Arduino Compatible 8 Channel Relay Module

Available in one, four and eight channel versions, these modules can switch up to 10A per channel. Includes back-EMF (ElecroMagnetic Frequency) protection and LEDs so you can easily see the state of the outputs. The four and eight channel versions even have optical isolation to protect your main board. The one channel version operates directly from 5V.

Features:

•    Status LEDs show channel status
•    Active High logic
•    Screw terminals for easy connection to relay contact.
•    SPDT Relays
•    Current Ratings:
          10A @ 250VAC
          10A @ 30VDC
•    Four mounting holes on each module