Megger EGIL Circuit Breaker Analyser
The Megger EGIL Circuit Breaker Analyser is a compact, reliable, and user-friendly instrument designed for testing medium- and high-voltage circuit breakers with a single interrupter per phase. Built with the same trusted technology found in Megger’s larger analyser systems, the EGIL offers a streamlined solution at a cost-effective price.
It is the perfect choice for smaller utilities, industrial substations, and maintenance contractors who require accurate results without the complexity or cost of larger breaker test systems. The EGIL Basic Circuit Breaker Analyser provides professional-grade timing and motion measurement, helping engineers and technicians ensure breaker reliability and operational safety.
Megger EGIL Key Features:
- Easy to operate – Simple setup with ready-made cable sets and intuitive controls.
- Compact and portable – Lightweight design with a robust transport case for field use.
- High reliability – Proven Megger engineering ensures accuracy and long-term durability.
- Cost-effective – Professional features at a fraction of the price of larger systems.
- Versatile testing – Suitable for circuit breakers with single interrupters across medium-voltage substations and industrial facilities.
- Three time channels – with common ground for main and pre-insertion resistor contacts.
- Two galvanically isolated auxiliary time channels for auxiliary contact measurement.
- Automatic coil current measurement – displayed in real time.
- Built-in breaker control unit – with selectable operation sequences (C, O, C-O, O-C, O-C-O).
- Optional motion channel – for travel and speed measurement of moving contacts.
- Optional USB interface – or PC connection and CABA Win software integration.
- Integrated thermal printer – for immediate graphical and numerical results on site.
- Robust safety features – including galvanically isolated sockets and protective ground terminals.
Megger EGIL Control Panel:
- Mains voltage changeover switch, 115/230 V AC
- SDRM (optional)
- Built-in coil current measurement
- Coil signal sequencer
- Three timing channels
- Two isolated timing channels for dry or wet contacts
- Optional analog input for travel or voltage measurement
- Optional USB interface for PC (supports CABA software)
- Built-in printer
- Isolated sockets
- Breaker state indicator
- Sequence buttons
- Breaker setting switch
- Menu-driven procedures
- MEASURE knob
- AUX 1 & 2 buttons for auxiliary contact timing
Applications:
The Megger EGIL is built for routine maintenance and commissioning of circuit breakers. Its applications include:
- Timing measurements for main and auxiliary contacts.
- Motion (travel) analysis when equipped with the optional analogue input channel.
- Measurement of coil currents during breaker operation.
- Static and dynamic resistance testing with the optional SDRM201 accessory.
Engineers use the EGIL Basic Circuit Breaker Analyser to detect issues such as slow operation, synchronisation errors between phases, and resistance problems in contacts. These insights help prevent costly outages, equipment damage, and safety hazards.
Why Choose the Megger EGIL?
The Megger EGIL Circuit Breaker Analyser is unique because it balances simplicity with performance. Unlike bulkier analysers, it doesn’t require extensive training. Simply connect the included cable sets, ground the device, and turn the MEASURE knob to get instant results.
For companies needing dependable test results without unnecessary complexity, the EGIL Basic Circuit Breaker Analyser provides the ideal balance of affordability and capability. It’s particularly attractive to:
- Smaller utilities that cannot justify larger, more expensive analysers.
- Large power companies seeking a supplementary analyser for routine checks.
- Independent testing contractors who need portability and reliability in the field.
Technical Specifications (Summary)
| Feature | Details |
| Application field | Medium-voltage substations and industrial sites |
| Time measurement | 1–100 s, resolution 0.1–10 ms, 3 channels with common ground |
| Auxiliary contacts | 2 galvanically isolated channels (wet or dry) |
| Current measurement | ±25 A per channel, 25 mA resolution |
| Breaker operation | Sequences C, O, C-O, O-C, O-C-O |
| Motion (optional) | 1 channel, ±4 V input, 2 mV resolution |
| Printer | Built-in thermal printer, 114 mm wide paper, 203 dpi resolution |
| Power supply | 115/230 V AC, 100 VA max |
| Dimensions | 354 × 210 × 181 mm, 5.9 kg |
| Operating temperature | 0°C to +50°C |
| Storage temperature | –40°C to +70°C |
Typical Workflow
Using the EGIL Basic Circuit Breaker Analyser is straightforward:
- Ground the instrument and circuit breaker.
- Connect timing cables to the main and auxiliary contacts.
- Connect coil control cables to the trip and close circuits.
- Select the desired breaker operation sequence.
- Press the MEASURE knob to initiate testing.
- View results instantly on the display or print them via the built-in printer.
Optional USB and motion modules extend this process with PC connectivity and advanced motion recording.
Megger EGIL Options:
The Megger EGIL range includes several configurations:
- BM-19090 – EGIL Basic Circuit Breaker Analyser with Accessories
- BM-19092 – EGIL with USB interface and CABA Win software
- BM-19093 – EGIL with analogue input channel and USB interface
- BM-19095 – EGIL with SDRM option, USB interface, and CABA Win software
Each model comes with essential cables, accessories, and a transport case for field use.
EGIL with the SDRM (SDRM201 and SDRM202) option together with the SDRM accessory enables static and dynamic resistance measurements. EGIL can also be equipped with an optional USB interface for communication with a PC and CABA Win Circuit Breaker Analysis Software.
Optional Accessories:
- SDRM201 kit – For static and dynamic resistance measurements.
- CABA Win software – Advanced circuit breaker analysis and reporting on PC.
- Transducers – Linear and rotary motion transducers for travel and velocity measurement.
- Extension cables – Available in various lengths for flexible field setups.
- Flight case – Heavy-duty protection for transport and storage.
❓ Frequently Asked Questions (FAQ)
Q1: What makes the Megger EGIL different from larger breaker analysers?
A. The Megger EGIL Circuit Breaker Analyser offers the essential timing, motion, and current measurement functions found in larger analysers, but in a smaller, simpler, and more affordable package.
Q2: Can the EGIL test breakers with multiple interrupters per phase?
A. No. The EGIL is designed for breakers with one interrupter per phase. For multi-break systems, larger Megger analysers such as the TM1700 series are recommended.
Q3: Does the EGIL support PC connectivity?
A. Yes, selected models include a USB interface and CABA Win software for advanced reporting and analysis.
Q4: Can I measure travel (motion) with the EGIL Basic Circuit Breaker Analyser?
A. The base model does not include motion measurement, but you can add this functionality with the analogue input channel and compatible transducers.
Q5: Is the EGIL suitable for field testing?
A. Absolutely. Its compact design, rugged casing, and built-in printer make it ideal for on-site testing in substations and industrial environments.
The Takeaway
The Megger EGIL Circuit Breaker Analyser is a trusted solution for utilities, contractors, and maintenance teams who need accurate breaker performance testing without unnecessary complexity or cost. Whether you choose the EGIL Basic Circuit Breaker Analyser or one of the advanced configurations, you’ll benefit from Megger’s proven reliability, simple operation, and professional-grade results.