https://www.phoenixcontact.com/us/products/2858305
10/21/2014Page2/5
Surge protection device-TT-STTB-F-2858305
Technical data
Protective circuit
IEC test classification C1
C2
D1
Nominal voltage U
N
150 V DC
110 V AC
Maximum continuous operating voltage U
C
150 V DC
110 V AC
Maximum continuous voltage UC (wire-wire) 150 V DC
110 V AC
Nominal current I
N
2 A
Operating effective current I
C
at U
C
≤ 2 µA
Nominal discharge current I
n
(8/20) µs (Core-Core)
5 kA
Total surge current (8/20) µs 5 kA
Output voltage limitation at 1 kV/µs (Core-Core) spike ≤ 650 V
Output voltage limitation at 1 kV/µs (Core-Core) static ≤ 650 V
Voltage protection level U
P
(Core-Core)
≤ 650 V (C2 (10 kV/5 kA))
Voltage protection level U
P
(Core-Earth)
C2
Response time tA (Core-Core) ≤ 100 ns
Capacity (Core-Core) 2 pF (1 MHz)
Surge current resistance (conductor-conductor) C1 - 1 kV/500 A
C2 - 10 kV/5 kA
D1 (500 A)
Alternating current carrying capacity (conductor-conductor) 2.5 A (1 s)
Alternating current carrying capacity (conductor-ground) 2.5 A (1 s)
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
