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The Eaton Cutler-Hammer CHB370 is a thermal magnetic circuit breaker designed for 3-phase applications. Rated for 70 A and 240 V, it offers reliable protection and can accommodate a wire size of #14 to #8 AWG.
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| Manufacturer | Eaton Cutler-Hammer |
|---|---|
| Product Type | Thermal Magnetic Circuit Breaker |
| Product Line | CH Loadcenters and Circuit Breakers |
| Part Number | CHB370 |
| UPC | 782113112657 |
| Voltage Rating | 240 V - 240 V |
| Amperage Rating | 70 A |
| Number of Poles | Three Poles |
| Interrupt Rating | 10 kAIC |
| Wire Size | #14-8 AWG |
| Trip Type | Thermal-Magnetic |
| Mounting Type | Bolt-on |
| Terminal Type | Box Lug Terminals |
| Handle Type | Standard Rocker/Actuator Handle |
| Phase | 3-Phase |
| Casing Material | Molded Plastic / Thermoset Housing |
| Temperature Rating | 60–75 °C |
| Certification | UL 489 |
The CHB370 model from Eaton Cutler-Hammer represents a thermal magnetic circuit breaker engineered for safe electrical management. Operating at a voltage of 240 V, it carries an amperage rating of 70 A and is designed for three-phase systems. This circuit protector includes three poles, each equipped to handle significant current loads.
With an interrupt rating of 10 kAIC, the CHB370 is capable of interrupting faults effectively. The unit supports wire sizes ranging from #14 to #8 AWG, creating flexibility for different installation needs. The trip functionality combines both thermal and magnetic features, enhancing its protective capabilities against overloads and short circuits.
The circuit breaker is bolted into place, utilizing box lug terminals for robust connections. Operating temperatures range between 60 to 75 °C, ensuring that the device remains functional in various conditions. The rocker/actuator handle provides straightforward operation for users. Constructed from molded plastic and thermoset materials, this breaker is built to endure while receiving UL 489 certification for quality assurance.