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Looking to buy the best Circuit Breaker for sale? Get Quotes sends your requirements to expert suppliers in Australia so you get personalised quotes to compare Circuit Breaker prices, specifications, features and terms then choose the one that’s right for you. Also compare servicing, consumables and reviews, so you can buy with confidence.
Circuit Breaker Suppliers
Updated Oct 02, 2025
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Mechtric | Industrial Automation & Control Products
Mechtric is a leading supplier of industrial automation and electrical engineering products, trusted by customers across Australia for over 60 years. From motor control and switchgear to signaling systems and variable speed drives, we deliver smart solutions backed by technical expertise and local support. Our extensive range includes AC/DC motors, servo systems, reduction ...
Mechtric is a leading supplier of industrial automation and electrical engineering products, trusted by customers across Australia for over 60 years. From motor control and switchgear to signaling systems and variable speed drives, we deliver smart solutions backed by technical expertise and local support. Our extensive range includes AC/DC motors, servo systems, reduction ...
Wagner Electronic Services | Electronic Components, AV Integration, Data Centre
Wagner Electronic Services is an independent Australian organisation dedicated to the electronic industry. For the past 25+ years we have maintained a leading reputation of high quality products and accessories to the custom audio visual installation, communications, DATA, consumer electronics, engineering and servicing industries. Our products are sourced globally from ...
Wagner Electronic Services is an independent Australian organisation dedicated to the electronic industry. For the past 25+ years we have maintained a leading reputation of high quality products and accessories to the custom audio visual installation, communications, DATA, consumer electronics, engineering and servicing industries. Our products are sourced globally from ...
Novaris | Global Solutions in Surge Protection
Novaris has designed and manufactured lightning and electrical disturbance protection systems since 1993. We specialise in the protection of power and data signalling. Our products are in use locally, nationally and internationally, and we are now world leaders in lightning and surge protection technology. At our Australian headquarters we operate a full time research and ...
Novaris has designed and manufactured lightning and electrical disturbance protection systems since 1993. We specialise in the protection of power and data signalling. Our products are in use locally, nationally and internationally, and we are now world leaders in lightning and surge protection technology. At our Australian headquarters we operate a full time research and ...
APS Technology Australia Pty Ltd | Industrial Automation & MedTech,Smart Energy
APS Technology Australia is an Australian engineering and technology company delivering innovative solutions for industry, healthcare and infrastructure. We specialise in supplying, integrating and supporting high-quality products that improve productivity, reliability and operational efficiency across a wide range of industries. Our core business includes Industrial Automation, ...
Customers: Dole, DelMonte, Edison Power, Nestle, TeamEnergy
APS Technology Australia is an Australian engineering and technology company delivering innovative solutions for industry, healthcare and infrastructure. We specialise in supplying, integrating and supporting high-quality products that improve productivity, reliability and operational efficiency across a wide range of industries. Our core business includes Industrial Automation, ...
Customers: Dole, DelMonte, Edison Power, Nestle, TeamEnergy
Omron Automation & Robotics | Sensing Solutions & Industrial Automation
At Omron, we deal with our customers on the basis of a trusting relationship. As a world leader in automation control we have a broad capacity to provide systems and solutions using a diverse range of products and components. The Oceania region covers a vast distance incorporating Australia, New Zealand, Papua New Guinea and the islands of the South Pacific. From micro-relays ...
At Omron, we deal with our customers on the basis of a trusting relationship. As a world leader in automation control we have a broad capacity to provide systems and solutions using a diverse range of products and components. The Oceania region covers a vast distance incorporating Australia, New Zealand, Papua New Guinea and the islands of the South Pacific. From micro-relays ...
Circuit Breaker 10 A per channel | S8V-CP0824
4- / 8-channel electronic circuit breakers with adjustable tripping currents from 2 to 10 A
Price Guide: $285
Circuit Breaker 10 A per channel | S8V-CP0824
4- / 8-channel electronic circuit breakers with adjustable tripping currents from 2 to 10 A
Price Guide: $182
Circuit Breaker 3.8 A per channel | S8V-CP0424S
4- / 8-channel electronic circuit breakers with adjustable tripping currents from 2 to 10 A
Price Guide: $533
Micromax | Technology Solutions, Supply & Integration
Micromax Pty Ltd is a long-established Australian technology supplier with over 65 years of continuous operation, specialising in embedded computing, ruggedised systems, medical computing, industrial communications, power solutions, and custom engineering services. The company services critical industries including healthcare, defence, mining, utilities, telecommunications, ...
