| PartNumber | C4IDC | C4IACA | C4IAC |
| Description | I/O Modules 10-32 VDC Input | I/O Modules 140-280 VAC Input | I/O Modules 90-140VAC In, Mod C4 30VDC Out |
| Manufacturer | Sensata | Crydom Co. | Crydom Co. |
| Product Category | I/O Modules | I/O Relay Modules - Input | I/O Relay Modules - Input |
| RoHS | Y | - | - |
| Product Type | I/O Modules | - | - |
| Input Voltage | 10 VDC to 32 VDC | - | - |
| Output Voltage | 4.5 VDC to 30 VDC | - | - |
| Output Current | 50 mA | - | - |
| Series | C4 | ||
| Brand | Crydom | - | - |
| Factory Pack Quantity | 25 | - | - |
| Subcategory | I/O Modules | - | - |
| Unit Weight | 1.100548 oz | - | - |
| Color | - | Yellow | Yellow |
| Type | - | AC | AC |
| Features | - | Hold Down Screw, Status LED(s) | Hold Down Screw, Status LED(s) |
| Style | - | C4 | C4 |
| Voltage Input | - | 140 ~ 280VAC (240VAC Nom) | 90 ~ 140VAC (120VAC Nom) |
| Current Input | - | 5mA | 14mA |
| Logic Supply Voltage Output | - | 4.5 ~ 30VDC | 4.5 ~ 30VDC |
| Logic Supply Current Output | - | 25mA | 25mA |
| Turn On Time | - | 20ms | 20ms |
| Turn Off Time | - | 20ms | 20ms |