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Learn more by watching our HAGER ADC920T | 20Amp 6 kA Single Pole RCBO video.
The Hager ADC920T is a Residual Current Breaker with Overcurrent Protection.
The product was designed to meet new wiring regulations to minimise injuries related to electric shock.
The slimline device is also commonly referred to as a single pole combo and was developed to maximise space in domestic switchboards and load centres.
The Hager 20 Amp Rcbo also saves time and money on installation. As both line and load terminals are non sensitive, rewiring is not required if replacing an alternative brand.
This is a single pole MCB/RCD combination - It only takes up the space of 1 module in a switchboard or sub board.
Extra Space when Wiring as compared to the ADC3XXT range: Reduced height allows more wiring space in the enclosure (up to 20% extra in Golf Enclosures)
Electrically Bi-directional
Switched Neutral
Insulation Resistance test is faster to perform
Built in fault trip indicator
It's reduced size makes it a perfect replacement for an MCB
Features:
Switched Neutral Applications:
Accommodate the requirement for switched neutral applications with a smaller footprint.
Examples include: - Construction sites (temporary boards) - Transportable structures (demountable, caravans, motorhomes etc) - Patient areas - Shows and carnivals - EVCS - Solar (PV) installations
(ADC920T)
The ADC920T is certified to AS/NZS 61009.1, the Australian and New Zealand standard for combined residual current and overcurrent protection devices. It is rated for use on final subcircuits in installations wired to AS/NZS 3000. Hager publishes the product datasheet at hager.com/au, which lists the certification details and test approvals in full.
A licensed electrician must install the ADC920T. The unit sits on the DIN rail inside a switchboard and connects to active and neutral conductors at mains voltage. Australian electrical safety law restricts switchboard work to licensed electrical workers, regardless of whether the property is owner-occupied or rented.
The ADC920T uses the biconnect bottom terminal, which lands directly on the Hager Onekonekt single-phase pin busbar. This removes the need to wire each RCBO individually to the active and neutral bars. The KDN180A 12-pole Onekonekt busbar is the common pairing on a single-phase domestic board.
Type A devices detect both AC residual currents and pulsating DC residual currents. Modern electronic loads, including LED drivers, switch-mode power supplies, and many household appliances, produce pulsating DC leakage that a Type AC device will not see. Type A is the default RCD class for general final subcircuits in current Australian wiring practice.
The ADC920T is rated for 10,000 electrical operations and 20,000 mechanical operations under the Hager datasheet. This is typical endurance for a domestic and light commercial RCBO and well beyond the in-service operating frequency of a final subcircuit breaker, which trips only on fault conditions.
Hager covers the ADC920T under its standard manufacturer warranty against defects in materials and workmanship. Sparky Direct passes warranty claims through to Hager Australia on the buyer's behalf when proof of purchase is provided. Current warranty terms are published on the Hager Australia website.
The KDN180A 12-pole Onekonekt busbar fits the ADC920T and other single-module ADC9 series RCBOs on a single-phase board. Hager publishes the full Onekonekt range on hager.com/au, including longer busbars for higher-density installations and three-phase variants where the chassis needs them.
Avoid EV charging circuits and solar PV inverter circuits with DC-side components, which need a Type B RCBO to handle smooth DC residual currents. Avoid installations where prospective fault current exceeds 6 kA; those need a higher breaking capacity device. The ADC920T is also single-phase only and cannot protect three-phase loads.
100-Day Fuss-Free Returns
We want you to love what you buy—but if you change your mind, that’s okay too. That’s why Sparky Direct offers a 100-day money-back guarantee.
If your item isn’t in its original condition, please contact us before returning it—we might save you time and money.
All products come with a manufacturer’s or supplier’s warranty
Damaged or Faulty Goods
If your order arrives damaged or is faulty, let us know within 24 hours.
Contact us via our chat to arrange the return.
Exclusions
We can’t accept returns for:
How to Request a Return
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 | ADC920T |
| Model # | ADC920T |
| Barcode # | 3250611033363 |
| Package Weight | 0.160kg |
| Package Width | 0.150m |
| Package Height | 0.035m |
| Package Length | 0.075m |
| TYPE | VALUE |
|---|---|
| Type | Circuit Protection |
| Brand | Hager Electrical |
| Rated Current (A) | 20 |
| Height (mm) | 85 |
| Width (mm) | 18 |
| Depth (mm) | 77 |
| Standards | AS/NZ 61009-1 |
| Mounting | Din Rail |
| Curve | C |
| Voltage (V) | 240V |
| Earth Leakage Protection Class | Type A |
| Earth Leakage Sensitivity | 30mA |
| Box increments (This item is sold individually) | 54 |
| Residual Current | 30mA |
| Breaking Capacity | 6kA |
| Overcurrent trip characteristic | C Curve |
| Earth Fault Wave Form | Type A |
| IP Rating | IP20 ( IP40 Enclosed ) |
| Number of Poles | 1P+N |
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.
Tools sold by Sparky Direct must be used safely and in accordance with the manufacturer’s instructions. Customers are responsible for ensuring they have the necessary knowledge and competence to operate any tool purchased. If you are unsure how to safely or correctly use a tool, do not use it and seek guidance from the manufacturer or a suitably qualified professional.
Nothing in this clause limits or excludes any rights or guarantees available under the Australian Consumer Law.
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