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Siemens BQD Series BQD370

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BQD370

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The BQD370 is a molded case circuit breaker from Siemens' BQD Series. It is rated for a continuous current of 70 A with a voltage capacity of 277/480 VAC, suitable for 3-phase applications.

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Technical specifications for BQD370

ManufacturerSiemens
Product TypeMolded Case Circuit Breaker
Product LineBQD Series
Part NumberBQD370
UPC783643277434
Rated Current70 A
Color TypeBlack
Connection TypeLow Tab Connection
Min. Frequency50 Hz
Max. Frequency60 Hz
Interrupt Rating at 480 VAC14 kA
Number of Poles3 Poles
Phase Type3-Phase
Rated Voltage277/480 VAC
Wire Size8 to 1 AWG, 6 to 1/0 AWG

The Siemens BQD370 circuit breaker offers reliable protection in demanding electrical systems. As a molded case type, it effectively manages a rated current of 70 A and supports both 277 and 480 VAC operating voltages. With three poles, this breaker is configured for use in 3-phase environments, making it suitable for industrial applications. The BQD370 is designed to handle frequencies between 50 and 60 Hz, ensuring compatibility with a variety of power systems.

Its interrupt rating is robust at 14 kA for applications at 480 VAC, providing a layer of safety during fault conditions. Installation is made straightforward with its low tab connection, allowing for secure connections with minimal effort.

When it comes to wiring, the BQD370 accommodates a range from 8 to 1 AWG for copper wiring and 6 to 1/0 AWG for aluminum, making it versatile for different installation setups. Packaged in a sleek black housing, this circuit breaker combines functionality with consideration for workplace aesthetics. The UPC for this product is 783643277434, facilitating easy identification and procurement.