American ZETTLER: AZ2280 Relay Achieves UL 121201 Certification
As the North American HVAC-R industry transitions towards lower global warming potential (GWP) refrigerants, the demand for components that meet stringent safety and performance criteria has intensified. ZETTLER is proud to announce that its popular AZ2280 series of power relays has successfully passed the rigorous UL 121201 certification, affirming its compliance with the requirements of UL 60335 for applications using A3 refrigerants.
