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Safety Testing Equipment Buying Guide

Megger 230315 AC High-Pot Tester 0-3 kV AC

Megger 230315
Catalog #: 230315
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3 kV AC Hipot; 12.3 mA


  • Ground continuity check of three-wire devices with high-voltage interlock
  • Front-panel adjustable leakage current trip from 0.3 to 12 mA
  • One-second or continuous testing
  • Automatic failure shutdown, with visual and audible alarms
  • Recessed high-voltage connections
  • Front-panel NEMA 5-15R three-prong receptacle
  • Zero start/reset in event of failure
  • Meets UL 120-k½ requirement
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Product Name Test Type Hipot Max AC Test Voltage Max DC Test Voltage Availability Price  
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4 kV AC/5 kV DC Hipot; 12.3 mA
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Product Information

Megger 230315 AC High-Pot Tester 0-3 kV AC


AC High-Pot Tester 0-3 kV AC

  • Ground continuity check of 3-wire devices with high voltage interlock.

  • Leakage current adjustable on front panel from 0.3 to 12.3 mA.

  • One-second or continuous testing.

  • Automatic failure shutdown.
AC and AC/DC High-Pot Testers available from Megger are designed for safety and ease of operation, and readily adapt to development, maintenance or production testing. Three models are available: two ac and one ac/dc. The AC High-Pot Testers feature a front-panel, NEMA 5-15R three-prong output receptacle. Booted, alligator-clip output and return probes are also supplied with all models.


Test voltage is continuously adjustable from zero to full output, with a zero-start interlock. Leakage current trip level may be adjusted from 0.3 to 12 mA by a front-panel knob. Pushbuttons are provided to select one-second or continuous testing, to turn off the high voltage and to reset the instrument. All high-voltage connections are recessed to prevent accidental contact with high voltage.

During testing, high voltage will automatically shut down within 50 ms of arcing or exceeding the preset trip level. Visual and audible alarms alert the operator upon failure.

The instruments also feature an interlock that prevents the high voltage from being applied if the supply ground wire is open or if the hot and neutral wires are interchanged. A Tester Grounded lamp lights to confirm the instrument is connected to a properly grounded power source.

The AC High-Pot Testers will automatically shut down if ground circuit resistance of the test object exceeds 15ohms at any time during testing. This feature may be by passed when testing double-insulated devices or when using test probes. The AC/DC High-Pot Tester provides a slide switch to select either ac or dc test voltage. The slide switch safely covers the output jacks not in use.


These portable instruments are used to test the dielectric strength of electrical insulation and the ground circuit continuity of three-wire appliances and other devices. Biddle High-Pot Testers comply with most existing UL requirements for dielectric withstand testing, including:

  • UL 544  –  Electric Medical and Dental Equipment
  • UL 982  –  Motor-Operated Household Food Preparing Machines
  • UL 1026  –  Electric Household Cooking and Serving Appliances
  • UL 1270  –  Radio Receivers, Audio Systems, and Accessories

What's In The Box

  • Test Leads
  • Input Power Cord (17032)
  • Instructions


CAT. NO. Model Applied Test
Adjustable Leakage
Current Trip Level
Dimensions Weight

AC 0 to 3 kV 0.3 to 12 mA Front-panel
(5.6 kg)
8 H x 9 W x 8.4 D in.
20.6 H X 23 W X 21 D cm
12.5 lb

0 to 4 kV

AC/DC 0 to 4 kV
0 to 5 kVdc
AC: 0.3 to 12 mA
DC: 0.43 to 17 mA
- 13.5lb
(6.1 kg)
Standard: 120 Vac ±10%, 1 A, 50/60 Hz
Optional: Nominal 230-Vac, 50/60-Hz line is available on all models at no additional charge. To order, add –47 to Cat. No.
Maximum Output Current: 12.6 mA
Wave Shape
 AC Models: Line
 AC/DC Model:: Maximum ripple 0.4% rms per mA at full voltage
Applied Test Voltage: ±2%
Leakage Current: ±5%

Megger 230315 Product Specifications Summary:
(for full specs please see the full specs tab or the data sheet)

Safety Testing / Surge Testing/Hipot Tester Template

Test Type Hipot What's This?AC
Max AC Test Voltage What's This?3 kV
Min AC Test Voltage0 V
Max Trip Current AC Test What's This?12 mA
Min Trip Current AC Test What's This?0.3 mA
Programmable (hipot) What's This?No
Insulation Resistance Test What's This?No
Connection TypeNema Socket, Probe
Arc Detection What's This?No
Scanning control capable for Multipoint TestingNo

Test Equipment General Attributes

Unique FeaturesRugged and portable. Analog display.
Warranty12 MONTHS (1 YEARS)
Power Supply Voltage120V 50/60 Hz
Data Logging What's This?No
Product Weight13 LBS
Product Height8.4 IN
Product Length8 IN
Product Width9 IN
ECCN NumberEAR99
Country of OriginUnited Kingdom


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