Datasheet

https://www.phoenixcontact.com/us/produkte/2858140
Nov 13, 20132/7
Surge protection device-TT-STTB-24-2858140
Technical data
Protective circuit
Maximum continuous operating voltage U
C
28 V AC
Maximum continuous voltage UC (wire-wire)
40 V DC
Maximum continuous voltage UC (wire-wire)
28 V AC
Nominal current I
N
32 A (60°C)
Operating effective current I
C
at U
C
≤ 5 µA
Nominal discharge current I
n
(8/20) µs (Core-Core)
119 A
Total surge current (8/20) µs
119 A
Max. discharge current I
max
(8/20) µs maximum (Core-Core)
119 A
Nominal pulse current Ian (10/1000) µs (Core-Core)
23 A
Output voltage limitation at 1 kV/µs (Core-Earth) spike
≤ 60 V
Output voltage limitation at 1 kV/µs (Core-Core) static
≤ 60 V
Residual voltage at I
n
, (conductor-conductor)
≤ 80 V
Residual voltage with Ian (10/1000)µs (conductor-conductor)
≤ 65 V
Voltage protection level U
P
(Core-Core)
55 V (C3 (10 A))
Response time tA (Core-Core)
≤ 1 ns
Input attenuation aE, sym.
0.1 dB (≤ 400 kHz/150 Ω)
Cut-off frequency fg (3 dB), sym. in 150 Ohm system
typ. 2 MHz
Capacity (Core-Core)
1.1 nF (with 1 MHz)
Surge carrying capacity in acc. with IEC 61643-21 (Core-Core)
C3 (10 A)
Connection data
Connection method
Spring-cage connection
Connection type IN
Spring-cage
Connection type OUT
Spring-cage
Conductor cross section stranded min.
0.5 mm²
Conductor cross section stranded max.
4 mm²
Conductor cross section solid min.
0.5 mm²
Conductor cross section solid max.
6 mm²
Conductor cross section AWG/kcmil min.
20
Conductor cross section AWG/kcmil max
10
Standards and Regulations
Standards/regulations
IEC 61643-21
classifications
eCl@ss
eCl@ss 4.0
27140201
eCl@ss 4.1
27130801
eCl@ss 5.0
27130801
eCl@ss 5.1
27130801
eCl@ss 6.0
27130807