Technical specificationsRD3M power supply voltage 230-400 VAC +10% / -15%RD3M-48 power supply voltage 12-48 VAC/VDC +10% / -15%RD3M / RD3M-48 power supply frequency 50-60 HzFrequency filtering YESType A (up to I∆n = 5 A)Operating temperature -25 °C ... +70 °CRD3M max power consumption <3,6 WRD3M-48 max power consumption <600 mWRegulation of I∆n operating threshold 0.03-0.1-0.3-0.5-1-2-3-5-10-30Regulation of operating threshold ∆t 0-0.06-0.2-0.3-0,5-1-2-3-5-10Pre-alarm threshold 60% I∆nMax toroid-relay connection resistance 3 ΩMax remote button-reset connection distance 15 mOutput contact capacity 8 A 250 VACMax terminal wire section 2.5 mm 2Modules 3Dimensions 52.8 × 85 × 64.7 [mm]Protection class IP 20Reference standard IEC 60947-2 annex M25B_76x88mm_Rd3M_rev4.indd 25 19/09/11 11:02