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BQD245
The BQD245 from Siemens is a molded case circuit breaker designed for effective panelboard protection. With a 45 A rating and voltage capabilities of 480 VAC and 125/250 VDC, this device ensures reliable circuit management in various applications.
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Technical specifications for BQD245
| Manufacturer | Siemens |
|---|---|
| Product Type | Molded Case Circuit Breaker |
| Product Line | BQD Series |
| Part Number | BQD245 |
| UPC | 783643277274 |
| Amperage Rating | 45 A |
| Voltage Rating | 480 VAC, 125/250 VDC |
| Application | Panelboard Protection |
| Trip Functions | Long-Time, Instantaneous |
| Number of Poles | 2 Poles |
| Phase | Single-Phase |
| Interrupt Rating | 14 kAIC at 480 VAC |
| Protection Type | Thermal Magnetic |
| Mounting Type | Bolt-On |
| Contactor Type | Magnetic |
| Actuator Type | Toggle |
| Max Wire Size | 1/0 AWG |
| Standards | UL, CSA, HACR |
The Siemens BQD245 is a high-capacity molded case circuit breaker, primarily suited for panelboard applications. It operates within a robust amperage rating of 45 A and supports voltages up to 480 VAC and 125/250 VDC, providing a versatile solution for various electrical systems. The device operates with two poles and is tailored for single-phase power distribution.
Key to its performance, the BQD245 employs thermal magnetic protection, which enhances its capability to handle instantaneous and long-time trip functions effectively. This characteristic is crucial for ensuring the safety and reliability of electrical systems, especially in environments where switching and circuit protection are critical.
With a notable interrupt rating of 14 kAIC at 480 VAC, this breaker can withstand significant fault currents, safeguarding both equipment and personnel. Installation is facilitated through a bolt-on mounting mechanism, ensuring secure attachment and operational stability. The maximum wire size that can be accommodated by this device is 1/0 AWG, allowing for substantial connections. Additionally, it conforms to safety standards established by UL, CSA, and HACR, assuring compliance with recognized industry regulations.
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