Read the highlighted section , this PSU will auto adjust to your voltage in Ireland.
Input Voltage
100 - 240 V
Corsair Builder Series CX600 Features:
Supports the latest ATX12V v2.2 standard and is backwards compatible with ATX12V 2.01 systems.
Rated up to 600W of continuous power output at 40ºC
Extra long fully sleeved cables to support full tower chassis and assist with flexible cable routing.
Ultra-quiet 120mm double ball-bearing fan delivers excellent airflow at an exceptionally low noise level by varying the RPM in response to temperature.
High efficiency topology to ensure energy savings.
99% Active Power Factor Correction provides clean and reliable power to your system.
Universal AC input 90~264V automatically scans and detects the correct voltage. No more hassle of flipping that red switch!
Dedicated single +12V rail offers maximum compatibility with latest components
Over Current/Voltage/Power Protection, Under Voltage Protection, and Short Circuit Protection provide maximum safety to your critical system components.
Standard ATX PS/2 size: 5.9"(W) x 3.4"(H) X 5.5"(L); 150mm(W) x 86mm(H) x 140mm(L)
MTBF: 100,000 Hours