Overload protection of the current inputs; No; ±5.2 V DC, maximum, Imax = 50 mA
Overload protection of the voltage inputs; ±30 V DC, maximum
Reverse polarity protection; Polarity protection diode
Surge protection; electronic (35 V, 0.5 s)
Transient protection of inputs; Suppressor diode
Transient protection; Suppressor diode