the 30a is 115V only
also get a surge protector
30A Hardwire - Model 35530
Rated 120V, 30A - 2450 Joules!
. Automatic reset on power restoration.
. Multi-mode surge suppression
. Automatically shuts off the power when the following is present:
. Open ground
. Open neutral
. Low (<102V) and High (>132V) Voltage
. Miswired pedestal
. Reverse polarity
. Caution indicator light indicates:
. Elevated ground voltage
. Surge failure indication
. 128 second reset delay protects A/C compressor .
2450 Joules of power surge protection .
Easy installation .
Optional Remote Power Monitor LCD Display, p/n 40300, (sold separately) .
Plugs into remote port on Surge Guard model 35530 (see above) .
Compatible with previous models with a telecom jack .
16 Detailed Fault Screens .
Joystick for easy screen navigation .
Plug and Play (cable included)