8 Relays USB Controlled Module Module Intelligent Appliance 8 Relays. USB Powered and Controlled. N.C. Output option. Small footprint. Din Rail Mounted. Relay Status LEDs. The IA-3308-U is a tiny and inteligent 8 relays module, powered and controlled by any USB port. On up to 2 relays the N.C. contact may be chosen as relays output instead of the N.O. contact, by an internal jumper. The common line is shared between each 2 relays, to ease the wiring efforts. The IA-3308-U is one of the IA-33xx Tiny Modules Series, providing 8 relays, with a powerhandling capability of 2AMP@30VDC, while status of each relay is localy displayed and may be easily set by supplied software. The module is software compatible to the IA series. Control Port Communication Method: Default BR: Relay Output: Relay Type: Contact Rating: Relay ON Time: Relay OFF Time Channels: GENERAL Supply Voltage: Module size: Weight: ORDERING IA-3308-U 8 Relays USB Powered and Controlled Module USB cable included Specifications subject to change without notice.