Relay Module 12 In 12 Out Electronic Component Without Shell RS485 Board N4D8C12 24V Item Type: Relay Module Working Voltage: DC 24V Working Current: Standby 14MA 1 relay conducts 44MA 2 relays conduct 69MA 3 relays conduct 95MA 4 relays conduct 121MA 5 relays conduct 149MA 6 relays conduct 175MA 7 relays conduct 199MA 8 relays turn on 226MA, etc. Ports: 12 optically isolated input ports (NPN is active at low level). The input/output relationship can be set to be associated (default) and not associated with instructions. 7 Working Modes: Open, close, jog, self-lock, interlock, delay, interlock between two channels The Default Baud Rate: 9600BPS, you can select the baud rate 2400 4800 19200 BPS through the jump line. Size: Approx. 180 x 72 x 20mm / 7.1 x 2.8 x 0.8in (circuit board); Weight: Approx. 190 g / 6.7 oz (circuit board); Weight: Approx. 318 g / 11.2 oz (box with guide rail) Maximum Load: 10A/250VAC, 10A/125VAC, 10A/30VDC, 10A/28VDC, 10A/12VDC