Modular ringer for din rail KDOB Kanlux The electric bell it is used for acoustic signaling without the need for a bell transformer. 230VAC mains power supply. Information base EAN13:  5905339232618 Vendor code: 23261 Color:   white Weight and dimensions Height [mm]:   83 Width [mm]:  70 Length [mm]: 18 Weight: 82g   Technical data Rated voltage [V]:  230 AC Nominal frequency [Hz]: 50/60 Color:   white Noise level [dB]:  78 IP Grade 20 Modules:   1 Mount location:   for binary TH35 Standard:  PN-EN61558-1