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The QR23B175 molded case circuit breaker by Siemens is designed for robust electrical distribution applications with a rating of 175 amps. This device operates on a 240 VAC voltage system and supports three-phase connections, ensuring efficient power management in commercial or industrial settings.
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| Manufacturer | Siemens |
|---|---|
| Product Type | Molded Case Circuit Breaker |
| Product Line | QR Circuit Breakers |
| Part Number | QR23B175 |
| UPC | 804766136658 |
| Amperage Rating | 175 A |
| Phase | 3-Phase |
| Voltage Rating | 240 VAC |
| Number of Poles | 3 Poles |
| Interrupt Rating at 240 VAC | 10 kAIC |
| Protection Type | Thermal Magnetic |
| Connection Type | Bolt-on/Plug-in |
| Frequency Rating | 50/60 Hz |
| Trip Functions | Long-time, Instantaneous |
| Compliance Standard | UL Listed |
The Siemens QR23B175 is classified as a molded case circuit breaker, tailored to meet stringent performance requirements in electrical systems. This product is rated for 175 amperes and accommodates a voltage rating of up to 240 VAC, making it well-suited for substantial power distribution tasks across three-phase electrical networks.
The breaker effectively employs a thermal magnetic protection mechanism, which is vital for safeguarding circuits against overloads and short circuits. With a total of three poles, it manages power efficiently and ensures balanced load distribution in three-phase applications. It also operates smoothly at frequency ratings of 50 and 60 Hertz.
In terms of interrupt capacity, the QR23B175 can withstand fault currents up to 10 kAIC at 240 VAC, thus providing essential fault protection in various applications. The unit's connection options include both bolt-on and plug-in types, allowing for flexible installation configurations. Additionally, it includes long-time and instantaneous trip functions for responsive action to fault conditions. The UL listing confirms that this circuit breaker meets recognized safety standards, ensuring it can be reliably used in a diverse range of settings.