Megger MIT300 Insulation & Continuity Tester, 250 V Min, 500 V Max CAT III

RS Stock No.:: 516-9110
Mfr. Part No.:: MIT300-EN
Brand:: Megger

Megger MIT300 Insulation & Continuity Tester, 250 V Min, 500 V Max CAT III

Subtotal (1 unit)*

£675.35

(exc. VAT)

£810.42

(inc. VAT)

FREE delivery for orders over £50.00

In Stock

14 unit(s) ready to ship
Plus 12 unit(s) shipping from 16 January 2026

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit
1 +	£675.35

*price indicative

Browse here for all your Insulation Tester Accessories, including crocodile clips, cases, probes, and leads.

Shop Now

RS Stock No.:: 516-9110
Mfr. Part No.:: MIT300-EN
Brand:: Megger

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Megger
	Model Number	MIT300
	Product Type	Insulation Tester
	Tester Type	Insulation & Continuity Tester
	Maximum Test Voltage	500V
	Minimum Test Voltage	250V
	Display Type	LCD
	Test Current	1mA
	Power Source	Battery
	Battery Type	AA
	Plug Type	3-Pin (Global)
	Minimum Operating Temperature	-10°C
	Maximum Operating Temperature	60°C
	Safety Category Voltage	600V
	Safety Category Level	CAT III
	Standards/Approvals	IEC 61326-1
	Width	148 mm
	Height	78mm
	Length	203mm
	Weight	980g

	Select all
	Brand Megger
	Model Number MIT300
	Product Type Insulation Tester
	Tester Type Insulation & Continuity Tester
	Maximum Test Voltage 500V
	Minimum Test Voltage 250V
	Display Type LCD
	Test Current 1mA
	Power Source Battery
	Battery Type AA
	Plug Type 3-Pin (Global)
	Minimum Operating Temperature -10°C
	Maximum Operating Temperature 60°C
	Safety Category Voltage 600V
	Safety Category Level CAT III
	Standards/Approvals IEC 61326-1
	Width 148 mm
	Height 78mm
	Length 203mm
	Weight 980g

RoHS Status: Exempt

COO (Country of Origin):: GB

Megger Insulation Tester, 10kΩ to 999MΩ Resistance Measuring Range, LCD Screen - MIT300 Series - MIT300-EN

Make sure your electrical connections are in top form with this insulation tester from Megger. By measuring component resistance between 10kΩ and 999MΩ, it quickly spots large current leaks to cut the risk of damage from power faults. As it automatically runs continuity tests when connected, the device tackles many circuit monitoring tasks in one go to help you speed through maintenance. It's a breeze to read your results thanks to the unit's crisp LCD. Live voltage warnings mean the tool helps you steer clear of hazardous electrical loads to keep you safe during testing.

Features & Benefits

• Push button and rotary dial controls for ease of operation

• Battery life of up to 5,000 tests for long-term performance

• IP54 rating means it's protected against limited amounts of dust and water splashes

Applications

• Electronics manufacturing

• Power distribution networks

• Machine maintenance

What is continuity testing and why should I do it?

Continuity testing checks if a circuit has a steady current flow. A reliable flow of power keeps equipment working efficiently, while unstable current can indicate a fault in a component or connection.