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Home | EMC Compliance | Voltage Dips and Interruptions Tester 
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EPTS Series

Voltage Dips & Interruptions Tester, up to 100A

The EPTS Series is designed to support IEC compliance testing for voltage dips, interruptions, voltage variations, and voltage unbalance. Available in both single-phase and three-phase configurations, the system supports current levels up to 100A, making it suitable for a wide range of EMC immunity testing applications.
With integrated software control and flexible hardware configurations, the EPTS Series enables accurate simulation of real-world power disturbances. The platform supports both pre-compliance and full compliance testing, helping engineers perform reliable and repeatable EMC validation.

Why Choose EPTS Series

IEC Compliance

Supports IEC 61000-4-11, -27, -34 for dips, interruptions, imbalance, and variations

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Flexible Configuration

Models adapt to single/three-phase needs (up to 100A)

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Easy to Use Software

Pre-loaded test sequences, custom routines, remote control

Pre-Compliance Testing to IEC 61000-3 and -4

Modular add-on combines emission & immunity testing in a single unit

Key Features

  • AC Voltage Dips, Interruptions and Variations
  • Available in Single or Three Phase Three versions
  • Requires second AC Source or AC Line for Nominal Voltage
  • Synchronizes to AC Line and provides sync out to programmable AC source
  • EMC Test Software for AC voltage dips, interruptions and variations
  • Test Files for IEC61000-4-11, -4-27 and -4-34 Included
  • Create and save custom test sequence files using included Windows GUI Software
  • Detailed test reports to documents EUT compliance
  • Wide Range of Current Levels Available
  • Meets required 1 ~ 5 usec rise/fall time for IEC61000-4-11/34
  • Up to 0-240Vac L-N / 415V L-L Test Voltage
  • USB Interface
  • AC Bias Input: 120Vac or 230Vac, 50/60H

Testing of Specific Immunity IEC Standards for Voltage Dips and Interruptions

Pre-Compliance And Full Compliance Testing

The EPTS Option allows EMC Test labs to perform pre or full- compliance testing of products to the following IEC standards:

Immunity

  • IEC 61000-4-11 AC Voltage Dips, Interruptions and Variations to 16A/phase
  • IEC 61000-4-27 Three Phase
  • Voltage Unbalance to 16A/phase
  • IEC 61000-4-34 AC Voltage Dips, Interruptions and Variations to 75A/phase

Featured Webinar

EMC Compliance Testing On-Demand Webinar

Model Comparison

Model Max Current Output Form CTA
EPTS-16A-1 16A Single Phase Buy / Rent
EPTS-16A-3 16 Arms / phase Three Phase Buy / Rent
EPTS-32A-1 32A Single Phase Buy / Rent
EPTS-32A-3 32A / phase Three Phase Buy / Rent
EPTS-75A-1 75A Single Phase Buy / Rent
EPTS-75A-3 75A / phase Three Phase Buy / Rent
EPTS-100A-1 100A Single Phase Buy / Rent
EPTS-100A-3 100A / phase Three Phase Buy / Rent

FAQ

EMC test systems support key standards such as IEC 61000-3-2, 61000-3-3, 61000-3-11, 61000-3-12 for harmonics and flicker, and IEC 61000-4-11 / 4-34 for voltage dips and interruptions testing.

Harmonics testing evaluates current distortion caused by electrical equipment, while flicker testing measures voltage fluctuations that can impact grid stability and equipment performance.

EMC systems simulate controlled voltage drops, short interruptions, and variations to verify equipment immunity and ensure compliance with international EMC standards.

Yes, these systems are suitable for both pre-compliance validation in R&D labs and full compliance testing in accredited certification environments.

EMC testing is critical for automotive, EV, aerospace, industrial electronics, renewable energy, and consumer electronics sectors across India.