Omicron CMC 256Plus

/

Precision Relay Testing for High Accuracy Applications

The Omicron CMC 256plus is a cutting-edge relay test set designed for applications requiring exceptional accuracy and precision. Ideal for protection relay testing, transducer calibration, and power system simulation, this versatile device is widely used in laboratories, substations, and utility environments.

Key Features & Benefits

  • Ultra-High Accuracy – With exceptional precision in voltage and current outputs, the CMC 256plus is perfect for testing numerical and electromechanical relays, as well as calibration applications.
  • Flexible Output Configurations – Features six current and four voltage sources, delivering stable and precise signals for comprehensive relay testing.
  • Ideal for Meter Testing – Thanks to its high accuracy, the CMC 256plus is well-suited for calibrating energy meters and transducers, ensuring compliance with industry standards.
  • IEC 61850-Ready – Supports testing of digital relays and communication-based protection systems, making it future-proof for modern substations.
  • Seamless Software Integration – Works with Omicron Test Universe software for automated, repeatable testing and RelaySimTest for system-based testing approaches.
  • Lightweight & Portable – The compact design makes it easy to transport and use in the field, without compromising on performance.

Why Choose the Omicron CMC 256plus?

Designed for professionals who demand the highest levels of accuracy, the CMC 256plus is the go-to choice for power utilities, industrial facilities, and testing laboratories. Whether you're testing protection relays, calibrating energy meters, or verifying transducers, the CMC 256plus delivers reliable, repeatable results every time.

Technical Specifications

  • Current Sources: 6 x 12.5 A (continuous)
  • Voltage Sources: 4 x 300 V
  • Accuracy: Better than 0.01% for voltage and current outputs
  • Communication: USB, Ethernet, IEC 61850 compatibility
  • Software Compatibility: Omicron Test Universe, RelaySimTest

For industry-leading accuracy and reliability, choose the Omicron CMC 256plus – the ultimate solution for precision relay and meter testing.

shipping avaliable on contact
RECOMMENDED PRODUCTS

Rent together with

Add additional products to your shopping cart and check out together.

View all

DN8 Coupling

The suitable connecting parts for DILO
/

M-800P DC in AC Clamp Tester

Specialized current meter designed to detect DC components within AC circuits
/

LEAKAGE CLAMP METER 2433R

High-precision tool designed for detecting and measuring low-level AC leakage currents in electrical systems.
/

EXTECH 380947 400A True RMS AC/DC Mini Clamp Meter

designed for professionals who need accurate current measurements in tight spaces.
/

Clamp On Leak HiTESTER 3283

The Hioki CLAMP ON LEAK HiTESTER 3283 is a high-precision leakage current tester designed for measuring small AC leak currents…
/

AEMC 6240

10 Amp Micro Ohm tester (Ductor).
/

HV Inc PFT-503CM

AC Hipot 0-50kV AC 18mA.
/

TKD-Lambda GEM-150-10

DC Power Supply-0-150V DC 10 Amp, 2 off, Supplies in 1 box. 20A max.
/

Metrel MI2077

5kV variable voltage with polarisation index, logging.
/

Megger MIT1020/2

The Megger MIT1020/2 is a rugged, high-voltage insulation resistance tester designed for accurate and reliable testing of electrical insulation in…
/

Dilo SF6 Precision Gauge

high-accuracy pressure measuring device specifically designed for SF6 gas applications.
/

Gas Quip GQ-IRLD

SF6 Leak detector.
/

CIOS provides industrial and electronic testing equipment across Australia.

We are located in perth but whether you're in a major city like Brisbane, Sydney, Melbourne, Canberra, Adelaide, Hobart, Darwin, or in regional locations, we have the equipment you need to complete your next project.