Surge protector for the protection circuits 2 and independently operated, voltage 24V, 450mA rated current, rated surge current 10kA / 20kA peak current (curves 8 / 20us) line resistance 2.2 ohms. Temperature range -40 ° C ... 85 °, IP20. Test IEC / MS / UL. EU test certification according to ATEX. PLUGTRAB - 2XEX EN (I) ST--24DC. Phoenix Contact.