This BG Nexus CUB1 bell transformer is part of the BG range of control devices and is suitable for use within any BG metal or insulated consumer unit and any enclosure. It is DIN rail mountable and changes 240V AC power into either 8, 12 or 24V DC, providing constant power to the mains powered door bell. It can be used as part of a high integirty circuit so that it is not effected by an RCD tripping.
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