EMC features:

• check Green LED + protective diode, standard polarity(6)
• check Green LED + varistor(6)
• check Green LED without EMC protection(5)
• check Leakage resistance(2)
• check Protection diode, standard polarity(2)
• check RC member(4)
• check Red LED + protective diode, standard polarity(1)
• check Red LED + varistor(2)

Operating voltage:

• check (6…24) In AC/DC(4)
• check (6…24) In DC(2)
• check (28…60) In AC/DC(2)
• check (28…60) In DC(2)
• check (110…220) V DC(2)
• check (110…240) V AC/DC(4)