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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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| Manufacturer | Siemens |
|---|---|
| Product Type | Molded Case Circuit Breaker |
| Product Line | SpeedFax |
| Part Number | B390H |
| UPC | 783643264069 |
| Breaker Type | Thermal Magnetic |
| Poles | 3 Poles |
| Trip Functions | Long Time & Instantaneous |
| Phase | 3-Phase |
| Connection Type | Bolt-On |
| Ampere Rating | 90 A |
| Terminal Connection | Load Side Lug |
| Voltage Rating | 240 VAC |
| Mounting Type | Bolt-On |
| Interrupting Rating | 22 kAIC at 240 VAC |
| Actuator Type | Toggle |
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.