Siemens | BG3B030 | Circuit Breaker | 30A | 3-Pole | 240V | 10kA | Bolt-On

The Siemens BG3B030 circuit breaker delivers reliable overcurrent protection for 3‑phase electrical systems. With a 30A rating, 3 poles, and 240V operation, this 10kA interrupt-capacity bolt‑on device is engineered for demanding industrial and commercial environments. Ideal for maintenance, retrofit, or replacement projects where exact compatibility matters, the BG3B030 is the precise Siemens part you need for seamless performance.

• Amperage: 30A
• Poles: 3-Pole
• Voltage: 240V
• Interrupt Rating: 10kA
• Mounting: Bolt-On
• Part Number: BG3B030

What makes the BG3B030 stand out

Designed to fit precisely where Siemens BG3B030 is specified, this breaker provides consistent trip characteristics and secure mechanical fit. The bolt-on mounting ensures a solid connection in panels engineered for this style, reducing retrofit complexity and downtime. With a 10kA interrupt rating, it offers strong fault interruption for 3‑phase equipment, including motors and compressors, helping protect both wiring and downstream devices from damage.

Ideal use cases

• Maintenance and service replacements in compatible Siemens panels that require a 3-pole, 30A, 240V device
• Retrofits where matching the exact BG3B030 specifications prevents compatibility issues
• New installations in 3-phase systems that demand secure bolt-on mounting and robust interruption capacity
• Protection for 3‑phase motors and equipment in commercial and light industrial environments

Installation and compatibility tips

Before ordering, confirm fit and ratings with your panel documentation. The BG3B030 part number is the most reliable reference for compatibility. When installing, ensure the panel supports bolt‑on breakers and that the system voltage and phase configuration align with 240V 3‑phase operation. Always follow the manufacturer’s installation instructions and torque specifications for secure mounting and optimal performance.

Ready to safeguard your equipment with precise, reliable 3‑phase protection? Add the Siemens BG3B030 to your cart and standardize on a proven, interchangeable part that aligns with your existing Siemens infrastructure.