Relays safe for A2L refrigerant

TE Connectivity has announced some of its industrial relay series have been certified and approved for use in HVAC equipment using A2L mildly flammable refrigerant gases. 

By January 2025, refrigerants using legacy HFC gases will no longer be allowed due to environmental regulations. By that point, all new residential HVAC units must operate with more eco-friendly gases (A2Ls). Because A2L gases are more flammable it is important to review all HVAC system components to ensure they are not a potential source of ignition. Using components with UL60335-2-40 A2L certification is an acceptable method of compliance for HVAC equipment design. TE is one of the first component manufacturers to receive this approval. 

TE product manager, John Hamilton, said: “With this certification, we have a full product family to help our HVAC manufacturing customers feel confident knowing they have a suite of components that will provide the safer, more reliable performance they need, while meeting government regulations for more environmentally friendly refrigerants.”