MEGGER EGIL Circuit breaker tester

The MEGGER EGIL Circuit breaker tester is an automatic timer and motion analyzer for medium- and high-voltage substation circuit breakers. It is intended for use on circuit breakers with one contact per phase.

SKU: 4941

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MEGGER EGIL Circuit breaker tester

The MEGGER EGIL Circuit breaker tester is a specialized tool designed for efficient and effective testing of circuit breakers, specifically those with one contact per phase. This device stands out due to its blend of simplicity and advanced functionality, which it offers at a lower cost and with easier operation compared to more complex systems.

The EGIL is equipped with three synchronized channels on one side and two separate time channels for measuring auxiliary contacts, allowing for comprehensive monitoring and analysis during tests. This capability ensures that events at parallel contacts are accurately recorded and displayed simultaneously, providing clear and immediate insights into the performance and health of the circuit breaker.

For convenience and efficiency in field applications, the EGIL includes ready-made multi-cable sets that facilitate quick and easy connections to both main and auxiliary contacts. This design consideration significantly simplifies the setup process on site, saving time and reducing the potential for connection errors.

One of the notable features of the EGIL is its automatic measurement of coil currents. These measurements are presented on the display window immediately after testing or can be printed directly from the device’s built-in printer, offering instant access to test results. Additionally, the EGIL features a built-in breaker control unit which automates setting adjustments for subsequent breaker operations. This automation enhances the user-friendliness of the device, making it straightforward for technicians to operate it during sequential tests.

The EGIL’s capabilities can be further expanded by using it with the SDRM and the SDRM accessory, which enable the performance of both static and dynamic resistance measurements. These measurements are crucial for assessing the integrity and functionality of circuit breakers, providing detailed diagnostics that help in maintenance decisions.

Moreover, for those who require advanced data management and analysis, the EGIL can be equipped with an optional USB interface. This interface facilitates communication with a PC and is compatible with the CABA Win circuit breaker analysis software. This software integration allows for more detailed analysis and archiving of test data, enhancing the overall value and utility of the EGIL in maintaining and troubleshooting circuit breakers.

MEGGER EGIL Circuit breaker tester specifications:

  • Specifications are valid at nominal input voltage and an ambient temperature of +25°C, (77°F). Specifications are subject to change without notice.
  • Environment
  • Application field:The instrument is intended for use in medium-voltage substations and industrial environments.
  • Temperature
  • Operating:0°C to +50°C (32°F to +122°F)
  • Storage & transport:-40°C to +70°C (-40°F to +158°F)
  • Humidity:5% – 95% RH, non-condensing
  • CE-marking
  • LVD:2006/95/EC
  • EMC:2014/30/EU
  • RoHS:2011/ 6 5 / E U
  • General
  • Mains voltage:115 / 230 V AC (switchable), 50 / 60 Hz
  • Power consumption:100 VA (max)
  • Dimensions
  • Instrument:360 x 210 x 190 mm (14.2” x 8.3” x 7.5”)
  • Transport case:420 x 300 x 230 mm (16.5” x 11.8” x 9.0”)
  • Weight:6.3 kg (14 lbs). 10 kg (22 lbs) with accessories and transport case
  • Display:LCD
  • Available languages:English, German, French, Spanish, Swedish
  • Measurement section
  • Time measurement
  • Measurement time:1 to 100 s
  • Resolution:0.1 to 10 ms
  • Number of channels:3 with common ground
  • Time base inaccuracy:0.05% of the reading ± resolution
  • Status thresholds
  • Closed:< 10 Ω ±20%
  • Resistor:10 Ω ±20% to 3 kΩ ±20%
  • Open:> 3 kΩ ±20%
  • Open circuit voltage:24 V ±20%
  • Short circuit current:100 mA ±20%
  • AUX 1&2
  • Number of channels:2, galvanically isolated
  • Contact-sensing (Dry)
  • Status thresholds
  • Closed:< 600 Ω ±30%
  • Open:> 600 Ω ±30%
  • Open circuit voltage:20 V ±20% DC
  • Short circuit current:25 mA ±20%
  • Voltage sensing (Wet)
  • Status thresholds
  • Open indication:< 8 V (polarity insensitive)
  • Close indication:> 13 V (polarity insensitive)
  • Working voltage:250 V AC / DC
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Megger since 1889 is a leading global premium manufacturer of measurement and testing technology. Megger top priority has always been to make your everyday work easier and safer. As such, insulation testers, micro-ohmmeters, and multimeters are among the long line of Megger inventions, making this brand one of the pioneers in the electrical industry. Megger products combine many years of experience and the valued feedback from our global users with the inventiveness and conscientiousness of our product developers. In Germany, we manufacture at three sites, Aachen, and Baunach near Bamberg and Radeburg near Dresden. Other manufacturing locations are based in Sweden, England, and America.



Data Sheet


Category Specification Details
Environment Application Field The instrument is intended for use in medium-voltage substations and industrial environments.
Operating Temperature 0°C to +50°C (32°F to +122°F)
Storage & Transport Temperature -40°C to +70°C (-40°F to +158°F)
Humidity 5% – 95% RH, non-condensing
CE-marking LVD: 2006/95/EC, EMC: 2014/30/EU, RoHS: 2011/65/EU
General Mains Voltage 115 / 230 V AC (switchable), 50 / 60 Hz
Power Consumption 100 VA (max)
Display LCD, Available languages: English, German, French, Spanish, Swedish
Dimensions and Weight Instrument Dimensions 360 x 210 x 190 mm (14.2” x 8.3” x 7.5”)
Transport Case Dimensions 420 x 300 x 230 mm (16.5” x 11.8” x 9.0”)
Weight 6.3 kg (14 lbs), 10 kg (22 lbs) with accessories and transport case
Measurement Section Time Measurement Measurement time: 1 to 100 s, Resolution: 0.1 to 10 ms
Status Thresholds Closed: < 10 Ω ±20%, Resistor: 10 Ω ±20% to 3 kΩ ±20%, Open: > 3 kΩ ±20%
Number of Channels 3 with common ground
Time Base Inaccuracy 0.05% of the reading ± resolution
AUX 1&2 Number of Channels 2, galvanically isolated
Status Thresholds (Dry) Closed: < 600 Ω ±30%, Open: > 600 Ω ±30%
Voltage Sensing (Wet) Open indication: < 8 V, Close indication: > 13 V, Working voltage: 250 V AC / DC