Electrical Instuments

Omicron CMC256

Advanced Testing Capabilities:

The OMICRON CMC 256 supports comprehensive testing of protection functions including overcurrent, earth fault, directional, distance, differential, and feeder protection. It is suitable for testing protection schemes in transmission and distribution networks, substations, industrial plants, and power generation facilities. The test set enables accurate validation of relay characteristics, tripping behavior, and timing performance.

Intuitive Operation:

Used in conjunction with OMICRON’s Test Universe software, the CMC 256 offers an intuitive and user-friendly testing experience. Predefined test modules, guided test procedures, and clear result presentation help streamline the testing process and reduce setup time, even for complex protection functions.

High Precision and Accuracy:

Engineered to OMICRON’s high quality standards, the CMC 256 delivers precise current and voltage output with excellent measurement accuracy. This ensures reliable verification of relay settings and performance, supporting compliance with protection standards and improving overall system reliability.

Versatile Applications:

The CMC 256 is suitable for commissioning, periodic maintenance, troubleshooting, and relay replacement projects. Its flexibility allows it to be used across a wide range of protection relay types and system configurations, making it a practical solution for utilities and service providers.

Compact and Portable:

With its lightweight and compact design, the CMC 256 is ideally suited for field testing. The unit is easy to transport and set up, enabling efficient testing in substations and remote locations without compromising performance.

Comprehensive Support:

When you rent the OMICRON CMC 256 from us, you receive full technical support from our experienced engineers. From initial setup and test configuration to troubleshooting and result interpretation, we ensure smooth and successful testing operations.

Trusted by Industry Professionals:

Widely used by protection engineers and technicians worldwide, the OMICRON CMC 256 is a proven and trusted solution for protection relay testing. Its reliability, accuracy, and portability make it a preferred choice for routine protection testing tasks.

Key Features:

• Reliable current and voltage sources for secondary injection testing

• Suitable for numerical, static, and electromechanical protection relays

• Comprehensive testing of overcurrent, earth fault, distance, and differential relays

• Seamless integration with OMICRON Test Universe software

• High measurement accuracy and repeatability

• Compact, lightweight, and field-ready design

• Ideal for commissioning, maintenance, and troubleshooting

The OMICRON CMC 256 is a powerful and flexible protection relay test system designed for comprehensive testing of protection relays used in modern power systems. With its reliable current and voltage output capabilities and wide operating range, the CMC 256 is capable of testing numerical, static, and electromechanical relays, including relays with moderate burden requirements. Its robust performance and proven reliability make it a preferred solution for commissioning, routine maintenance, and protection testing applications across a wide range of power system environments.