https://www.phoenixcontact.com/us/produkte/2788391
04.10.2012Page2/6
Surge protection connector-TT-UKK5-T-V-24DC-ST-2788391
Technical data
Protective circuit
IEC category C1
IEC category C3
VDE requirement class C1
VDE requirement class C3
Nominal voltage UN 24 V DC
Maximum continuous operating voltage UC 31 V DC
Maximum continuous operating voltage UC 25 V AC
Maximum continuous voltage UC (wire-wire) 31 V DC
Maximum continuous voltage UC (wire-ground) 25 V DC
Nominal current IN 26 A (40°C)
Operating effective current IC at UC ≤ 150 µA
Nominal discharge surge current In (8/20) µs (Core-Core) 350 A
Total surge current (8/20) µs 350 A
Max. discharge surge current Imax (8/20) µs maximum (Core-
Core)
1 kA
Nominal pulse current Ian (10/1000) µs (Core-Core) 25 A
Residual voltage at In, (conductor-conductor) ≤ 130 V
Response time tA (Core-Core) ≤ 25 ns
Capacity (Core-Core) Typ. 4.6 nF
Surge carrying capacity in acc. with IEC 61643-21 (Core-Core) C1 (500 V / 250 A)
Surge carrying capacity in acc. with IEC 61643-21 (Core-Core) C3 (10 A)
Connection data
Connection method Screw connection (in connection with the base element)
Connection type IN TERMITRAB plug-in system
Connection type OUT TERMITRAB plug-in system
Screw thread M3
Tightening torque 0.5 Nm
Stripping length 8 mm
Conductor cross section stranded min. 0.2 mm²
Conductor cross section stranded max. 4 mm²
Conductor cross section solid min. 0.2 mm²
Conductor cross section solid max. 4 mm²
Conductor cross section AWG/kcmil min. 24
Conductor cross section AWG/kcmil max 12
Connection, protective circuit
Standards/regulations IEC 61643-21
Classifications
eclass
eCl@ss 4.0 27140201
eCl@ss 4.1 27130801
