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A Hager single pole RCBO sits inside a switchboard and protects one single-phase final subcircuit. Each device packs earth leakage detection and overcurrent protection into a slim DIN rail module. Switchboard layout, RCBO selection, and final connection must be handled by a licensed electrician under AS/NZS 3000.
RCBO stands for residual current breaker with overcurrent protection. It bundles three functions into one device: earth leakage detection, thermal overload protection, and magnetic short-circuit tripping. Australian switchboards use these modules across residential, commercial, and light industrial sites. The format clips onto standard DIN rail and replaces the older pairing of a separate MCB and an upstream RCD.
The earth leakage element senses imbalance between active and neutral conductors and trips when leakage current crosses the sensitivity threshold. The thermal element responds to sustained overload conditions on the active conductor. The magnetic element trips fast on short circuits and high fault currents. For most final subcircuits in Australian homes, the standard personal protection threshold is 30mA.
A standard circuit breaker or MCB only handles overload and short circuits. A standalone RCD only handles earth leakage. An RCBO does both jobs in one slot. That cuts distribution board complexity and means one circuit fault trips only that circuit, not a group.
Buyers often see the terms single pole, single pole and neutral (1P+N), and double pole on RCBO listings. The pole configuration controls which conductors the device switches and protects. Picking the wrong format leads to compliance and switchboard layout issues, so the pole choice should be confirmed before ordering.
A single pole RCBO switches and protects the active conductor of the circuit. The neutral is handled through the neutral bar or built into the device, depending on the model. Single pole devices are common across standard MEN-earthed single-phase final subcircuits. They take up minimal DIN rail width, which helps when retrofitting older boards with limited space.
A double pole RCBO disconnects both the active and the neutral conductors when it trips. This is used in selected applications and where a project design or specification calls for it. The correct pole configuration depends on the circuit type, the earthing arrangement, and any specific safety requirements. Confirm the pole format with a licensed electrician or with the project documentation.
Single pole Hager RCBOs are typical for lighting, general power, small appliance, and many light commercial final subcircuits. The right choice depends on the circuit type, earthing arrangement, fault level, and any compliance requirements set by the project. Some special installations and equipment categories may need a different protection format.
Hager single pole RCBOs come in a range of current ratings, trip curves, sensitivity levels, and breaking capacities. Understanding the variables makes it easier to filter the product list and order with confidence. Final selection should always be based on circuit design data, not on rules of thumb.
Hager single pole RCBO ratings include common values such as 6A, 10A, 16A, 20A, 25A, and 32A, with higher commercial options available across the broader range. The RCBO rating must suit the circuit design current and the cable capacity. Oversizing an RCBO to stop nuisance tripping is unsafe and is not compliant with the wiring rules.
A C curve RCBO is the standard choice for most lighting and general power circuits. A D curve RCBO suits higher inrush loads such as motors, compressors, and transformers, where the design calls for it. The trip curve must be matched to the load characteristics, otherwise the breaker may trip on normal switch-on or fail to trip on a genuine fault.
30mA is the standard personal protection sensitivity for most final subcircuits in Australia. A 10mA sensitivity may be used in higher-risk or medical-related applications where the design requires it. A 100mA RCBO generally serves equipment or fire protection rather than personal protection, and must be selected by a competent designer based on the installation.
Breaking capacity is the maximum prospective short-circuit current the device can safely interrupt. A 6kA breaking capacity is common across many residential applications. A 10kA breaking capacity is relevant where higher fault levels exist, such as larger commercial sites. Always check the board design, fault level, and project documentation before ordering.
RCBOs are classified by the residual current waveform they can detect. The classification matters more today than it did a decade ago, because modern homes and commercial premises run far more electronic equipment than older installations. Type A is now the practical default for many final subcircuits.
A Type A RCBO detects AC residual current and also pulsating DC residual current. A Type AC RCBO detects AC residual current only. Type AC is less suitable for many modern electronic loads. Check current Australian requirements and the project specification before selecting between the two types.
Type B RCBOs are used where smooth DC residual current may occur. This includes some EV charger and inverter-related applications. Not every circuit needs Type B protection. The need depends on the connected equipment and the manufacturer specification. For EV charging or solar setups, refer to the equipment installation manual.
Induction cooktops, washing machines, dishwashers, heat pumps, LED drivers, and inverter-driven equipment can generate leakage waveforms that older RCD designs were not built to detect. Selecting Type A protection helps the device respond reliably to those waveforms. The aim is correct detection, not extra sensitivity beyond what the standard requires.
Australian wiring rules and product standards set the baseline for RCBO selection, installation, and testing. The page does not replace those documents and does not constitute legal or compliance advice. The notes below are general guidance for electricians and informed buyers working from current project specifications.
The Australian wiring rules require RCD protection across relevant final subcircuits in modern installations. RCBOs are widely used in new and upgraded switchboards because they provide individual circuit protection. For exact clause coverage, refer to the current edition of AS/NZS 3000 and any local supplementary requirements.
RCBOs sold for use in Australia should be compliant with the relevant Australian and New Zealand product standards, including AS/NZS 61009. Look for RCM marking and source from reputable Australian supply chains. Non-compliant imports can create safety, insurance, and inspection problems later on, even when the unit price looks attractive.
Hager RCBOs must be installed, tested, and commissioned by a licensed electrician. Commissioning includes correct RCD testing and the relevant installation documentation. Unsafe DIY wiring inside a live switchboard is illegal in Australia. Sparky Direct supplies the products; the licensed electrician handles installation and certification.
