Aliso Viejo, California – ISO/ TS 16949, the demanding quality standard for automotive product production is met by American Zettler's AZ973 / AZ974 relay series relay factory. Rugged and dependable, the 40 amp rated AZ973 / AZ974 series relays offer versatility and quality at a low cost. Both the AZ973 and AZ974 series are available in SPST and SPDT configurations with options for an integral diode or resistor across the coil. The AZ973 has a standard Mini-ISO terminal layout and various cover configurations while the AZ974 has PCB terminals.