Klein Tools - Digital Circuit Breaker Finder | A-ET300AU

$77.65
$77.65
Vendor: Klein Tools
SKU: A-ET300AU

The Klein Tools ET300AU Digital Circuit Breaker Finder is a professional troubleshooting tool designed to quickly and accurately identify the correct circuit breaker associated with an electrical outlet or circuit. Featuring a transmitter and receiver system, the ET300AU helps electricians and maintenance...

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DIGITAL CIRCUIT BREAKER FINDER | A-ET300AU

The Klein Tools ET300AU Digital Circuit Breaker Finder is a professional troubleshooting tool designed to quickly and accurately identify the correct circuit breaker associated with an electrical outlet or circuit. Featuring a transmitter and receiver system, the ET300AU helps electricians and maintenance personnel eliminate guesswork when locating breakers in residential, commercial and industrial switchboards. Advanced digital processing provides reliable circuit identification while reducing false readings, helping save time during maintenance, installation and fault-finding tasks.

► Key Features

  • Quickly identifies the correct circuit breaker for a connected outlet
  • Digital signal processing improves breaker identification accuracy
  • Transmitter and receiver system for easy circuit tracing
  • Visual and audible indication when the correct breaker is located
  • Reduces time spent tracing circuits manually
  • Suitable for residential, commercial and industrial electrical systems
  • Simple one-person operation
  • Compact and durable design for field use
  • Ideal for troubleshooting, maintenance and installation work

► Technical Specifications

  • Type: Digital Circuit Breaker Finder
  • System Components: Transmitter & Receiver
  • Application: Circuit Breaker Identification
  • Outlet Compatibility: Australian/New Zealand Style Outlets
  • Voltage Rating: 230V AC
  • Visual Indication: Yes
  • Audible Indication: Yes
  • Power Source: Battery Powered Receiver
  • Operation: One-Person Use
  • Suitable For: Residential, Commercial & Industrial Applications
  • Includes: Transmitter, Receiver, Battery & User Instructions
  • Brand: Klein Tools
  • Part No.: A-ET300AU

► Why Tradies Grab This

The ET300AU dramatically reduces the time required to locate the correct circuit breaker, particularly in large switchboards with poor circuit labelling. Electricians rely on it for renovations, fault finding, maintenance and compliance testing because it provides a faster, safer and more reliable alternative to trial-and-error breaker identification.

► Industrial Shed’s Trade Guarantee – Shop with Confidence

  • We Stand By Our Gear: Professional-grade diagnostic equipment built for demanding electrical environments.
  • Loyalty Matters: Trade account benefits available for repeat customers.
  • Real Support, No Runaround: Backed by a team that understands electrical testing and troubleshooting.
  • Fast Delivery, Every Time: Get the tools you need without unnecessary delays.

► Stock won’t last — get yours now at Industrial Shed!

Product weight
500 g
Material
Plastic
Category
Electrical & Lighting
Shipping calculated at checkout

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Subtotal: $77.65
Product specifications
Category
Electrical & Lighting
Material
Plastic
Product weight
500 g
Length
165 mm
Width
57 mm
Height
38 mm
  • On time, every time

    Delivery across Australia, with tracking sent after dispatch. Ordering a large or heavy item? Ask our team to confirm freight costs and delivery arrangements before you buy.

    Delivery information
  • Secure payments

    Pay through our secure checkout with the card and express payment options available for your order. Review your items, delivery charges and total before confirming payment.

  • 100% happiness guarantee

    Need help after your purchase? Contact our Somerville team with your order number. We can help with product issues and explain your return options, including conditions and exclusions.

    Returns and support

DIGITAL CIRCUIT BREAKER FINDER | A-ET300AU

The Klein Tools ET300AU Digital Circuit Breaker Finder is a professional troubleshooting tool designed to quickly and accurately identify the correct circuit breaker associated with an electrical outlet or circuit. Featuring a transmitter and receiver system, the ET300AU helps electricians and maintenance personnel eliminate guesswork when locating breakers in residential, commercial and industrial switchboards. Advanced digital processing provides reliable circuit identification while reducing false readings, helping save time during maintenance, installation and fault-finding tasks.

► Key Features

  • Quickly identifies the correct circuit breaker for a connected outlet
  • Digital signal processing improves breaker identification accuracy
  • Transmitter and receiver system for easy circuit tracing
  • Visual and audible indication when the correct breaker is located
  • Reduces time spent tracing circuits manually
  • Suitable for residential, commercial and industrial electrical systems
  • Simple one-person operation
  • Compact and durable design for field use
  • Ideal for troubleshooting, maintenance and installation work

► Technical Specifications

  • Type: Digital Circuit Breaker Finder
  • System Components: Transmitter & Receiver
  • Application: Circuit Breaker Identification
  • Outlet Compatibility: Australian/New Zealand Style Outlets
  • Voltage Rating: 230V AC
  • Visual Indication: Yes
  • Audible Indication: Yes
  • Power Source: Battery Powered Receiver
  • Operation: One-Person Use
  • Suitable For: Residential, Commercial & Industrial Applications
  • Includes: Transmitter, Receiver, Battery & User Instructions
  • Brand: Klein Tools
  • Part No.: A-ET300AU

► Why Tradies Grab This

The ET300AU dramatically reduces the time required to locate the correct circuit breaker, particularly in large switchboards with poor circuit labelling. Electricians rely on it for renovations, fault finding, maintenance and compliance testing because it provides a faster, safer and more reliable alternative to trial-and-error breaker identification.

► Industrial Shed’s Trade Guarantee – Shop with Confidence

  • We Stand By Our Gear: Professional-grade diagnostic equipment built for demanding electrical environments.
  • Loyalty Matters: Trade account benefits available for repeat customers.
  • Real Support, No Runaround: Backed by a team that understands electrical testing and troubleshooting.
  • Fast Delivery, Every Time: Get the tools you need without unnecessary delays.

► Stock won’t last — get yours now at Industrial Shed!

Delivery options

We deliver across Australia. Freight costs depend on the item's size, weight and delivery address. Use the freight form above to request a price for this product.

Local delivery and collection

Local delivery is available on the Mornington Peninsula. You can also collect from Factory 1/30 Simcock Street, Somerville VIC 3912. Wait for your collection confirmation before coming in.

Tracking and delivery questions

Tracking details are sent after dispatch. For delivery timing, access requirements or help with a bulky item, call 03 5978 0078.

Read the shipping and delivery policy

Start a return

Contact us with your order number and the reason for the return. We will confirm the next steps before you send anything back.

Change of mind

The returns policy allows 14 days from delivery for eligible unused items in their original condition and packaging. Special orders and custom products are excluded from change-of-mind returns. Other exclusions may apply.

Faulty or damaged items

Send photos and a description of the problem to supportHQ@industrialshed.net.au, or call 03 5978 0078.

Read the full returns and refund policy

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