Legrand bell transformer, 4 modules, primary voltage 230 VAC, secondary voltage AC 24 V/12 V, nominal current 1 A/1.5 A, power 24 VA/18 VA, for bells, buzzers. Bell transformer according to EN 61558-2-8, not suitable for continuous loads. Integrated short circuit and overload protection, with label window, fastening on top hat rail EN 60715 by means of a snap-on fastening.