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The Siemens QA120AFC is a compact miniature circuit breaker designed for reliable circuit protection. It is rated for a maximum current capacity of 20 Amperes, with an operational voltage of 120 Volts AC, making it suitable for various applications.
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| Manufacturer | Siemens |
|---|---|
| Product Type | Miniature Circuit Breakers |
| Product Line | Q Series |
| Part Number | QA120AFC |
| UPC | 887621216252 |
| Weight | 1.00 lbs (0.45 kg) |
| Pole | 1 Pole |
| Rated Current | 20 A |
| Voltage Rating | 120 Volts AC |
| Interrupting Capacity | 10 kA |
| Enclosure Rating | NEMA 1/3R |
| Frequency | 60 Hz |
| Mounting | Plug-on |
| Frame Type | QAF2 frame |
| Terminal Type | Load side lug terminal |
| Operating Temperature Range | 40°C |
| Trip Range | LI thermal‑magnetic |
| Wire Size | 14 AWG |
The Siemens QA120AFC falls under the Q Series and represents a reliable miniature circuit breaker option. This device has a single pole configuration and can handle a rated current of 20 A. It operates with a voltage rating of 120 Volts AC, making it suitable for a variety of applications that require circuit protection within this range.
With an interrupting capacity of up to 10 kA, the breaker effectively manages overcurrent situations, ensuring the safety of connected electrical systems. It features a thermal-magnetic trip mechanism as part of its LI trip range, allowing for accurate and timely tripping during fault conditions.
This unit comes with a NEMA 1/3R enclosure rating which offers protection against limited dust and water contact, enhancing its suitability for various installations. Designed for plug-on mounting, the QA120AFC integrates easily into existing setups and features a QAF2 frame type for added versatility.
The load side lug terminal type allows for straightforward wiring, and it accommodates a wire size of 14 AWG. The dimensions of this breaker are 6.25 inches in length, 1 inch in width, and 3 inches in depth, weighing in at just 0.25 pounds. It operates efficiently in environments with an operating temperature of up to 40°C, ensuring consistent performance across a range of industrial and commercial applications.