Metal oxide varistor

Solution
http://au.rs-online.com/web/c/passive-components/variable-resistors/metal-oxide-varistors/?cm_mmc=AU-PPC-_-google-_-1_AU_EN_G_Resistors_BMM-_-Metal_Oxide_Varistors&mkwid=s1xtine9s_dc|pcrid|85444626510|pkw|%2Bmetal%20%2Boxide%20%2Bvaristor%20%2Bselection|pmt|b|prd|

There are plenty of 200 and 240 v MO varistors
http://au.rs-online.com/web/c/passive-components/variable-resistors/metal-oxide-varistors/?cm_mmc=AU-PPC-_-google-_-1_AU_EN_G_Resistors_BMM-_-Metal_Oxide_Varistors&mkwid=s1xtine9s_dc|pcrid|85444626510|pkw|%2Bmetal%20%2Boxide%20%2Bvaristor%20%2Bselection|pmt|b|prd|

There are plenty of 200 and 240 v MO varistors
 
Solution