Siemens BQD6335 - 35 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Siemens BQD6335 is a 35A, 600V, 3-pole bolt-on molded case circuit breaker designed to provide dependable branch circuit protection in panelboards and load centers. Built for reliability in real-world electrical environments, this unit delivers precise protection for three-phase systems while standing up to the rigors of vibration and continuous operation.

Why this breaker stands out

• Secure bolt-on mounting creates a rigid, vibration-resistant bus connection, helping maintain consistent electrical contact and protection even in environments with movement or vibration.
• Thermal-magnetic trip unit delivers stable, repeatable performance for both overloads and short circuits, reducing nuisance trips and ensuring fast disconnection when needed.
• 3-pole design provides comprehensive three-phase protection, ideal for 600V systems common in commercial and light industrial applications.
• OEM-compatible engineered to pair with matching Siemens OEM load centers and panelboards for seamless fit, coordination, and reliability.
• Versatile application scope suited for residential, commercial, and light industrial installations that require robust branch-circuit protection.

Technical snapshot

• Manufacturer: Siemens
• Part Number: BQD6335
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 35A
• Voltage Rating: 600V
• Number of Poles: 3
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Practical use cases

• Protect three-phase circuits in commercial panelboards and load centers where reliable disconnection is critical for safety and uptime.
• Upgrade or retrofit subpanels in small offices, retail spaces, or light manufacturing lines that utilize 600V systems.
• Install in environments where vibration or equipment movement is a factor, leveraging the bolt-on design for a durable, secure connection.
• Pair with compatible Siemens OEM gear to maintain proper coordination and trip performance across the protection scheme.

Installation and compatibility tips

• Verify that your panelboard or load center is designed to accept bolt-on molded case breakers and matches the Siemens BQD6335 specification.
• Confirm the circuit requires 35A protection and that the system voltage is within the 600V rating before installation.
• Follow panel manufacturer torque recommendations for bolt-on mounting to ensure a secure, reliable connection.
• Keep the thermal-magnetic trip unit within its intended ambient operating range to maintain stable protection characteristics over time.

For professionals seeking a dependable, three-phase protection solution that integrates smoothly with Siemens panel systems, the BQD6335 offers precise trip behavior, solid mounting, and long-lasting performance. Choose Siemens for a thoughtfully designed breaker that aligns with your panelware and delivers clear, consistent protection across residential, commercial, and light industrial applications.