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NGB2B080B
The Siemens NGB2B080B is a molded case circuit breaker designed specifically for safe and reliable electrical protection. Rated at 80 A, it operates effectively in three-phase systems for voltages up to 600Y/347 V AC.
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Technical specifications for NGB2B080B
| Manufacturer | Siemens |
|---|---|
| Product Type | Molded Case Circuit Breaker |
| Product Line | VL Series |
| Part Number | NGB2B080B |
| UPC | 783643414204 |
| Number of Poles | 2 Poles |
| Rated Current (In) | 80 A |
| Maximum Voltage (AC) | 600Y/347 V AC |
| Interrupting Rating | 25 kAIC at 480Y/277V |
| Frequency Rating | 50/60 Hz |
| Trip Unit Type | Thermal-Magnetic |
| Mounting Style | Bolt-On (Low-Tab) |
| Terminal Type | Load lugs included |
| Wire Range (AWG/kcmil) | #8–1/0 AWG Cu/Al |
| Torque Rating for Terminals | 36 lb-in |
The NGB2B080B molded case circuit breaker from Siemens' VL Series is intended for use in both commercial and industrial applications. This device is designed to manage a maximum current of 80 amps and accommodates voltages of up to 600Y/347 volts AC. Its construction includes two poles, which adds versatility in various electrical configurations.
The unit's interrupting capacity is rated at 14 kAIC at 600Y/347V, with an enhanced rating of 25 kAIC at 480Y/277V, making it effective for handling fault conditions safely. Utilizing a thermal-magnetic trip unit type, this breaker ensures reliable disconnection in overload or short-circuit scenarios. The frequency rating supports standard 50/60 Hz operations.
Installation is accomplished through a bolt-on mounting style categorized as Low-Tab, providing a secure fit. Load lugs are integrated for terminal connections, which can accommodate wire sizes ranging from #8 to 1/0 AWG for both copper and aluminum conductors. Recommended torque for these terminals is set at 36 lb-in, ensuring proper electrical performance and safety. Overall, the Siemens NGB2B080B circuit breaker is a robust choice for dependable circuit protection.
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