Siemens CQD235 - 35 A, 480 V, 2-Pole Circuit Breaker | AmpState

Meet the Siemens CQD235—a 35 A, 480 V, 2-pole molded case circuit breaker from AmpState that’s built for dependable branch-circuit protection in panelboards and load centers. With a thermal-magnetic trip unit, this breaker delivers stable, repeatable protection against both overloads and short circuits, even in demanding commercial or light industrial environments.

Why this breaker stands out

• Space-efficient design: The compact molded case form frees up valuable panel space, helping you fit more circuits into the same footprint without compromising protection.
• Reliable protection: Thermal-magnetic trip technology provides consistent response to overloads and fast short-circuit interruption, shielding wiring and equipment from damage.
• Seamless compatibility: Designed to work with matching OEM load centers and panelboards, ensuring straightforward integration into existing electrical systems.
• Versatile applications: Suitable for residential, commercial, and light industrial environments where 480 V systems and 2-pole protection are required.

Technical snapshot

• Manufacturer: Siemens
• Part number: CQD235
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 35 A
• Voltage rating: 480 V
• Poles: 2
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

Use the CQD235 when you need dependable protection for feeders and branch circuits in panelboards and load centers operating at 480 V. It’s well-suited for:

• Industrial control panels and small-to-mid size commercial installations
• Upgrades or retrofits of existing Siemens-compatible panelboards
• Electrical rooms and service equipment that demand robust short-circuit protection without sacrificing space

Practical benefits and insights

The CQD235 helps reduce downtime and equipment wear by quickly interrupting fault conditions, while its compact footprint makes it a smart choice for crowded electrical cabinets. Its compatibility with Siemens’ line of panelboards and load centers means you can trust consistent performance and easier procurement for spare parts and replacements. Whether you’re wiring a new facility or upgrading an older installation, this breaker provides a reliable, industry-standard solution for 2-pole protection at 480 V.

What to know about installation and care

• Ensure you select a CQD235 when the panelboard specification calls for a 2-pole, 35 A device at 480 V.
• Install only in compatible Siemens OEM panels to preserve categorization, labeling, and protection coordination.
• Follow standard electrical safety practices and torque requirements per manufacturer guidelines to maintain proper clamping and fault current handling.

Why choose this Siemens CQD235 over generic options

Beyond basic protection, this breaker is designed to integrate seamlessly with Siemens’ ecosystem, offering predictable trip characteristics, dependable coordination with upstream protection, and streamlined maintenance in systems that rely on Siemens panelboards. The 2-pole configuration provides targeted protection for line-to-line circuits, while the 35 A rating ensures you’re not over-protecting conductors or curtailing normal operation.