Phase♡ single phase
voltage ac♡ 45v-250v / 5 relays
frequency♡ 50hz/60hz
voltage range♡ ac220v±10%
frequency 50hz/60hz
power factor♡ 100%
control type♡ relay
over volt protection♡ yes
low volt protection♡ yes
over current♡ yes
digital display♡ show input and output voltage
temperature protection♡115 degree