Omicron CMA 156 Six Phase Relay Test Set

The Omicron CMA 156 is a high-performance six-phase relay test set designed for precise testing, calibration, and verification of protective relays in complex electrical networks. Ideal for utility companies, industrial facilities, and field engineers, this system enables reliable testing of relays under realistic operating conditions, ensuring accurate protection and safety of electrical systems.

Equipped with advanced six-phase output capabilities, the CMA 156 allows simultaneous testing of multiple phases, providing precise measurements of current, voltage, and relay trip times. Its intuitive interface, compact design, and rugged construction make it suitable for both field and laboratory environments, enabling efficient commissioning, maintenance, and troubleshooting.

Key Features:

Six-phase output for simultaneous testing of multiple relays
Accurate measurement of voltage, current, and trip timing
Supports a wide range of protective relays including overcurrent, differential, and distance relays
Portable and robust design for field and laboratory use
Intuitive user interface with guided operation and real-time display
Automated test sequences and data logging for analysis and reporting
High-precision fault simulation for comprehensive relay verification

Whether used for commissioning, routine maintenance, or fault analysis, the Omicron CMA 156 Six Phase Relay Test Set provides fast, reliable, and accurate testing to ensure optimal performance and safety of electrical protection systems.

Specifications

1. Electrical Measurement & Testing

Phase Output: 6-phase simultaneous output for current and voltage
Current Output Range: 0 – 32 A AC/DC per phase (continuous), higher short-term for peak tests
Voltage Output Range: 0 – 300 V AC/DC per phase
Frequency Range: 15 Hz – 400 Hz
Trip Time Measurement Resolution: 1 ms
Supported Relays: Overcurrent, differential, distance, and other standard protective relays

2. Functions & Capabilities

Six-phase simultaneous testing of relays for complex networks
Verification of relay trip settings, timing, and protection functions
Programmable test sequences for automated testing
Real-time display of current, voltage, and relay trip responses
Data logging and export for reporting and compliance
Fault simulation for overcurrent, short-circuit, and other network conditions

3. Display & Interface

High-resolution digital display with color interface
User-friendly, menu-driven interface
LED indicators for phase status, overload, and safety warnings
USB/PC connectivity for advanced data analysis and report generation

4. Safety & Compliance

Overcurrent and overvoltage protection integrated
Conforms to IEC 60255 and other relevant international relay testing standards
Rugged, insulated housing suitable for field and laboratory use
Safe operation for medium- and high-voltage relay testing

5. Physical & Environmental

Dimensions: Approx. 480 × 350 × 220 mm
Weight: ~20 kg (portable with handles)
Operating Temperature: -10 °C to +50 °C
Storage Temperature: -20 °C to +70 °C
Humidity: 0 – 95 % non-condensing
Housing: Rugged, impact-resistant, portable for field use

6. Accessories (Typical)

Test leads and clamps for various relay types
Carrying case for portability
User manual and calibration certificate
Optional software for automated testing, data logging, and reporting
Safety accessories (insulated gloves, protective covers)

Medium Voltage Relay Test

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