Siemens B380H00S01 - 80 A, 240 V, 3-Pole Circuit Breaker | AmpState

Siemens B380H00S01 is an 80A, 240V, 3-pole molded case circuit breaker engineered for dependable branch circuit protection in panelboards and load centers. This unit pairs a compact profile with precise protection, making it a smart upgrade for any Siemens OEM panel system.

• Compact molded-case design: Maximizes usable panel space, letting you fit more circuits without crowding the enclosure.
• Thermal-magnetic trip unit: Delivers stable, repeatable protection by responding to both overloads and short circuits, across a wide range of operating temperatures.
• OEM-compatible: Designed to be fully compatible with matching Siemens panelboards and load centers for seamless replacement and serviceability.
• Versatile applications: Suitable for residential, commercial, and light industrial panels that require reliable 240V, 3-pole protection.

Technical snapshot

• Amperage rating: 80 A
• Voltage rating: 240 V
• Poles: 3
• Type: Thermal-magnetic molded case circuit breaker
• Part number: B380H00S01
• Application: Branch circuit overcurrent and short-circuit protection

Ideal for feeding 3-phase equipment or 240V loads in small to mid-sized panels, the B380H00S01 helps prevent damage from overloads and short circuits while keeping installation neat and space-efficient. In homes or light commercial settings, it can protect feeders to equipment like HVAC systems, water heaters, or large motors, ensuring a rapid, safe shutdown if a fault occurs. Its compatibility with Siemens OEM panels simplifies upgrades and replacements, reducing downtime and maintenance complexity.

Practical tips for best results: verify panel compatibility with the B380H00S01 before replacement, torque mounting connections to the manufacturer’s specifications, and pair with properly rated downstream conductors to maintain coordinated protection. When you need a reliable 80A, 240V, 3-pole solution that fits neatly into Siemens’ ecosystem, the B380H00S01 delivers predictable performance and straightforward serviceability.