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HED43B125
The Siemens HED43B125 is a molded case circuit breaker, specifically designed for reliable electrical protection in various applications. It supports a rated current of 125 amps and operates at a maximum voltage of 480 volts AC and 250 volts DC.
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Technical specifications for HED43B125
| Manufacturer | Siemens |
|---|---|
| Product Type | Molded Case Circuit Breaker (MCCB) |
| Product Line | SENTRON |
| Part Number | HED43B125 |
| UPC | 783643210233 |
| Rated Current | 125 Amps |
| Voltage Rating | 480 Volts AC / 250 Volts DC |
| Number of Poles | 3 Poles |
| Frequency Rating | 50/60 Hz |
| Connection Method | Load lug (bolt-on) terminals |
| Wire Size Range (Copper) | 3 AWG to 3/0 AWG |
| Wire Size Range (Aluminum) | 1 AWG to 2/0 AWG |
| Mounting Style | Panel-mounted |
| Interrupt Rating | 42 kA at 480 Volts AC |
| Trip Unit Type | Thermal-magnetic trip unit |
| Frame Size | ED frame |
| Phase | 3-phase |
Designed for industrial setting demands, the Siemens HED43B125 molded case circuit breaker (MCCB) provides essential overcurrent protection. This unit has a frame type categorized as ED and is rated for a current capacity of 125 amps. It can operate under both 480 volts AC and 250 volts DC, offering flexibility for various electrical systems.
Supporting three poles, this device is suitable for use in 3-phase power configurations and operates within a frequency range of 50 to 60 Hz. The breaker incorporates a thermal-magnetic trip unit for precise overload and short-circuit response. This feature enhances the safety and reliability of the electrical circuit.
Installation is straightforward with a panel-mounted style, making it convenient to integrate into existing setups. Load lug connections via bolt-on terminals facilitate easy wiring of conductors. The wire size range varies for different materials, allowing for copper conductors from 3 AWG to 3/0 AWG, and aluminum conductors from 1 AWG to 2/0 AWG.
The interrupt rating for this breaker is noteworthy, rated at 42 kA at 480 volts AC, ensuring that it can effectively handle significant fault currents. The Siemens HED43B125 is a vital component for maintaining electric system integrity and safety, suited to a range of applications where consistent performance is required.
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