Features Premium Performance: Dual-channel DC control dual-channel AC, with high-strength screws, high-brightness red and green indicator lights, easy to operate. Rugged and Durable: The relay has brass contacts for good electrical conductivity, thickened heat dissipation base, durable and long service life Flame Retardant Material: This relay adopts a flame retardant shell to prevent moisture, shock, wear and corrosion, and has a long service life and is more secure to use. Seiko Manufacturing: This relay has exquisite workmanship, each of our products is carefully designed and manufactured, and we have a strict quality control system to ensure product quality and quality stability. Excellent After-sales Service: We provide you with high-quality after-sales service. If you have any questions, please feel free to contact us, and we will deal with it for you as soon as possible. Specification: Item Type: Solid State Relay Model: SK10DA/SK25DA/SK40DA (optional) Rated AC Current: 10A / 25A / 40A (optional for corresponding models) Rated AC Voltage: 24-480AC Control Voltage: 3-32VDC Control Current: ≤20mA Control Method: DC controlled AC Type: Dual DC Control Dual AC Indicator: Red + green Product Size: Approx. 58 x 44 x 28mm / 2.3 x 1.7 x 1.1in Package List: 1 x Relay1 x Terminal Package List 1 x Relay 1 x Terminal