Siemens QR23B200 - 200 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState

The Siemens QR23B200 is a 200 A, 240 V, 3-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit protection for panelboards and load centers. With a rugged bolt-on mounting design and precise thermal-magnetic trip technology, it’s built to perform reliably in demanding electrical environments.

Why the QR23B200 stands out

• Secure bolt-on mounting: Provides a rigid, vibration‑resistant bus connection that helps prevent loosening from equipment movement or vibrations in busy electrical spaces.
• Thermal-magnetic trip unit: Delivers stable, repeatable protection across temperature changes and varying load conditions, combining long-time overcurrent protection with instantaneous short-circuit response.
• 3-pole, 240 V performance: Ideal for balanced three‑phase systems and single-phase applications requiring robust 200 A protection, ensuring coordinated shutoff when faults occur.
• OEM compatibility: Designed to pair seamlessly with matching Siemens OEM panelboards and load centers, simplifying installation and reducing compatibility concerns.
• Versatile application: Suitable for residential, commercial, and light industrial settings—from feeding critical equipment to safeguarding multiple branch circuits.

Who should consider this breaker

Contractors, facility managers, and electrical installers looking for a reliable, long‑lasting protection solution for main feeders and branch circuits will appreciate the QR23B200. If you’re retrofitting older panels or upgrading to a higher‑capacity distribution, this bolt-on breaker provides a direct, compatible replacement that maintains system integrity.

Practical use cases

• Feeding heavy machinery or motor loads in light industrial environments where vibration is a factor.
• Upgrading residential or commercial panelboards that require a robust 200 A, 3-pole protection device.
• Replacing aging breakers in Siemens OEM panels to preserve warranty compatibility and electrical performance.

Technical snapshot

• Manufacturer: Siemens
• Part Number: QR23B200
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 200 A
• Voltage Rating: 240 V
• Number of Poles: 3
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection