DIANN 2pcs 12V 30A 2-Channel Relay Module High Low Level Trigger with Optocoupler Isolation Load DC 30V AC 250V 30A for PLC Automation Equipment Control Industrial Control
| Country | USA |
| Manufacturer | Elsevier Science |
| Binding | Kindle Edition |
| ReleaseDate | 2013-10-22 |
| Format | Kindle eBook |