ElectronicsThe KAQY212A with Solid State Relays SMD-4 RoHS is a miniature 4-channel latching solid state relay manufactured by Cosmo Electronics. This device features a UL recognized, RoHS compliant case and offers a wide range of functionality, including on-off control, short circuit protection, and insulation protection. It also features a low switching noise and low input power consumption. The KAQY212A is suitable for use in electronic appliances, home automation, heating, ventilation, and air conditioning applications.