Siemens B315 - 15A, 3-Pole, Circuit Breaker

When your electrical system demands reliable three‑phase protection, the Siemens B315 15A 3‑Pole Circuit Breaker delivers dependable overcurrent protection across panelboards, switchboards, and control panels. Designed for industrial, commercial, and OEM environments, it shuts down safely and efficiently when faults occur, helping protect equipment and maintain uptime in demanding settings.

Three-pole protection for true three-phase systems

The B315's 3‑Pole configuration ensures all three phases disconnect in the event of an overcurrent, simplifying wiring and improving safety in three‑phase distributions and motor control centers.

• Current rating: 15A, suited for light‑to‑moderate industrial loads
• Poles: 3‑Pole for true three‑phase protection
• Breaker type: Circuit Breaker; provides overcurrent and short‑circuit protection
• Applications: Ideal for panelboards, switchboards, and control panels in industrial, commercial, and OEM settings
• Reliability: Engineered by Siemens for consistent performance in distribution panels and motor control centers

Practical use cases

Use the B315 in new installations or as a replacement in existing Siemens‑compatible panels. It’s well‑suited for:

• Three‑phase motor circuits in manufacturing lines
• Distribution panels feeding equipment across warehouses
• Control panels for automated machinery and equipment sub‑systems

Why this matters

Choosing the Siemens B315 means aligning with a trusted brand's engineering standards. The 15‑amp rating provides balanced protection for circuits without nuisance tripping, while the 3‑pole design ensures synchronized disconnection, reducing arc risk and facilitating safer shutdowns across all three phases.

Specifications at a glance

• Current rating: 15A
• Poles: 3‑Pole
• Breaker type: Circuit Breaker

Equip your distribution panels and motor control centers with a dependable Siemens B315 15A 3‑Pole Circuit Breaker and safeguard your three‑phase systems with precision and reliability.