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MEGGER Circuit Breaker Finder: 12 to 400V AC/DC, CAT III 300V, Digital - Circuit Breaker Finders
MEGGERCircuit Breaker Finders

MEGGER Circuit Breaker Finder: 12 to 400V AC/DC, CAT III 300V, Digital

The MEGGER MCT105 Circuit Breaker Finder is a digital, audible/light tracing tool designed for locating breakers behind walls within a 12 to 400V AC/DC range. It is rated CAT III 300V and supports tracing on walls…

SKU 3G-OTH-171650

Also listed as: MCT 105 · MCT-105

Brand
MEGGER
Item
Circuit Breaker Finder: 12 to 400V AC/DC, CAT III 300V, Digital
Category
Circuit Breaker Finders
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

MEGGER
Manufacturer Part Number
MCT105
Type
CAT III 300V, Digital, Audible/Light
UNSPSC
41113644
Country of Origin
China (subject to change)
For Voltage Range
12 to 400V AC/DC
Tracing Locations
Walls

Datasheet Content

MCT105 Cable Locator „ Trace cables and conductors in walls „ Works on both live and dead cables or conductors „ Locate conductor breaks and short circuits „ Identify fuses and circuit beakers „ Trace conductors buried in the ground „ Trace metal water and heating pipes „ Visual and audible signal strength indication „ Non-contact voltage detector (Receiver) „ Automatic or manual sensitivity adjustment „ Built In torch (Receiver) DESCRIPTION SPECIFICATIONS The Megger MCT105 kit includes a separate transmitter Power Supply 2 x 9 V PP3 Battery and receiver. It is designed to help detect and trace cables Operation Temperature: 0 ° to 40 °C (32 °F to 104 °F) or metallic conductors in walls or buried underground, Storage Temperature: -20 ° to 60 °C (4 °F to 140 °F) locate and identify fuses or breakers on electrical circuits at <95% RH as well as finding breaks or short circuits in cables and Safety Standard: IEC EN61010-1 CAT III 300 V electrical underfloor heating systems. It can also be used Transmitter: for tracing metal water and heating pipes. Output signal: 125 kHz Voltage Range: 12 - 400 V The transmitter operates on 5 voltage ranges: 12 V, Frequency Range: 0 - 60 Hz 50 V, 120 V, 230 V and 400 V, as well as generating a signal on dead or isolated cables and conductors. The Display: LCD display receiver offers either automatic or manual adjustment External Voltage Detection: 400 V AC/DC (max) of the signal sensitivity for increased accuracy and can Over Voltage Category: CAT Ill 300 V detect buried cables up to a depth of 2.5 M. Both units Dimensions: 130 mm H x 69 mm W x 32 mm D include an auto power off feature, along with low battery Weight: 130g indicators. Receiver: The MCT105 is supplied with everything needed to trace Tracing depth: The tracing depth depends of medium and application: and locate cables or conductors, including test leads, Cable Locator Mode: single-pole application crocodile clips, test probes and a protective carry case. approx. 0 - 2 m double-pole application approx. 0 - 0.5 m ORDERING INFORMATION Voltage detection: approx. 0 - 0.4 m Description Part number Rx: 192 mm H x 61 mm W x 37 mm D MCT105 1013-836 Weight: 180 g SALES OFFICE MCT105_DS_en_V01 Megger Limited www.megger.com Archcliffe Road Dover ISO 9001 CT17 9EN England The word ‘Megger’ is a registered trademark T. +44 (0) 1304 502101 E. UKsales@megger.com

Technical Documents

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MEGGER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MEGGER MCT105 Circuit Breaker Finder is a digital, audible/light tracing tool designed for locating breakers behind walls within a 12 to 400V AC/DC range. It is rated CAT III 300V and supports tracing on walls. This device enables identification of circuits without direct contact, suitable for electrical maintenance and troubleshooting.

Frequently Asked Questions

What is the MEGGER MCT105 Circuit Breaker Finder used for?

The MEGGER MCT105 is used to locate circuit breakers behind walls without direct contact. It is ideal for electrical maintenance and troubleshooting in residential and commercial settings, tracing circuits within a 12 to 400V AC/DC range.

What are the specifications of the MEGGER MCT105?

The MEGGER MCT105 has a voltage range of 12 to 400V AC/DC, a CAT III 300V safety rating, and digital audible/light tracing. It is designed for tracing locations on walls and is manufactured by MEGGER under MPN MCT105.

Where to buy the MEGGER MCT105 worldwide?

You can source the MEGGER MCT105 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations, ensuring reliable supply for your electrical maintenance needs.

How to use the MEGGER MCT105 for tracing breakers?

To use the MEGGER MCT105, connect the transmitter to the circuit under test, then scan walls with the receiver. The device provides audible and light signals to identify the correct breaker. Always follow standard electrical safety practices and verify the circuit is de-energized before contact.

Used in

Common applications for MEGGER
Industrial plant maintenance — MEGGER MIT410-TC/3 megohmmeter for insulation testing of motors and cables in harsh environments
Solar panel commissioning — MEGGER PVK330 photovoltaic kit for open-circuit voltage and clamp measurements on PV arrays
Utility substation testing — MEGGER S1-568/2 insulation resistance tester for high-voltage cable and transformer insulation checks
Three-phase motor installation — MEGGER MTR105 motor rotation tester for verifying phase sequence and rotation direction
Transformer manufacturing — MEGGER 2008-60KIT2 testing leads for turns ratio measurement on distribution transformers
Renewable energy maintenance — MEGGER MIT481/2 analog megohmmeter for low-resistance and insulation testing on wind turbine generators

MEGGER Products

3G Electric supplies MEGGER circuit breaker finders. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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