Siemens BQD6330 - 30 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Siemens BQD6330 — a 30 A, 600 V, 3-pole bolt-on molded case circuit breaker designed to safeguard panelboards and load centers from overcurrent and short circuits. Built for dependable protection in everyday electrical installations, it delivers reliable performance where it matters most.

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection, helping maintain consistent contact even in environments with equipment vibration or cycling.
• Thermal-magnetic trip unit offers stable, repeatable protection by reacting to both overloads and short-circuit events, reducing nuisance trips and delivering fast, decisive shutdown when faults occur.
• OEM-compatible design ensures seamless integration with matching Siemens load centers and panelboards, simplifying installation and maintaining optimal electrical coordination.
• 3-pole configuration supports three-phase systems common in commercial and light industrial settings, providing coordinated protection across all phases.

Ideal use cases: Install the BQD6330 in residential, commercial, and light industrial panelboards/load centers where robust, voltage-rated protection for branch circuits is required. It’s especially suited to systems that demand reliable three-phase protection with proven mounting stability and coordinated performance.

Technical snapshot:
Manufacturer: Siemens
Part Number: BQD6330
Type: Thermal-magnetic molded case circuit breaker
Amperage Rating: 30A
Voltage Rating: 600V
Number of Poles: 3
Mounting Style: Bolt-on
Application: Branch circuit overcurrent and short-circuit protection