Description:4-channel relay control module, using industrial-grade high-quality components, carefully designed and processed, stable performance, simple operation, can be widely used in various power control applications.Features:LEDindicator for each relay channel.High quality screw terminal block, FR-4 fiber glass PCB, dual copper layers.High quality PCB housing, DIN rail mountable.Protect circuit action, when the power polarity wrong, components cannot easily be burned.Compatible with PNP / NPN, meet your basic need.Specifications:Channel: 4-channelRelay mounting: PluggableContact: One on one offRated load current: 16AInput indicator light: Bipolar LEDModule install: U guide rail C45Compatible with: NPN / PNPDrive voltage: DC 24VApplication: PLC, DIN rail mountSize: Approx. 7.7 x 8.5 x 6.5cm / 3.03 x 3.35 x 2.6inchWeight: Approx. 250gPackage Included:1 x Relay Module.Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.