"Description:The RAC04 series is an extremely compact, universal AC/DC power module for PCB mounting.
It features extremely low no-load current consumption, short circuit, overload and output overvoltage protection, and an integrated Class B EMC filter.
A high input voltage version (suffix /277) is also available for input voltages up to 305 V AC or 430 V.
Features:Ultra-compact AC-DC power supply unit4-watt PCB mount enclosureUniversal input voltage range including 277 V AC3 kV AC isolation (Class II)Very low input current without loadDual output version for standby relay circuitsShort circuit-protectedEN/UL-certified, CE marked"