https://www.phoenixcontact.com/us/products/2858166
Surge protection device - TT-STTB-12 - 2858166
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Spring-cage terminal block with suppressor diode as fine surge protection, nominal voltage 12 V DC, for mounting
on NS 35/7.5
Product Features
Can be used in the signal circuits of electronic controllers
Key commercial data
Packing unit
Weight per Piece (excluding packing)
Custom tariff number
Country of origin
1 pc
23.03 GRM
85363010
Germany
Technical data
Dimensions
Height
Width
Depth
83.5 mm
6.2 mm
47.5 mm
Ambient conditions
Ambient temperature (operation)
Degree of protection
-40 °C ... 85 °C
IP20
General
Housing material
Inflammability class according to UL 94
Color
Standards for air and creepage distances
Mounting type
PA 6.6
V0
black
IEC 60664-1
VDE 0110-1
DIN rail: 35 mm
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https://www.phoenixcontact.com/us/products/2858166
Surge protection device - TT-STTB-12 - 2858166
Technical data
General
Type
Direction of action
Double-level terminal block
Line-Line
Protective circuit
IEC test classification
VDE requirement class
Nominal voltage U
N
Maximum continuous operating voltage U
C
Maximum continuous voltage UC (wire-wire)
Nominal current I
N
Operating effective current I
C
at U
C
Nominal discharge current I
n
(8/20) µs (Core-Core)
Total surge current (8/20) µs
Max. discharge current I
max
(8/20) µs maximum (Core-Core)
Nominal pulse current Ian (10/1000) µs (Core-Core)
Output voltage limitation at 1 kV/µs (Core-Earth) spike
Output voltage limitation at 1 kV/µs (Core-Core) static
Residual voltage at I
n
, (conductor-conductor)
Residual voltage with Ian (10/1000)µs (conductor-conductor)
Voltage protection level U
P
(Core-Core)
Response time tA (Core-Core)
Input attenuation aE, sym.
Cut-off frequency fg (3 dB), sym. in 150 Ohm system
Capacity (Core-Core)
Surge current resistance (conductor-conductor)
C3
C3
12 V DC
18 V DC
13 V AC
18 V DC
13 V AC
32 A (60°C)
≤ 5 µA
245 A
245 A
245 A
49 A
≤ 30 V
≤ 30 V
≤ 40 V
≤ 30 V
28 V (C3 - 25 A)
≤ 1 ns
0.1 dB (≤ 200 kHz/150 Ω)
typ. 1.5 MHz
2.5 nF (with 1 MHz)
C3 - 25 A
Connection data
Connection method
Connection type IN
Connection type OUT
Conductor cross section stranded min.
Conductor cross section stranded max.
Conductor cross section solid min.
Conductor cross section solid max.
Conductor cross section AWG/kcmil min.
Conductor cross section AWG/kcmil max
Spring-cage connection
Spring-cage
Spring-cage
0.5 mm²
4 mm²
0.5 mm²
6 mm²
20
10
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https://www.phoenixcontact.com/us/products/2858166
Surge protection device - TT-STTB-12 - 2858166
Schematic diagram
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