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The Siemens B345HH is a molded case circuit breaker featuring a robust design for efficient electrical management. This model operates at a current rating of 45 Amperes and can handle a voltage of 240V AC in a three-phase system.
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| Manufacturer | Siemens |
|---|---|
| Product Type | Molded Case Circuit Breaker |
| Product Line | SpeedFax |
| Part Number | B345HH |
| UPC | 783643306363 |
| Output Connection | Load Side Lug |
| Minimum Conductor | #8 AWG |
| Maximum Conductor | #4 AL / #6 CU |
| Operational Control | Toggle Handle |
| Rated Current | 45 A |
| Operating Voltage | 240V AC |
| Pole Configuration | 3-Pole |
| Electrical Phase | 3-Phase |
| Panel Connection | Bolt-On |
| Trip Unit Style | Fixed |
| Short Circuit Capacity | 65 kA |
| Trip Technology | Thermal-Magnetic |
| Ambient Condition | Up to 40 °C |
The B345HH from Siemens, belonging to the SpeedFax series, serves as a molded case circuit breaker engineered for high performance. This unit operates efficiently with a rated current capacity of 45 A and an operating voltage of 240V AC. Designed for a three-phase electrical system, it includes a 3-pole configuration to meet the demands of diverse applications.
The output connection features a load side lug, enabling reliable electrical connections. A toggle handle enables straightforward operational control, ensuring ease of use during operation. The trip unit is designed as a fixed style, enhancing the circuit breaker's reliability in fault conditions.
With an impressive short circuit capacity rated at 65 kA, this circuit breaker utilizes thermal-magnetic technology for optimal protection against overloads and shorts. It allows for various conductor sizes, handling a minimum of #8 AWG and up to a maximum of #4 aluminum or #6 copper. The panel connection is designed for bolt-on installation, facilitating secure and efficient setup in various panel configurations.
The Siemens B345HH is suitable for environments with ambient temperatures reaching up to 40 °C, making it compatible with a range of operational settings. Through its combination of durability and functionality, this molded case circuit breaker is suitable for both commercial and industrial applications.