191427 Walchem Relay Card, 4 dry contact, 4 opto-isolated

Relay Card, 4 Powered, 4 Opto-Isolated

Relay Card, 4 powered, 4 dry

Relay Card, 8 dry contact

Spare, W900 Relay board, 4 Dry-4 Opto

Spare, Intuition-9 Relay Board, 4 Dry, 4 Opto

Spare, W900 Relay board, 4 Powered-4 Opto

Spare, W900 Relay board, 4 Powered-4 Dry The 192615 Walchem Spare, W900 Relay Board, 4 Powered-4 Dry is a replacement relay board specifically designed for use with Walchem's W900 series controllers...

Spare, Intuition-9 Relay Module, 4 Opto

Relay Card, 6 powered, 2 dry