bobjimed123's channel

CTZ relay test set rigged up to test Merlin Gerin STR23 relay.

As title says, test unit for checking tripping curves of ctz relays as found in old GEC LV switchgear.

same coil seen elsewhere converted to spark gap operation.

Second run at full power (1000v @400ma)producing 5" plus streamers.

4" streamers from home made valve (tube)tesla coil.