Customers: Woolworths, Optus, Vodafone, SMEC Australia, Saab Australia, Design to Production
Micromax Pty Ltd is a long-established Australian technology supplier with over 65 years of continuous operation, specialising in embedded computing, ruggedised systems, medical computing, industrial communications, power solutions, and custom engineering services. The company services critical industries including healthcare, defence, mining, utilities, telecommunications, ...
Customers: Woolworths, Optus, Vodafone, SMEC Australia, Saab Australia, Design to Production
Autech Control Group | Automation, Energy Management & Motor Control
Autech Control Group Pty Ltd is a product distributor specialising in industrial/commercial automation, energy management and motor control solutions. We offer Australia wide sales and support from our head office based in Melbourne's southeastern suburbs. We're dedicated to supplying only quality products, at competitive prices, whilst providing exceptional pre and post sales ...
Customers: Automation, Electrical, Solar and Instrumentation
Autech Control Group Pty Ltd is a product distributor specialising in industrial/commercial automation, energy management and motor control solutions. We offer Australia wide sales and support from our head office based in Melbourne's southeastern suburbs. We're dedicated to supplying only quality products, at competitive prices, whilst providing exceptional pre and post sales ...
Customers: Automation, Electrical, Solar and Instrumentation
E-T-A | Circuit Protection & Control
Founded in 1948 and still in private ownership, E-T-A has established itself as market leader in the design, development and manufacture of circuit breakers for equipment protection. These products are suitable for a wide range of applications, and are world-renowned for their quality and reliability - protecting both man and machine. Our product programme also includes highly ...
Founded in 1948 and still in private ownership, E-T-A has established itself as market leader in the design, development and manufacture of circuit breakers for equipment protection. These products are suitable for a wide range of applications, and are world-renowned for their quality and reliability - protecting both man and machine. Our product programme also includes highly ...
GFS Power | DC Power Products and Systems, 12V, 24V, 48V DC
GFS Power is a specialised distributor of power products and systems with manufacturing partners in Europe, Asia and North America. Products, systems and solutions supplied are designed and manufactured to comply with international quality, EMC and safety standards and meet Australian C-Tick requirements. GFS Power solutions include: DC Power Systems, 48V DC Solutions, 24V DC ...
GFS Power is a specialised distributor of power products and systems with manufacturing partners in Europe, Asia and North America. Products, systems and solutions supplied are designed and manufactured to comply with international quality, EMC and safety standards and meet Australian C-Tick requirements. GFS Power solutions include: DC Power Systems, 48V DC Solutions, 24V DC ...
PJL Diesel Electric / ASHDOWN - INGRAM | Industrial Auto Electrical Equipment Specialists
Formed in 1992, by a family team, PJL Diesel Electric has become renowned as specialist importers and wholesalers in the industrial automotive electrical equipment industry. We provide product solutions throughout Australia, Asia, Africa and New Zealand for agricultural, marine, mining, transport and off-highway applications. The pride of our company’s operation is still the ...
Formed in 1992, by a family team, PJL Diesel Electric has become renowned as specialist importers and wholesalers in the industrial automotive electrical equipment industry. We provide product solutions throughout Australia, Asia, Africa and New Zealand for agricultural, marine, mining, transport and off-highway applications. The pride of our company’s operation is still the ...
Circuit Breaker
Circuit Breaker
What is a circuit breaker, and what is its purpose?
A circuit breaker is an electrical device designed to protect an electrical circuit from damage caused by excess current flow. Its purpose is to interrupt the flow of electricity in the circuit when the current exceeds a certain level, thereby preventing damage to the circuit and the devices connected to it. Circuit breakers are commonly used in homes, commercial buildings, and industrial facilities to protect electrical equipment and prevent electrical fires. They are an important safety feature in electrical systems and help ensure reliable power supply.
What types of circuit breakers are available in Australia?
There are several types of circuit breakers available in Australia, including:
- Miniature Circuit Breakers (MCBs): These are commonly used in residential and commercial buildings and protect against overcurrent and short circuits.
- Residual Current Circuit Breakers (RCCBs): These are used to protect against electrical shock by detecting and interrupting any leakage current.
- Molded Case Circuit Breakers (MCCBs): These are used in heavy-duty applications such as factories and industrial plants to protect against overcurrent and short circuits.
- Air Circuit Breakers (ACBs): These are used in high-voltage applications such as power distribution systems and protect against overcurrent and short circuits.
- Ground Fault Circuit Interrupters (GFCIs): These are similar to RCCBs but are commonly used in outdoor and wet locations to protect against electrical shock.
- Arc Fault Circuit Interrupters (AFCIs): These are used to detect and interrupt dangerous arcs that can occur in electrical systems and are commonly used in residential buildings.
How do I determine the correct size and rating for my circuit breaker?
