Siemens BQD350 - 50A, 480VAC, 3-Pole, Circuit Breaker

Siemens BQD350 delivers dependable three-phase protection for demanding industrial environments. Rated at 50A and up to 480VAC, this 3-Pole circuit breaker is designed to live in panelboards, switchboards, and control panels where consistent protection and safe operation are essential.

Key specifications

• Current rating: 50A
• Voltage rating: up to 480VAC
• Poles: 3-Pole
• Type: Circuit Breaker (overcurrent protection)

In three-phase systems, the 3-pole design ensures synchronized disconnection of all phases, minimizing arc faults and protecting downstream equipment. The BQD350 is a reliable choice for facilities that rely on robust protection for motors, conveyors, and automation hardware running on 480V systems.

Ideal uses and applications

• Industrial panelboards and switchboards requiring reliable branch protection
• Motor control centers where dependable disconnection of all phases is critical for safety
• OEM equipment enclosures and machine builders needing a compact, three-phase protection solution
• Commercial facilities with 480VAC distribution needs that prioritize consistent performance and serviceability

What this product solves

• Prevents damage from overloads and short circuits by interrupting fault currents at the source
• Enhances system safety and uptime in distribution panels and control networks
• Provides a standardized, easily sourceable protection component from a trusted Siemens lineage

Why choose the Siemens BQD350

• Designed for 480VAC, 3-phase environments common in industrial settings, offering reliable protection where it matters most
• Suitable for panelboards, switchboards, and motor control centers, enabling flexible installation in existing or new equipment
• Part of a trusted Siemens protection family, supporting serviceability and availability in maintenance cycles and spares

Whether you’re upgrading an aging distribution panel, designing a new machine with a 3-phase drive, or specifying OEM equipment for a manufacturing line, the Siemens BQD350 50A, 480VAC, 3-Pole circuit breaker delivers focused protection with practical, field-proven reliability. It’s a decisive choice for safe operation, streamlined maintenance, and steady production uptime.