PC BASED ROUTINE TEST BENCH FOR CONTACTORS

The SCR Elektroniks production test bench for factory testing of contactors is used to test a variety of electrical parameters and compliance verification for the contactors.

Can test 6 contactors in less than 3 minutes on a 6 station test bench
PC based Testware enables the entire test sequence and test parameters to be programmed and controlled by customizable Testware running on PC
Report generation in excel format
Specially designed test jigs for ease and operator safety (can be integrated on an automated assembly)
Hardware interlock provided for H.V. and L.V.
Semi skilled operator friendly
Reporting for Data Analysis

  • Test Bench suitable for testing contactors (3/4 pole contactor with or without an auxiliary contact) with coil voltage customizable for 24 V, 42 V, 48 V, 110 V, 220 V, 240 V, 360 V, 380 V, 415 V, 440 V & 525 V AC
  • Pick up, Drop off voltage go, no-go values settable in the above range
  • H.V. Source module customizable for upto 3 kV, 50 mA

The SCR Elektroniks production test bench for factory testing of contactors is used to test a variety of electrical parameters and compliance verification for the contactors. This single bench conducts nearly all of the electrical tests that are relevant to the contactor prescribed by various versions of IEC 60947. The tests are conducted in a sequential manner on more than one station at a time thus testing multiple contactors simultaneously.

The system consists of a voltage source of rated voltage of up to 525 V AC for subjecting the contactor under test to a variable voltage within the pick-up measurement range (and also the drop off measurement range), 24 V source for continuity measurement, a high voltage source for high voltage application, an accurate leakage current measurement module for detecting the leakage current threshold and a test jig to hold the contactor.

The entire bench control is done by NI LabVIEW software built in a customized fashion to control the tests and to log data. Sophisticated software comes with a report generation feature which generates the test reports individually or for a batch of contactors (with pie chart facility, etc.). Additionally, an optional feature can be provided: bar-code / QR code scanner can be added and interfaced with the PC.

The machine tests several contactors simultaneously giving a very high machine output with respect to the contactors tested. Plus specially designed test jigs eliminate operator safety problems and assist the PC to complete the test sequence in optimized time.

The test bench can be customized with a user defined number of stations to meet the immediate production requirement.

The tests covered are as follows:

  1. Flashing & Continuity Test
  2. Coil current & Wattage Measurement Test
  3. Pick-up / Drop-off Test
  4. High Voltage Test

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