Hager designs its single pole RCBOs to work with the Hager switchboard ecosystem and standard DIN rail formats. The practical benefit is faster switchboard builds, neater wiring, and a consistent component family that supports ongoing maintenance work.
The 18mm single-module DIN rail format is space-efficient. Each RCBO fits one DIN rail position. That matters in retrofit boards, residential upgrades, and high-density circuit schedules where every module of width counts. The format also keeps line and load connections accessible during testing and fault-finding.
The Hager Onekonekt insulated busbar system reduces link wiring and improves board neatness. Compatibility should be confirmed against the exact Hager RCBO model and the target board. For electricians handling repeat switchboard builds, the busbar approach saves time and produces a consistent finish.
Hager single pole RCBOs are designed to sit inside Hager enclosures, domestic switchboards, and commercial panelboard systems where applicable. Using matched components from the same manufacturer simplifies fit-out and parts management. For broader options, browse electrical enclosures and pin and fork switchboard busbars.
Hager single pole RCBOs cover the bulk of single-phase final subcircuits in Australian buildings. Use cases below are typical, not exhaustive, and the final decision depends on the circuit design.
Typical residential circuits include lighting, general power, kitchen power, laundry, outdoor outlets, hot water, and air conditioning. Using one Hager single pole RCBO per circuit means a fault on one circuit does not knock out unrelated circuits. Planning for upgrades should account for available DIN rail space inside the existing electric switchboard.
Hager single pole RCBOs are used across offices, shops, hospitality venues, schools, amenities, and light commercial tenancies. Individual RCBO protection supports faster fault isolation and reduces disruption when one circuit trips. Commercial designs may require higher breaking capacity or a different trip curve depending on the connected loads and the prospective fault current.
Bathrooms, laundries, external outlets, pool equipment areas, and service zones all sit in higher-risk categories under the wiring rules. Environmental conditions, IP-rated equipment, and the broader circuit design influence which protection device suits each location. Consult a licensed electrician for circuits supplying wet or outdoor areas.
A short pre-purchase checklist makes online ordering faster and reduces the risk of returns or rework. The list below covers the main variables. Match each item against the project specification or the electrician's instructions before placing the order.
Match the RCBO current rating to the circuit design current and to the installed cable capacity. Appliances with higher inrush, such as motors or transformers, may need a D curve rather than a standard C curve. Selecting a larger RCBO simply to stop nuisance tripping is unsafe and is not compliant. Resolve the underlying cause instead.
The key technical checks are Type A or Type B, C curve or D curve, 30mA or 10mA or 100mA sensitivity, and 6kA or 10kA breaking capacity. Project documentation and electrician assessment should drive these details. Always check the product datasheet against the design specification before purchase.
RCBOs, busbars, and the switchboard system should be mechanically and electrically compatible. Hager Onekonekt compatibility is worth checking when the existing board is part of the Hager family. Buying from reputable Australian suppliers makes sure you receive genuine stock with the documentation needed for compliance and warranty support.
The Australian RCBO market includes several established brands. The notes below outline how Hager compares on practical points that matter to electricians and informed buyers, without declaring one brand universally better than another.
Hager and Clipsal RCBOs each suit different switchboard ecosystems. Hager runs on the Onekonekt busbar and Hager board family. Clipsal RCBOs by Schneider Electric run on the MAX9 and Resi MAX busbar systems. Electricians often choose based on the existing board, the preferred busbar system, stock availability, ratings, and installer familiarity.
Compared against generic or unbranded imports, Hager offers compliance documentation, technical support, warranty cover, consistent ratings, and reliable Australian supply. Safety-critical components should not be selected purely on the cheapest upfront price. Compliant products from a reputable supply chain reduce inspection risk and warranty hassles.
Value on RCBOs comes from compliant ratings, installation efficiency, stock availability, and long-term support, not just the headline price. Bulk ordering, project quantities, and using a consistent device family for maintenance work all factor into the real cost. Sticking with one brand family across a board often saves time on later service calls.
Buying Hager single pole RCBOs online in Australia is straightforward when the technical details are confirmed before order placement. Sparky Direct stocks the Hager single pole RCBO range and ships Australia-wide, with no trade account required to order.
Confirm the model number, amperage, trip curve, residual current type, sensitivity, breaking capacity, and busbar compatibility before checkout. Check stock availability and dispatch expectations before booking switchboard work, especially for larger orders. Verify the supplier provides genuine, Australian-compliant products with the relevant documentation.
Online electrical wholesalers such as Sparky Direct support electricians, sole traders, builders, and informed buyers without requiring a traditional counter-based trade account. Transparent pricing, posted stock availability, and Australia-wide dispatch make procurement practical for one-off jobs as well as repeat builds.
Pair Hager single pole RCBOs with related items from across the circuit protection range. Sparky Direct also stocks single pole circuit breakers, safety switches, surge protection devices, solar circuit breakers, and the wider Hager Electrical brand range. For applications outside RCBO scope, browse power points, light switches, and the lighting range.
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Hager all the way! Especially in domestic, Hager offers the best circuit protection set up in my opinion. Single phase & three phase bus bar is so easy to install with this switch gear and these new RCBO’s that are suitable to test from the terminals are Great!!!
Bought a few of these for some extra wiring that was being done. Easy to fit in the board and enough wire to fit in most normal sized boards. The price was pretty good, so a win-win all round.
These RCBO’s are great products, easy to work with having a neutral tail already and the option for a Hager Busbar as well as terminals for cables on the bottom
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