Schneider Electric A9F92420 is identified with the alternate description 1861345. This miniature circuit breaker (MCB) is designed to provide protection against overload and short circuit conditions, boasting a current rating of 20 A and a voltage rating of 400 V. It is part of the Acti9 series, known for its high performance and reliability in residential, commercial, and industrial electrical distribution systems. Typical applications include safeguarding electrical circuits in lighting, heating, and small motor installations, ensuring optimal performance and longevity of electrical components. The A9F92420 features a robust construction that adheres to precise engineering standards, making it suitable for integration into modern electrical infrastructures.
| Type |
Circuit breaker |
| Current Rating |
20a |
| Voltage Rating - AC |
400V AC |
| Tripping Characteristics |
Z |
| Additional equipment possible |
true |
| Ambient temperature during operating |
-35 - 70°C |
| Built-in depth |
44.5mm |
| Colour |
White |
| Concurrently switching neutral conductor |
false |
| Connectable conductor cross section multi-wired |
1 - 16mm² |
| Connectable conductor cross section solid-core |
1 - 25mm² |
| Content |
1 |
| Current limiting class |
3 |
| Degree of protection (IP) |
IP20 |
| Dimensions |
(L x W x H) 78.5 x 72 x 85 mm |
| Explosion-proof |
false |
| Flush-mounted installation |
false |
| Frequency |
50 - 60Hz |
| Height |
85mm |
| Length |
78.5mm |
| Nominal Current |
20A |
| Nominal current - rounded value |
20A |
| Nominal Voltage |
400V |
| Number of pins |
4 |
| Number of poles (total) |
4 |
| Number of protected poles |
4 |
| Overvoltage category |
4 |
| Pollution degree |
3 |
| Power loss |
N/A |
| Product Type |
Circuit breaker |
| Rated current |
20A |
| Rated impulse withstand voltage Uimp |
6kV |
| Rated insulation voltage Ui |
500V |
| Rated short-circuit breaking capacity Icn according to EN 60898 at 230 V |
N/A |
| Rated short-circuit breaking capacity Icn according to EN 60898 at 400 V |
15kA |
| Rated short-circuit breaking capacity Icu according to IEC 60947-2 at 230 V |
50kA |
| Rated short-circuit breaking capacity Icu according to IEC 60947-2 at 400 V |
25kA |
| Rated voltage |
400V |
| Voltage type |
AC/DC |
| Width |
72mm |
| Width in number of modular spacings |
4 |
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