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Siemens SpeedFax BQ3B080

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BQ3B080

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The Siemens BQ3B080 is a thermal magnetic molded case circuit breaker designed for 3-phase operations. This breaker is rated at 80 amps and features a voltage rating of 240 volts, making it suitable for panelboard applications.

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Technical specifications for BQ3B080

ManufacturerSiemens
Product TypeMolded Case Circuit Breaker
Product LineSpeedFax
Part NumberBQ3B080
UPC783643161283
Poles3 Poles
Trip FunctionsLong-time and Instantaneous
Max Wire SizeAWG 1/0
Interrupt Rating10 kAIC at 240 V
Phase Type3-Phase
Rated Current80 A
Mounting TypeBolt-On
Voltage Rating240 V
Terminal ConnectionLoad Side Lug
Protection TypeThermal Magnetic
Standards ComplianceUL, CSA, HACR
ApplicationPanelboards
Actuator TypeToggle
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The BQ3B080 from Siemens belongs to the SpeedFax series of molded case circuit breakers. It operates within a 3-phase configuration and is rated for 80 A of current at a maximum voltage of 240 V. The device supports both long-time and instantaneous trip modes, offering robust protection for connected circuits.

For handling significant short-circuit situations, the circuit breaker features an interrupting capacity of 10 kAIC at 240 V, ensuring safe operation during faults. The BQ3B080 is compatible with wiring up to 1/0 AWG, facilitating versatile installations. Its design allows for bolt-on mounting, and it connects using load side lugs for secure and effective electrical connections.

The breaker complies with industry standards, including UL, CSA, and HACR, ensuring reliability and safety for use in panelboards. The actuator type is a toggle, allowing for user-friendly operation and control. The thermal magnetic protection type guarantees effective circuit management against overloads and short circuits.