Siemens P115 - 15 A, 1-Pole Bolt-On Circuit Breaker | AmpState

Engineered for dependable branch circuit protection, the Siemens P115 is a 15-amp, 1-pole bolt-on molded case circuit breaker designed to shield panelboards and loadcenters from overcurrent and short circuits. Built to perform consistently, it ensures your electrical distribution stays safe and reliable across a range of settings.

With a secure bolt-on mounting, the P115 delivers a rigid, vibration-resistant bus connection that helps maintain stable electrical contact even in environments with movement or vibration. Its thermal-magnetic trip unit provides stable, repeatable protection performance, automatically responding to both overloads and short-circuit events to minimize damage to wiring and equipment.

Why the Siemens P115 stands out

• Bolt-on mounting for a solid, vibration-resistant bus connection that stays secure over time.
• Thermal-magnetic trip ensures reliable protection against both overloads and short circuits with predictable trip behavior.
• OEM-compatible design that works with matching Siemens OEM loadcenters and panelboards for straightforward replacement or expansion.
• Versatile applications suitable for residential, commercial, and light industrial environments where dependable protection matters.

Key features

• Amperage rating: 15A
• Number of poles: 1
• Mounting style: Bolt-on
• Type: Thermal-magnetic molded case circuit breaker
• Application: Branch circuit overcurrent and short-circuit protection
• Manufacturer: Siemens
• Part number: P115

Technical specifications at a glance

• Manufacturer: Siemens
• Part Number: P115
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 15A
• Number of Poles: 1
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

• Residential panelboards needing a reliable 15A single-pole protection device
• Commercial enclosures requiring a bolt-on breaker with secure mounting
• Light industrial panels where vibration resistance and long-term stability matter
• Panelboard upgrades or replacements that must align with OEM Siemens equipment

Practical guidance for use

• Ensure compatibility with your OEM loadcenter or panelboard before installation.
• Rely on the thermal-magnetic trip for predictable protection performance across varying loads.
• Use in applications where a sturdy bolt-on connection minimizes bus-bar movement and maintains contact integrity.
• Consider this 15A, 1-pole breaker as part of a modular protection strategy that scales with residential or light commercial electrical systems.