https://www.phoenixcontact.com/us/products/2858946
Surge protection device - TT-ST-M-SFP-24AC - 2858946
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TERMITRAB, spring-cage modular terminal block with integrated surge protection as a filter circuit and
disconnect knives, for assembly on NS 35/7.5, voltage U
N
24 V DC, terminal width: 6.2 mm, cover width: 2.2 mm
Product Features
Combined protective circuit for absorbing transient surge voltages and high-frequency interference voltages
With spring-cage connection
Disconnection of signal circuits by disconnect knife
Packing unit
1 pc
30.15 GRM
85363030
Germany
Key commercial data
Weight per Piece (excluding packing)
Custom tariff number
Country of origin
Technical data
Dimensions
Height
Width
Depth
100 mm
6.2 mm
63.5 mm
Ambient conditions
Ambient temperature (operation)
Degree of protection
-40 °C ... 85 °C
IP20
General
Housing material
Inflammability class according to UL 94
Color
PA 6.6
V2
black
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Surge protection device - TT-ST-M-SFP-24AC - 2858946
Technical data
General
Standards for air and creepage distances
Surge voltage category
Pollution degree
Mounting type
Type
Direction of action
EN 60664-1
IEC 60664-1
III
2
DIN rail: 35 mm
Double-level terminal block
Line-Earth Ground
Protective circuit
IEC test classification
VDE requirement class
Nominal voltage U
N
Maximum continuous operating voltage U
C
Maximum continuous voltage U
C
(wire-ground)
Nominal current I
N
Operating effective current I
C
at U
C
Residual current I
PE
Nominal discharge current I
n
(8/20) µs (Core-Earth)
Total surge current (8/20) µs
Max. discharge current I
max
(8/20) µs maximum (Core-Earth)
Nominal pulse current Ian (10/1000) µs (Core-Earth)
Output voltage limitation at 1 kV/µs (Core-Earth) spike
Output voltage limitation at 1 kV/µs (Core-Earth) static
Residual voltage at I
n
, (conductor-ground)
Residual voltage with Ian (10/1000)µs (conductor-ground)
Voltage protection level U
P
(Core-Earth)
Response time tA (Core-Earth)
Input attenuation aE, asym.
Cut-off frequency fg (3 dB), asym. (PE) in 50 Ohm system
Cut-off frequency fg (3 dB), asym. (PE) in 150 Ohm system
Capacity (Core-Earth)
C1
C3
C1
C3
24 V AC
38 V DC
30 V AC
38 V DC
30 V AC
0.5 A (55°C)
≤ 100 µA (per path)
≤ 1 mA (per path)
350 A
700 A
1.5 kA (per path)
3 kA (in total)
60 A (per path)
120 A (in total)
≤ 70 V
≤ 70 V
≤ 80 V
≤ 80 V
≤ 80 V (C1 (500 V/250 A))
≤ 25 ns
typ. 40 dB (1 MHz / 50 Ω)
typ. 60 kHz
typ. 20 kHz
130 nF
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Surge protection device - TT-ST-M-SFP-24AC - 2858946
Technical data
Protective circuit
Inductivity in series
Resistance in series
Max. required back-up fuse
Surge current resistance (conductor-ground)
100 µH (per path)
0.5 Ω (per path)
500 mA (e.g. T in acc. with IEC 127-2/III)
C1 (500 A/250 A)
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
0.2 mm²
2.5 mm²
0.2 mm²
4 mm²
24
12
Standards and Regulations
Standards/specifications
IEC 61643-21/A1 2008
EN 61643-21/A1 2009
Classifications
eCl@ss
eCl@ss 4.0
eCl@ss 4.1
eCl@ss 5.0
eCl@ss 5.1
eCl@ss 6.0
eCl@ss 7.0
eCl@ss 8.0
27140201
27130801
27130801
27130801
27130807
27130807
27130807
ETIM
ETIM 2.0
ETIM 3.0
ETIM 4.0
ETIM 5.0
EC000943
EC000943
EC000943
EC000943
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Surge protection device - TT-ST-M-SFP-24AC - 2858946
Classifications
UNSPSC
UNSPSC 6.01
UNSPSC 7.0901
UNSPSC 11
UNSPSC 12.01
UNSPSC 13.2
30212010
39121610
39121610
39121610
39121620
Approvals
Approvals
Approvals
GOST / GOST / UL Listed
Ex Approvals
Approvals submitted
Approval details
GOST
GOST
UL Listed
Drawings
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Surge protection device - TT-ST-M-SFP-24AC - 2858946
Diagram
100
Dimensioned drawing
100
a
E
80
60
dB
6,2
2
1
150
W
20
0
10 kHz
1 kHz
1
Symmetrical
2
Asymmetrical
100 kHz
1 MHz
10 MHz
Frequency
Circuit diagram
1
3
71
50
W
65,1
40
IN
OUT
2
4
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