TEST
RESET
TEST
RESET
RESET
Remote
Reset
Remote
Reset
FAULTFAULT
FAULT
t [s]
FAULT
FAULTFAULT
t [s]
FAULT
OFF
OFF
ON
ON
3 sec.
FAULT
10 11 12
7 8 9
7 8 9
10 11 12
10 11 12
10 11 12
7 8 9
7 8 9
Technical specifications
RD3M 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 Hz
Frequency filtering YES
Type A (up to
I
∆n
= 5 A)
Operating temperature -25 °C ... +70 °C
RD3M max power consumption <3,6 W
RD3M-48 max power consumption <600 mW
Regulation of I∆n operating threshold 0.03-0.1-0.3-0.5-1-2-3-5-10-30
Regulation of operating threshold ∆t 0-0.06-0.2-0.3-0,5-1-2-3-5-10
Pre-alarm threshold 60% I∆n
Max toroid-relay connection resistance 3 Ω
Max remote button-reset connection distance 15 m
Output contact capacity 8 A 250 VAC
Max terminal wire section 2.5 mm
2
Modules 3
Dimensions 52.8 × 85 × 64.7 [mm]
Protection class IP 20
Reference standard IEC 60947-2 annex M
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ABB_76x88mm_RD3M_rev4.indd 25 19/09/11 11:02