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Learn more by watching our HAGER SFT225 | Changeover Switch 2 Pole 25 Amp video.
The Hager SFT225 is a 2-pole changeover switch rated 25 amperes 240V AC. The SFT225 switches a house's electricity supply from mains grid to generator or alternate source, preventing both supplies from feeding the circuit simultaneously. It mounts on DIN rail and complies with AS/NZS 60947-3 standard for manual changeover control.
Generator installations and solar inverter systems require a changeover switch that prevents both power sources from feeding the circuit at once. A manual changeover switch makes this straightforward—the operator switches from grid to generator during an outage, restoring power to the house while keeping the two supplies isolated. This is a standard install for properties with backup generation.
Licensed electricians favour Hager changeover switches for backup power systems because the SFT225 installs fast on standard DIN rail, no special wiring required. Electricians can stock the SFT225 for generator jobs without worrying about variant compliance—it handles 25A circuits across AC21 and AC22 duty classes. Once installed, the switch sits behind the main switchboard, out of sight, and operators switch it during outages without calling the sparky back.
The Hager SFT225 is rated for indoor cabinet-mounted use only and is not suitable for outdoor, damp, or exposed wet locations. It is not designed for high-frequency switching or for loads exceeding 25 amperes. Installation must be carried out by a licensed electrician in compliance with AS/NZS 3000 and local regulations.
Verified Sparky Direct customer reviews: HAGER SFT225 | Changeover Switch 2 Pole 25 Amp (SFT225)
"Great for use in inverter installions makes install a breeze." — Dave
"Great product for generator and normal supply change over switch" — Scott
"Worked as per spec" — Wax
(SFT225)
Yes. This changeover switch complies with AS/NZS 60947-3 and IEC 60947-3 standards. It is suitable for domestic and commercial installations when installed by a licensed electrician.
Yes. Installation of the SFT225 must be carried out by a licensed electrician in compliance with AS/NZS 3000 wiring rules and local authority requirements. The switch mounts on standard 35mm DIN rail in the main switchboard or subboard.
Yes. The SFT225 is rated for AC21 and AC22 duty and switches between grid power and solar battery inverters. Consult the inverter manufacturer's changeover requirements before installation to confirm suitability.
A changeover switch (like the SFT225) has two independent input terminals and switches both between them with a single handle, preventing simultaneous supply. A standard isolator has one input and breaks only one power source. Changeover switches are essential for safe generator or inverter backup systems.
The SFT225 is rated for 25,000 electrical switching cycles under AC21/AC22 duty and 200,000 mechanical operations. In typical backup power use (switching a few times per year during outages), the switch will last many years before requiring replacement.
No. The SFT225 has an IP20 rating and is rated for indoor cabinet-mounted installation only. It is not suitable for outdoor, damp, or splash-prone locations. For outdoor changeover, a weatherproof enclosure with appropriate IP rating would be required.
The Hager SFT225 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: 2 Year
Commercial Use: 2 Year
Warranty Method: Return to Sparky Direct
These specifications and characteristics outline physical, mechanical, electrical details.
| Brand | Hager Electrical |
| SKU | SFT225 |
| Model # | SFT225 |
| Barcode # | 3250615510792 |
| Package Weight | 0.145kg |
| TYPE | VALUE |
|---|---|
| Type | Circuit Protection |
| Brand | Hager Electrical |
| Rated Current (A) | 25 |
| Height (mm) | 83 |
| Width (mm) | 35 |
| Depth (mm) | 70 |
| Standards | AS/NZS 60947-3 |
| Mounting | DIN rail |
| Voltage (V) | 240 |
| Number of Poles | 2 |
| IP Rating | IP20 ( IP40 Enclosed ) |
| Box increments (This item is sold individually) | 1 |
| Curve | C |
| Total Number of modules | 2 |
Electrical and HVAC products sold by Sparky Direct are intended for installation by licensed and appropriately qualified professionals in accordance with applicable Australian Standards and regulatory requirements. Customers are responsible for ensuring that any product purchased, including any related or associated components, is compatible and suitable for their intended installation and application.
Sparky Direct does not provide installation advice and does not assess product suitability for individual circumstances unless expressly confirmed in writing. Customers must confirm correct product selection, compatibility, compliance, and suitability with a licensed or appropriately qualified professional prior to purchase.
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