How to connect a handheld test device for a WL breaker?

How to connect a handheld test device for a WL breaker?

1. Ensure the breaker is in the disconnected position.

2. Make note of the setting values of the trip unit.

3. Remove connection cover at bottom of ETU.

4. Switch off ground-fault protection, setting value IR=1.0*In.

5. Connect handheld test device to ETU.

6. Connect power supply to handheld test device.

7. Use handheld test device. This video is meant only to enhance, not replace, the operating instructions enclosed with every product. Please review all instructions carefully before viewing the video. Product instructions are subject to technical changes without prior notice.