Aliso Viejo, California - American Zettler, Inc. has taken the basic design of their venerable AZ932 relay, made significant improvements and given it a new model number - AZ9321. Now with a 20 A, 4400 VA contact rating, the ability to withstand 6 kV lightning surges and a 3000 VRMS dielectric strength, the AZ9321 is perfect for lightning sensitive applications such as HVAC and white goods controllers, irrigation controllers or machine controls. The AZ9321 also has a 1 HP 125/250 VAC rating and a TV-8 tungsten rating. Coil voltages range from 3 through 48 volts and a Class F insulation system is standard. The relay has North American (UL) and International (TUV) approvals and is available RoHS compliant.