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The OMICRON CMC 356 is the premier solution for engineers demanding the highest level of versatility, output amplitude, and power in a single portable test set.3 It is the universal tool for testing all generations and types of protection relays—from high-burden electromechanical units to modern, low-burden digital relays.4 With its exceptional output capability, the CMC 356 simplifies complex commissioning tasks, including high-current primary injection checks and comprehensive substation wiring verification.5
Key Features & Benefits:
Powerful 6-Phase Output:
Features six robust current sources and four voltage sources that are fully independent and continuously adjustable.
Current Power:
Up to 3×64 A3×64A or 1×128 A1×128A (up to 1000 VA1000VA). This high power ensures reliable testing of even high-burden electromechanical relays.
Voltage Output:
4×300 V4×300V or 2×600 V2×600V.
Commissioning Focused:
Uniquely suited for on-site commissioning, featuring the ability to perform primary injection of high currents (up to 128 A) to validate CT wiring and perform plausibility checks.
IEC 61850 Ready: Includes an integrated network interface that supports comprehensive testing in digital substations, including GOOSE simulation and Sampled Values (SV) functionality.
Universal Relay Compatibility: Seamlessly tests all relay types: electromechanical, static, numerical, and multi-function IEDs.8
Software Control: Operates with OMICRON’s full software suite:9
Test Universe: For advanced, automated, settings-based testing.
RelaySimTest: For innovative, system-based transient simulation.10
CMControl: For quick and intuitive manual testing via a PC, laptop, or tablet.
Multifunctional Measurement: With the optional EnerLyzer software, the test set’s binary inputs can be converted into analog measurement inputs, turning it into a portable 10-channel multimeter and transient recorder for troubleshooting.11
PTP Synchronization: Supports time-synchronized applications using the IEEE 1588 protocol (via accessories like CMGPS 588) for End-to-End testing.12
