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BQD340
The BQD340, a molded case circuit breaker from Siemens' BQD Series, provides reliable overload and short-circuit protection. Designed for panel mounting, this unit supports a voltage rating of 480 VAC for AC applications and 250 VDC for DC applications.
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Technical specifications for BQD340
| Manufacturer | Siemens |
|---|---|
| Product Type | Molded Case Circuit Breaker |
| Product Line | BQD Series |
| Part Number | BQD340 |
| UPC | 783643277397 |
| Mounting Type | Panel |
| Connection Type | Low Tab |
| Wire Size Range | 14–6 AWG (Cu), 12–6 AWG (Al) |
| Actuator Type | Toggle |
| Trip Type | Thermal-Magnetic |
| Frequency Rating | 50/60 Hz |
| Interrupt Rating | 14 kA @ 480 VAC |
| Voltage Rating | |
| Frame Size | L-Frame |
| Amperage Rating | 40 A |
| Phase Configuration | 3 Phase |
| Number of Poles | 3 Poles |
The Siemens BQD340 is a molded case circuit breaker specifically engineered for effective circuit protection. This component operates at a voltage rating of 480 VAC for alternating current and 250 VDC for direct current applications. This breaker is suitable for panel installation and uses a low tab connection type for easy wiring, equipping it with flexibility for different setups.
The BQD340 is rated at 40 amperes and utilizes a thermal-magnetic trip mechanism, which ensures reliable disconnection in the event of overloads or short circuits. Its design allows for wire size compatibility in the range of 14 to 6 AWG for copper conductors and 12 to 6 AWG for aluminum conductors.
With a robust interrupt rating of 14 kA at 480 VAC, this unit is capable of handling significant fault currents, providing enhanced safety. Featuring three poles, the BQD340 is suitable for 3-phase configurations, making it effective for a variety of industrial applications. The actuator type is toggle, allowing for straightforward manual operation, and it operates efficiently within a frequency range of 50/60 Hz. Overall, the BQD340 is designed for high performance and reliability in an array of electrical systems.
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