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Siemens SpeedFax B390H

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B390H

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The Siemens B390H, categorized as a molded case circuit breaker, features a robust design and thermal magnetic functionality. It supports a 90 A amperage rating and operates at 240 VAC, making it suitable for various industrial applications.

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Technical specifications for B390H

ManufacturerSiemens
Product TypeMolded Case Circuit Breaker
Product LineSpeedFax
Part NumberB390H
UPC783643264069
Breaker TypeThermal Magnetic
Poles3 Poles
Trip FunctionsLong Time & Instantaneous
Phase3-Phase
Connection TypeBolt-On
Ampere Rating90 A
Terminal ConnectionLoad Side Lug
Voltage Rating240 VAC
Mounting TypeBolt-On
Interrupting Rating22 kAIC at 240 VAC
Actuator TypeToggle

The B390H model from Siemens belongs to the SpeedFax series and is engineered as a molded case circuit breaker, ideal for protecting electrical circuits in industrial settings. It operates efficiently with a thermal magnetic breaker design, combining thermal and magnetic protection mechanisms. Designed for three-phase applications, this circuit breaker incorporates three poles to efficiently manage load distributions.

It boasts a current rating of 90 A, allowing for significant load handling capabilities within the electrical system it services. The device is rated for a maximum voltage of 240 VAC, supporting its suitability for high-power applications. The interrupting rating is 22 kAIC at 240 VAC, which ensures reliability and safety by enabling it to withstand short circuit conditions effectively.

Installation is performed using a bolt-on connection type, securing the breaker within the panel or system where it is employed. The terminal connection is made on the load side using lugs, which facilitates reliable and robust connections. The breaker is also equipped with a toggle actuator that allows for straightforward operation, ensuring that users can easily reset or switch the unit as needed. Overall, the design and specifications of the Siemens B390H make it a dependable choice for a variety of industrial power distribution applications.