Siemens BF250 A - 50 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Siemens BF250A is a dependable 2-pole, 50A, 240V molded case circuit breaker designed to protect branch circuits in panelboards and load centers. Built for consistent performance, its bolt-on construction delivers a secure, vibration-resistant bus connection that stays tight through demanding conditions.

• Secure bolt-on mounting ensures a rigid, vibration-resistant connection that maintains reliable electrical continuity in busy electrical enclosures.
• Thermal-magnetic trip unit provides stable, repeatable protection: the thermal element calmly responds to gradual overloads, while the magnetic element quickly clears short circuits, reducing nuisance trips and safeguarding equipment.
• OEM-compatible design is engineered to work with matching Siemens load centers and panelboards, ensuring proper fit, coordination, and long-term reliability.
• Versatile application suited for residential, commercial, and light industrial settings, making it a practical choice for protecting lighting circuits, receptacles, HVAC feeders, and other common branch circuits.
• Clear electrical specs at a glance: 50A rating, 240V operation, 2 poles, bolt-on mounting, and molded case construction for durable, code-compliant protection.

Technical snapshot

• Manufacturer: Siemens
• Part Number: BF250A
• 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

Designed for installers and facility managers who value reliability and straightforward installation, the BF250A delivers predictable protection and long service life in panelboards and load centers. Its bolt-on design reduces connection variability in vibration-prone environments, while the thermal-magnetic trip mechanism provides confident protection against both overloads and short circuits. This makes it a practical, long-term choice for upgrading or stocking essential protective devices in residential and light commercial electrical systems.