A circuit breaker is a safety device that protects electrical circuits from damage caused by overload, short circuit, or ground fault. To determine the correct size and rating for your circuit breaker, you need to consider the following factors:
- Amperage rating: The amperage rating of the circuit breaker should match the amperage rating of the circuit it is protecting. The amperage rating is usually marked on the circuit breaker and the electrical panel.
- Voltage rating: The voltage rating of the circuit breaker should match the voltage rating of the electrical system it is connected to. The voltage rating is usually marked on the circuit breaker and the electrical panel.
- Type of circuit: The type of circuit will determine the type of circuit breaker you need. For example, a branch circuit requires a single-pole circuit breaker, while a 240-volt circuit requires a double-pole circuit breaker.
- Load calculation: The load calculation is the process of determining the total electrical load that will be connected to the circuit breaker. This helps to ensure that the circuit breaker is not overloaded.
- Environmental factors: The environment in which the circuit breaker will be installed should also be considered. For example, if the circuit breaker will be installed in a damp or corrosive environment, you may need a circuit breaker with a higher rating.
Can I replace a circuit breaker myself, or do I need a licensed electrician?
Replacement is a task that can be done by a homeowner, but it is recommended to hire a licensed electrician to ensure safety and compliance with local regulations. If you have experience with electrical work and follow safety precautions, you may be able to replace a circuit breaker yourself, but it is important to shut off power to the circuit and use proper tools and techniques to avoid injury or damage to the electrical system. If you are unsure or uncomfortable with the process, it is best to contact a professional.
What is the average cost of a circuit breaker in Australia?
The cost of a circuit breaker in Australia can vary widely depending on the type and brand. On average, a basic circuit breaker can cost between $20 to $50, while a more advanced circuit breaker may cost upwards of $100. It is always best to consult with a licensed electrician to determine the appropriate type of circuit breaker for your needs and budget.
How do I know if my circuit breaker needs to be replaced?
A circuit breaker is an essential component of any electrical system, and it is responsible for protecting your home or business from electrical overloads and short circuits. Over time, circuit breakers can become worn or damaged, and they may need to be replaced. Here are some signs that your circuit breaker may need to be replaced:
- Frequent Tripping: If your circuit breaker trips frequently, it could be a sign that it is wearing out and needs to be replaced. This is especially true if it trips even when you are not using many appliances or devices.
- Burnt Smell: If you notice a burnt smell near your circuit breaker, it could be a sign that the breaker is overheating and needs to be replaced. This can be a serious safety hazard, so it is important to address it promptly.
- Corrosion or Rust: If you see corrosion or rust on your circuit breaker, it could be a sign that it is no longer functioning properly and needs to be replaced.
- Age: Circuit breakers typically last between 15 and 25 years, so if your breaker is older than this, it may be time to replace it even if it is not showing any obvious signs of wear or damage.
Are there any safety guidelines I need to follow when installing or replacing a circuit breaker?
Installation Safety Guidelines:
- Always turn off the main power supply before attempting to install or replace a circuit breaker.
- Use insulated tools when handling circuit breakers.
- Never touch the bus bars or other live parts with your bare hands.
- Ensure that the circuit breaker matches the amperage rating of the circuit.
- Do not attempt to install or replace a circuit breaker if you are not experienced with electrical work.
- Follow the manufacturer's instructions for installation and wiring.
- Use a voltage tester to ensure that the circuit is not live before starting work.
- Use a lockout/tagout device to prevent others from accidentally turning on the power while you are working.
- Always wear safety glasses and gloves while working with electrical components.
Can I buy a used or refurbished circuit breaker, or should I always buy new?
Buying a used or refurbished circuit breaker can be a cost-effective option, but it is important to ensure that the product is in good working condition and meets safety standards. It is recommended to purchase from a reputable seller who has tested and certified the circuit breaker.
What is the warranty for a circuit breaker, and what does it cover?
Warranties vary depending on the manufacturer and product. Generally, most circuit breakers have a warranty of one to five years. The warranty typically covers defects in materials or workmanship that result in the circuit breaker failing to operate properly. This includes issues such as tripping too frequently or failing to trip when necessary. The warranty may also cover damage caused during shipping or installation.
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Circuit Breaker Costs and Supplier Insights
The listed price of a Circuit Breaker for sale ranges from $50 to $500, averaging $275.
If you are looking to buy a Circuit Breaker for sale, suppliers on IndustrySearch include Novaris, Mechtric, Wagner Electronic Services, Omron Automation & Robotics, APS Technology Australia Pty Ltd, Micromax, Autech Control Group
Use Get Quotes to receive personalised prices and proposals from trusted suppliers with top reviews and excellent service.
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