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BQD270
The Siemens BQD270 is a molded case circuit breaker designed for various electrical applications. This unit is rated for 70 A and operates effectively at voltages of 480Y/277 VAC for AC and 125/250 VDC for direct current systems.
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Technical specifications for BQD270
| Manufacturer | Siemens |
|---|---|
| Product Type | Molded Case Circuit Breaker |
| Product Line | BQD Series |
| Part Number | BQD270 |
| UPC | 783643277304 |
| Rated Voltage (AC) | 480Y/277 VAC |
| Rated Voltage (DC) | 125/250 VDC |
| Number of Poles | 2 Poles |
| Trip Type | Thermal Magnetic |
| Frame Type | BQD Frame |
| Rated Current | 70 A |
| Interrupting Rating | 14 kA at 480 V AC |
| Operating Humidity | 80% (non-condensing) |
| Installation Altitude | 1000 MSL |
| Storage Humidity | 80% (non-condensing) |
The Siemens BQD270 circuit breaker is a molded case type unit engineered for enhanced safety in electrical circuits. It operates efficiently at a rated current of 70 A and is compatible with both alternating current and direct current applications, rated at 480Y/277 VAC and 125/250 VDC respectively.
Designed with two poles, this circuit breaker utilizes a thermal magnetic trip to effectively safeguard circuits against overloads and short circuits. The BQD270 stands out with an interrupting rating of 14 kA at 480 V AC, allowing it to handle fault conditions without compromise.
This unit features a BQD frame and is rated for operation in conditions where humidity reaches up to 80% non-condensing. For installation purposes, it is rated for a maximum altitude of 1000 meters above sea level, ensuring reliable functionality in various environments. Similar conditions apply for storage, maintaining the same humidity level to protect the unit prior to installation.
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