V47ZA1P TVS Varistor, MOV, 30 V, 38 V, ZA Series, 93 V, Disc 7mm, Metal Oxide Varistor. The ZA series Radial Leaded Metal Oxide Varistor (MOV) is family of transient voltage surge suppressors, designed for use in the protection of low and medium-voltage circuits and systems. Typical applications include motor control, telecom, automotive systems, solenoid and power supply circuits to protect circuit board components and maintain data integrity.