| MODELS | OUTPUTS | CHANNELS | 
| ID1-RL-0-NA-P | Normally Open Relay | 1 | 
| ID2-RL-0-NA-P | Normally Open Relay | 2 | 
| ID1-TR-0-NOFF-P | Transistor Normally OFF | 1 | 
| ID2-TR-0-NOFF-P | Transistor Normally OFF | 2 | 
| ID1-OP-0-NOFF-P | Optoisolated Normally OFF | 1 | 
| ID2-OP-0-NOFF-P | Optoisolated Normally OFF | 2 |