The Omicron CMC 356 is a flagship relay test set engineered for comprehensive testing of protection relays, meters, transducers, and power system components. Renowned for its versatility, precision, and field durability, it has become the industry standard for both on-site and laboratory applications. With powerful output sources, advanced automation, and full IEC 61850 compatibility, the CMC 356 empowers engineers and technicians to ensure protection systems operate safely, reliably, and in compliance with global standards.
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Key Features & Benefits
Powerful multi-source output – Six current and four voltage sources deliver high power for even the most demanding relays.
Broad application range – Ideal for testing distance, differential, overcurrent, and transformer protection, plus circuit breaker simulation and system analysis.
High accuracy & precision – Ensures reliable calibration and compliance with IEC and utility standards.
Seamless automation – Integrates with Omicron’s Test Universe software for repeatable, automated testing that saves time and reduces manual errors.
Field-proven durability – Compact, rugged build designed for long-term use in both the field and the lab.
IEC 61850-ready – Fully supports testing of digital relays and substations with modern communication protocols.
Technical Highlights
Current Sources: 6 × 32 A (continuous), up to 64 A (short-term)
Voltage Sources: 4 × 300 V
Interfaces: USB, Ethernet, IEC 61850 support
Software: Compatible with Test Universe & RelaySimTest
Applications: Relay testing, system commissioning, troubleshooting, and routine maintenance
