility.