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مدل: ex resistel
Line voltage 24 VDC to 66 VDC Line current 15 mA to 100 mA Ringing alternating current 24 VAC to 90 VAC (at 21...54 Hz ringing frequency) 30 VAC to 90 VAC (at 16.6...54 Hz ringing frequency) Ring tone impedance Greater than 6.0 KΩ at 25 Hz and 24...90 VAC. Greater than 4.0 KΩ at 50 Hz and 24...90 VAC Inquiry key Flash function may be set to 80 ms, 120 ms, 600 ms Dialling procedure PD-DTMF operation to be set in the menu. PD operation where the pulse/pause ratio can be set to 1.5:1 or 2:1 in the menu W-conductor Connection for external secondary sounder Screw terminals Up to 4 mm2 rigid, Up to 2.5 mm2 flexible Enviromental conditions Degree of protection IP 66 according to EN60529 Impact protection IK 09 according to EN50102 Operating temperature -25 °C to +60 °C for temperature class T5 -25 °C to +40 °C for temperature class T6 Storage temperature -25 °C to +70 °C