.WS-EB(Electric Bell) .Electric Bell .Rated Voltage:220V/5W .Standard DIN 35mm rail Maximum connecting ability of 6SQMM,wiring torque 1.5Nm Protection class:IP201.GENERALE6 electric bell is used for alarming and indicating in circuit of AC 230V ,AC 50/60Hz.1).Standard DIN 35mm rail2).Maximum connecting ability of 6SQMM,wiring torque 1.5Nm.3).Protection class:IP20.