Siemens QS2175H - 175 A, 240 V, 2-Pole Plug-In Circuit Breaker | AmpState

Siemens QS2175H 175A, 240V, 2-Pole Plug-In Molded Case Circuit Breaker is built to deliver reliable branch-circuit overcurrent and short-circuit protection in panelboards and load centers. With a fast plug-in connection, it streamlines installation and quick replacements, helping you minimize downtime during upgrades, maintenance, or panel refreshes.

Key advantages

• Fast plug-in connection enables speedy installation and effortless replacements, reducing labor time and service interruptions.
• Thermal-magnetic trip unit provides stable, repeatable protection performance, responding accurately to both overloads and short circuits to protect downstream equipment.
• 2-pole, 175A at 240V rating delivers robust protection for main feeders and essential branch circuits in a variety of setups.
• OEM-compatible design is engineered to pair with matching Siemens OEM load centers and panelboards for a clean fit, reliable coordination, and consistent electrical performance.
• Versatile applications suitable for residential, commercial, and light industrial environments, making it a practical choice for multi-site protection needs.

Why this matters for your installation

The QS2175H isn’t just a breaker that stops current. It’s a protective solution that ensures your electrical system reacts precisely when needed, minimizing nuisance trips and protecting both wiring and connected loads. The plug-in design reduces the complexity of panel swaps or upgrades, while the thermal-magnetic mechanism provides dependable performance across varying temperatures and loads—critical for spaces with fluctuating demand like renovation projects, commercial spaces, or light industrial equipment rooms.

Ideal use cases

• Residential subpanels and main distribution panels needing reliable 175A protection for key circuits.
• Commercial lighting, HVAC controls, and office equipment feeders that require quick installation and predictable trip characteristics.
• Light industrial panels housing motor loads or processing equipment where durable, plug-in protection is preferred.

Technical snapshot

• Manufacturer: Siemens
• Part Number: QS2175H
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 175A
• Voltage Rating: 240V
• Number of Poles: 2
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

When you need dependable protection that fits neatly into Siemens panelboards and load centers, the QS2175H delivers precise protection, straightforward installation, and long-term reliability for a range of electrical environments.