1、The baud rate 2400 4800 19200 BPS can be selected through the jumper, and the default baud rate is 9600 BPS. 2、Good working performance, with open, close, jog, self‑lock, interlock, delay, interlock between two channels, 7 working modes. 3、The input and output relationship can be set to be associated (default) and unassociated through commands, with 12 optically isolated input ports (NPN active low). 4、The maximum load of the product is 10A/250VAC, 10A/125VAC, 10A/30VDC, 10A/28VDC, 10A/12VDC. 5、Can be used with peace of mind, with strict quality control and quality assurance. Item Type: Relay Module Working Voltage: DC 12V 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);Size: Approx. 184 x 88 x 42mm / 7.2 x 3.5 x 1.7in(with guide rail box) Weight: Approx. 190 g / 6.7 oz (circuit board); Weight: Approx. 318 g / 11.2 oz (with guide rail box) Maximum Load: 10A/250VAC, 10A/125VAC, 10A/30VDC, 10A/28VDC, 10A/12VDC DIN Rail Box Parameters: Model: UM72 Color: Green Width: Suitable for the use of circuit board width UM72 Insulation Grade: Flame retardant VO grade Base Plate Length: Suitable for approx. 18cm / 7.1in circuit board Net Weight: Approx. 128 g / 4.5 oz Installation Method: DIN35 and C45 rail 1 x Relay Module