Megger RCDT330 RCD Tester



  • Tests standard, DC and selective RCDs
  • Ramp testing
  • Auto (Remote) testing
  • 3 Phase safe
More Information
Warranty 3 years
Price Match No

Megger RCDT330 RCD Tester

Even if they are inadvertently connected to a live three-phase supply, RCD testers in Megger's new RCDT300 range remain undamaged, and present no safety hazard to the user.

Introduced after extensive customer research into the requirements of electrical contractors, these innovative instruments combine rugged construction with straightforward operation, and they are offered at very competitive prices.

Available in three models, ensuring that all users can choose a model which exactly meets their needs, Megger RCDT300 RCD testers feature a compact ergonomic design, making them easy to handle and use, and a tough impact-resistant body with a rubber overmoulding for additional protection, plus a built-in display cover.

All models in the range are water and dust resistant, with an IP54 ingress protection rating.

 Features RCDT310 RCDT320 RCDT330
RCD Testing      
1/2I, I, 5I RCD trip test time x x x
Selective breakers x x x
DC breakers (1/2 I, I, 5I) x x x
30, 100, 300, 500mA RCDs x x x
10mA / 1A RCDs   x x
RCD trip current test (RAMP)   x x
Auto sequence test   x x
0°/180° polarity selection x x x
Touch voltage display inhibit (selectable) x x x
Max Touch voltage (25V/50V) x x x
Operating range 100 to 280V x    
Operating range 50 to 280V   x x
Programmable RCDs     x
Frequency measurement   x x
3 Phase Safe x x x
Large clear display x x x
Backlight   x x
Battery status indication x x x
Auto power down x x x
Fuse blown indication x x x
IP54 weatherproof x x x
Result storage     x
Downloading     x
USB interface     x
IEC61010-1 CATIII 300V x x x
EN61557 x x x
Calibration Certificate x x x
3 year warranty x x x
Plug ended test lead x x x
2 wire ended test lead probe/croc clip ended   x x

The RCDT330 additionally offers the facility to save test results to internal memory. Over 1000 result can be saved on site, and downloaded to a computer when convenient. Data is stored in non-volatile memory, being retained when the instrument is switched off or batteries are exhausted.

A Job reference number can be selected for a range of results, allowing separate locations to be tested with the same tester and easily separated when downloaded.

What's Included?

  • Megger RCDT330
  • Test Lead Set
  • Crocodile Clips
  • Mains Plug Test Lead
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