ATB CD Series - PTC Tripping Device

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Figure 10: PTC tripping device
c Rated control supply voltage (A1-A2)
d Normally closed auxiliary contacts (21-22)
e Test/Reset
f Manual/automatic reset
g Thermistor (T1-T2)
h Mains LED (green)
i Remote reset (Y1-Y2)
j Trip LED (red)
k Normally open auxiliary contact (13-14)