EN60950, VDE0805, UL506, UL1950, UL6500. UL recognised, VDE. Miniature Encapsulated PCB Mount 115/230Vac Primary Transformers. This series of fully encapsulated PCB mounting toroidal transformers feature twin 115 V ac 50/60Hz primary windings that can be connected in series to a 230 V supply or in parallel for 115 V supplies. With a low weight and compact size, these toroidal transformers are ideal where space is at a premium, offering low magnetic interference, low noise and high efficiency. An M4 central bush allows for easy mounting. Low profile compact design Fully encapsulated to UL94-V0 Extremely low level of radiated magnetic field Extremely low level of hum and noise High efficiency and low temperature rise Ease of mounting 100% electrical and flash tested