230-400Vac input voltage Input voltage adjustment taps:±15V Safety isolating transformer with electrostatic screen 4510V input/output isolation Integral output protection fuse provided Twin output terminals for ease of connection Green output LED Easy to read - laser engraved label with international conformity symbols Supplied with a connection link for quick connection between terminals and earth up to 15A High quality manufacturing and testing conforming to IEC/EN 61 558-2-6, UL60950 (up to10A), CAN/CSA -C22.22 No.60 950.00. Compatible with EN 61 131-2, EN 60 204 and EN 60 439-1 apparatus