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HQR23B250H
The Siemens HQR23B250H is a molded case circuit breaker designed primarily for heavy-duty applications. Supporting a voltage rating of 240 V AC, this device has a substantial amperage capacity of 250 A and is configured for three-phase operation.
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Technical specifications for HQR23B250H
| Manufacturer | Siemens |
|---|---|
| Product Type | Molded Case Circuit Breaker |
| Product Line | QR Circuit Breakers |
| Part Number | HQR23B250H |
| UPC | 804766137105 |
| Voltage Rating | 240 V AC |
| Amperage Rating | 250 A |
| Number of Poles | 3 Poles |
| Phase Type | 3-Phase |
| Trip Type / Protection | Thermal-Magnetic |
| Interrupting Rating (AIC) | 100 kA at 240 VAC |
| Connection Type | Bolt-On |
| Functions | LI – Long-Time and Instantaneous |
| Roles | Used for commercial and industrial panelboards, load centers, switchboards, power distribution systems |
| Operating Temperature | Standard 40 °C |
| Relative Humidity | Up to 95%, non-condensing |
The HQR23B250H from Siemens is classified as a molded case circuit breaker, specifically designed for robust electrical applications. This unit is rated for operation at 240 V AC with a maximum current handling capacity of 250 A, making it ideal for use in demanding environments. It is structured with three poles, designed to function within three-phase electrical systems.
A notable feature of the HQR23B250H is its thermal-magnetic trip mechanism, which provides both long-time and instantaneous trip functionality. This ensures reliable protection against overloads and short circuits. The circuit breaker boasts an interrupting capacity of 100 kA at 240 VAC, allowing it to effectively manage high fault conditions in various applications.
Installation is simplified with its bolt-on connection type, ensuring a firm and secure setup in a variety of configurations including commercial panelboards, switchboards, load centers, and power distribution systems. The device operates effectively within a standard temperature range of up to 40 °C and can function in environments with relative humidity levels of up to 95% without condensation. Thus, the HQR23B250H is engineered for versatility and reliability in industrial and commercial applications.
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