Schrack products made in Switzerland

Schrack Power relay, 1 changeover, 12 VDC, 8 A
Schrack Power relay, 1 changeover, 12 VDC, 8 A
Schrack Power relay, 2, NO contact, 24 VDC, 8 A
Schrack Power relay, 2, NO contact, 24 VDC, 8 A