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The Schneider Electric A9F44125 is a single pole miniature circuit breaker rated 25A with a C trip curve, from the Acti9 iC60N Disbo range. The A9F44125 is rated 6000A Icn to EN/IEC 60898-1 and 10kA Icu at 220 to 240V AC to EN/IEC 60947-2. It carries Category A utilisation classification and switches both AC and DC circuits. The breaker occupies two 9mm module pitches and clips onto DIN rail.
At 25A the device usually sits upstream of a sub-board or across a ducted air conditioner and instantaneous water heater. Boards distributing DC control or battery supplies alongside those loads need a breaker certified for both networks. A DC arc has no zero crossing to assist extinction, so the interrupting mechanism must be rated for DC duty. The A9F44125 is rated for AC and DC networks, with DC operation to 72V and a C characteristic that absorbs compressor and motor inrush.
Stocking a single breaker certified for both duties cuts the number of part numbers carried on the van. The A9F44125 mounts on standard DIN rail across two 9mm module pitches, so board layout and switchboard schedules stay unchanged. Terminals accept 25mm² rigid or 16mm² flexible conductor, which lands the heavier tails a 25A circuit brings without an adaptor. The padlocking provision supports isolation before downstream work starts.
The A9F44125 is not a residual current device and provides no earth leakage protection on its own. It is rated IP20, so it must be installed inside a switchboard or enclosure and is not suitable for exposed or wet locations. DC use is limited to 72V, so it should not be fitted to higher voltage DC circuits.
(A9F44125)
Most miniature circuit breakers are rated for AC only. The A9F44125 is rated for AC and DC networks, switching AC to 240V and DC to 72V from the same device. That covers boards carrying battery banks, control supplies or telemetry alongside normal AC subcircuits.
Installing a miniature circuit breaker in a switchboard is licensed electrical work in Australia and must be carried out by a licensed electrician. The breaker clips onto rail, occupies 18mm of chassis width, and terminals are tightened to 2 N.m at the top or bottom connection.
The C curve sets magnetic tripping at eight times rated current, plus or minus 20 percent. On a 25A device that works out at roughly 200A. The curve suits circuits where starting inrush from compressors, pumps, motors or control transformers would nuisance trip a lower curve.
Both figures apply, under different standards. Rated short-circuit capacity is 6000A Icn at 240V AC under EN/IEC 60898-1, the figure Australian switchboard schedules normally quote. Ultimate breaking capacity is 10kA Icu at 220 to 240V AC under EN/IEC 60947-2.
Each terminal accepts a single conductor, top or bottom, from 1 to 25mm2 rigid or 1 to 16mm2 flexible. Wire stripping length is 14mm and tightening torque is 2 N.m for either the top or bottom connection.
The breaker clips onto standard rail and is 18mm wide, which is one pole width on an Australian board. It stands 85mm high and 78.5mm deep. Confirm the board has one spare pole and enough depth behind the escutcheon before ordering.
Schneider Electric publishes a contractual warranty of 18 months on the Acti9 iC60N Disbo, covering manufacturing defects and running from the date of invoice. Installation must be carried out by a licensed electrician, and work carried out by an unlicensed person voids the warranty.
The Acti9 iC60N Disbo provides overload and short-circuit protection only, with no earth leakage function built in. Earth leakage protection comes from a separate block on the board. Where residual current protection is required under AS/NZS 3000, a separate residual current device or a combined unit must be specified.
The Schneider Electric A9F44125 is available online from Sparky Direct, with Australia-wide delivery to any state or territory including regional areas. Sparky Direct is an Australian electrical wholesaler established in 2005, supplying more than 500,000 customers with transparent trade pricing.
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Warranty starts from Invoice Date
Domestic Use: 18 Months
Commercial Use: 18 Months
Warranty Method: Clipsal in home warranty
These specifications and characteristics outline physical, mechanical, electrical details.
| Brand | Clipsal by Schneider Electric |
| SKU | A9F44125 |
| Model # | A9F44125 |
| Barcode # | 3606480513152 |
| Package Weight | 0.108kg |
| TYPE | VALUE |
|---|---|
| Type | Circuit Protection |
| Brand | Schneider Electric |
| Range | Acti9 |
| Colour | White |
| Rated Current (A) | 25 |
| Height (mm) | 85 |
| Width (mm) | 18 |
| Depth (mm) | 78.5 |
| Protection | C Curve |
| Voltage (V) | 240 |
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