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The Siemens B390H00S01 from the SpeedFax series is a molded case circuit breaker designed for three-phase applications. With a rated current of 90 A and operating voltages of 120/240 VAC, it provides both long-time and instantaneous protection in a compact B frame design.
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| Manufacturer | Siemens |
|---|---|
| Product Type | Molded Case Circuit Breaker |
| Product Line | SpeedFax |
| Part Number | B390H00S01 |
| UPC | 783643269026 |
| Rated Current | 90 A |
| Rated Voltage | 120/240 VAC |
| Frame Type | B Frame |
| Connection Type | Bolt-on Connection |
| Protection Type | Thermal Magnetic |
| Functions | Long Time and Instantaneous Trip |
| Terminal Connection | Load Side Lug |
| Number of Poles | 3 Poles |
| Phase Type | 3 Phase |
| Installation Altitude | 1000 MSL |
The B390H00S01 molded case circuit breaker by Siemens in the SpeedFax series offers reliable circuit protection in demanding operational environments. It is engineered to handle a rated current of 90 A and is suitable for voltages of 120/240 VAC, making it versatile for various applications. This breaker is built with a B frame configuration, which optimizes its space efficiency while ensuring robust performance.
In terms of construction, the B390H00S01 features a three-pole design, catering to three-phase power systems. The breaker employs a thermal magnetic protection mechanism that facilitates both long-time and instantaneous trip functions, providing enhanced safety against electrical faults.
The load side is connected using lugs for secure wiring, while installation is simplified with a bolt-on connection type that ensures a sturdy attachment. This particular circuit breaker is rated for installation at altitudes up to 1000 meters above mean sea level, ensuring effective operation in a range of environmental conditions. Overall, the Siemens B390H00S01 is a dependable choice for maintaining circuit integrity in industrial and commercial settings.