Stackpole’s ZOV Series of metal oxide varistors is a series of epoxy coated square varistors with sizes from 23 mm to 60 mm. These high-energy varistors come in a single disc, double, triple and quadruple disc versions with pulse current capabilities of up to 80 kA. This series offers energy handling up to 4100 Joules with working voltages up to 680 Vrms and 895 VDC. The ZOV can be supplied with epoxy coating and rigid terminals, with rigid terminals and no coating, and with a bare metallized disk. In general, they are used in SPD protection modules for Type 1 and Type 1+2 surge protection applications. This type of protectors are suitable for the first level of protection in incoming power distribution panels. These devices are capable of protecting all equipment from direct lightning strikes and are suitable for industrial, commercial and residential applications. Wind and solar power generation is becoming more and more attractive and the ZOV is a good solution for these applications also. The ZOV is available in 1K and 500 pcs quantities depending on size in bulk packaging. Pricing varies with size, voltage, and terminal/coating configuration and ranges from $1.70 to $9.80 each in full package quantities.
Stackpole Electronics, www.seielect.com