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BR320ST
The BR320ST thermal magnetic circuit breaker from Eaton Cutler-Hammer is engineered for three-phase applications, offering robust protection in loadcenters specifically compatible with BR series. Rated for 20 A and designed with a unique plug-on mount, it includes a shunt trip feature for added versatility.
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Technical specifications for BR320ST
| Manufacturer | Eaton Cutler-Hammer |
|---|---|
| Product Type | Thermal Magnetic Circuit Breaker (MCCB) |
| Product Line | BR Circuit Breakers |
| Part Number | BR320ST |
| UPC | 786676003360 |
| Frame Type | BR Frame |
| Loadcenter Compatibility | Type BR Loadcenters |
| Phase Type | 3-phase |
| Wire Size Range | #14–4 AWG Cu/Al |
| Mounting Method | Plug-on |
| Special Feature | Shunt trip included |
| Trip Type | Common breaker trip |
| Trip Unit Type | Thermal-Magnetic |
| Frequency Rating | 50/60 Hz |
| Interrupting Rating | 240 Vac: 10 kAIC |
| Voltage Rating (AC) | 240 V - 240 V |
| Rated Current | 20 A |
| Number of Poles | 3 Poles |
The Eaton Cutler-Hammer BR320ST is a thermal magnetic circuit breaker designed for effective protection in electrical systems. This particular model is suitable for use with Type BR loadcenters and features a 3-phase configuration. Its rated current is 20 A, making it ideal for a variety of applications where efficient electrical management is necessary.
This circuit breaker has a frame type classified as BR, which aligns with the specific requirements of Type BR loadcenters. The mounting method is a plug-on style, facilitating straightforward installation and maintenance. Wire sizes accommodated by this device range from #14 to #4 AWG for both copper and aluminum wiring, offering flexibility in installation options.
The BR320ST is equipped with a shunt trip feature that enhances its operational capabilities. The trip unit is thermal-magnetic, providing reliable protection against overloads and short circuits. This circuit breaker operates effectively at a frequency rating of either 50 or 60 Hz, ensuring compatibility with standard electrical systems. Its interrupting rating at 240 VAC is an impressive 10 kAIC, enabling it to handle significant fault conditions safely. Overall, the BR320ST serves as a dependable solution for modern electrical distribution while ensuring user safety and system integrity.
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