https://www.phoenixcontact.com/us/products/3031556
Component terminal block - STTB 2,5-DIO 1N 5408K /O-U - 3031556
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Component terminal block, with integrated diode 1N 5408K, nom. voltage: 500 V, nominal current: 1.5 A,
connection method: Spring-cage connection, cross section: 0.08 mm² - 4 mm², AWG: 28 - 12, length: 67.5 mm,
width: 5.2 mm, color: gray, mounting: NS 35/7,5, NS 35/15, nom. voltage: 500 V
Why buy this product
For more versions and versions for soldering in components yourself, visit phoenixcontact.net/products
Double-level diode and LED terminal blocks perform a wide range of switching tasks
Key Commercial Data
Packing unit
1 STK
Minimum order quantity
50 STK
GTIN
GTIN
4046356984157
Weight per Piece (excluding packing)
10.800 g
Custom tariff number
85369010
Country of origin
Poland
Technical data
General
Number of levels
2
Number of connections
4
Potentials
2
Nominal cross section
2.5 mm²
Color
gray
Insulating material
PA
Flammability rating according to UL 94
V0
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Component terminal block - STTB 2,5-DIO 1N 5408K /O-U - 3031556
Technical data
General
Maximum load current
26 A (with 4 mm² conductor cross section)
Rated surge voltage
6 kV
Degree of pollution
3
Overvoltage category
III
Insulating material group
I
Maximum power dissipation for nominal condition
0.77 W (the value is multiplied when connecting multiple levels)
Maximum load current
1.5 A (The max. current is determined by the diode. Integrated diode 1N
5408K, reverse voltage 1000 V, maximum continuous current 1.5 A.)
Nominal current IN
1.5 A
Nominal voltage UN
500 V
Open side panel
Yes
Shock protection test specification
DIN EN 50274 (VDE 0660-514):2002-11
Back of the hand protection
guaranteed
Finger protection
guaranteed
Result of surge voltage test
Test passed
Surge voltage test setpoint
7.3 kV
Result of power-frequency withstand voltage test
Test passed
Power frequency withstand voltage setpoint
1.89 kV
Result of the test for mechanical stability of terminal points (5 x conductor
connection)
Test passed
Result of bending test
Test passed
Bending test rotation speed
10 rpm
Bending test turns
135
Bending test conductor cross section/weight
0.08 mm² / 0.1 kg
2.5 mm² / 0.7 kg
4 mm² / 0.9 kg
Tensile test result
Test passed
Conductor cross section tensile test
0.08 mm²
Tractive force setpoint
5N
Conductor cross section tensile test
2.5 mm²
Tractive force setpoint
50 N
Conductor cross section tensile test
4 mm²
Tractive force setpoint
60 N
Result of tight fit on support
Test passed
Tight fit on carrier
NS 35
Setpoint
1N
Short circuit stability result
Test passed
Conductor cross section short circuit testing
2.5 mm²
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Component terminal block - STTB 2,5-DIO 1N 5408K /O-U - 3031556
Technical data
General
Short-time current
0.3 kA
Conductor cross section short circuit testing
4 mm²
Short-time current
0.48 kA
Result of thermal test
Test passed
Ageing test for screwless modular terminal block temperature cycles
192
Proof of thermal characteristics (needle flame) effective duration
30 s
Result of aging test
Test passed
Oscillation, broadband noise test result
Test passed
Test specification, oscillation, broadband noise
DIN EN 50155 (VDE 0115-200):2008-03
Test spectrum
Service life test category 2, bogie-mounted
Test frequency
f1 = 5 Hz to f2 = 250 Hz
ASD level
6.12 (m/s ) /Hz
Acceleration
3.12 g
Test duration per axis
5h
Test directions
X-, Y- and Z-axis
Shock test result
Test passed
Test specification, shock test
DIN EN 50155 (VDE 0115-200):2008-03
Shock form
Half-sine
Acceleration
30g
Shock duration
18 ms
Number of shocks per direction
3
Test directions
X-, Y- and Z-axis (pos. and neg.)
Relative insulation material temperature index (Elec., UL 746 B)
130 °C
2 2
Temperature index of insulation material (DIN EN 60216-1 (VDE 0304-21)) 125 °C
Static insulating material application in cold
-60 °C
Behavior in fire for rail vehicles (DIN 5510-2)
Test passed
Flame test method (DIN EN 60695-11-10)
V0
Oxygen index (DIN EN ISO 4589-2)
>32 %
NF F16-101, NF F10-102 Class I
2
NF F16-101, NF F10-102 Class F
2
Surface flammability NFPA 130 (ASTM E 162)
passed
Specific optical density of smoke NFPA 130 (ASTM E 662)
passed
Smoke gas toxicity NFPA 130 (SMP 800C)
passed
Calorimetric heat release NFPA 130 (ASTM E 1354)
27,5 MJ/kg
Fire protection for rail vehicles (DIN EN 45545-2) R22
HL 1 - HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R23
HL 1 - HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R24
HL 1 - HL 3
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Component terminal block - STTB 2,5-DIO 1N 5408K /O-U - 3031556
Technical data
General
Fire protection for rail vehicles (DIN EN 45545-2) R26
HL 1 - HL 3
Dimensions
Width
5.2 mm
End cover width
2.2 mm
Length
67.5 mm
Height NS 35/7,5
47.5 mm
Height NS 35/15
55 mm
Connection data
Connection method
Spring-cage connection
Conductor cross section solid min.
0.08 mm²
Conductor cross section solid max.
4 mm²
Conductor cross section AWG min.
28
Conductor cross section AWG max.
12
Conductor cross section flexible min.
0.08 mm²
Conductor cross section flexible max.
2.5 mm²
Min. AWG conductor cross section, flexible
28
Max. AWG conductor cross section, flexible
16
Conductor cross section flexible, with ferrule without plastic sleeve min.
0.14 mm²
Conductor cross section flexible, with ferrule without plastic sleeve max.
2.5 mm²
Conductor cross section flexible, with ferrule with plastic sleeve min.
0.14 mm²
Conductor cross section flexible, with ferrule with plastic sleeve max.
2.5 mm²
2 conductors with same cross section, stranded, TWIN ferrules with plastic
0.5 mm²
sleeve, max.
Stripping length
10 mm
Internal cylindrical gage
A3
Standards and Regulations
Flammability rating according to UL 94
V0
Fire protection for rail vehicles (DIN EN 45545-2) R22
HL 1 - HL 3 HL 1 - HL 3 HL 1 - HL 3 HL 1 - HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R23
HL 1 - HL 3 HL 1 - HL 3 HL 1 - HL 3 HL 1 - HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R24
HL 1 - HL 3 HL 1 - HL 3 HL 1 - HL 3 HL 1 - HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R26
HL 1 - HL 3 HL 1 - HL 3 HL 1 - HL 3 HL 1 - HL 3
Environmental Product Compliance
China RoHS
Environmentally Friendly Use Period = 50
For details about hazardous substances go to tab “Downloads”, Category
“Manufacturer's declaration”
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Component terminal block - STTB 2,5-DIO 1N 5408K /O-U - 3031556
Drawings
Circuit diagram
Classifications
eCl@ss
eCl@ss 5.1
27141127
eCl@ss 6.0
27141120
eCl@ss 8.0
27141127
eCl@ss 9.0
27141127
ETIM
ETIM 4.0
EC000903
ETIM 5.0
EC000903
ETIM 6.0
EC000903
UNSPSC
UNSPSC 13.2
39121410
Approvals
Approvals
Approvals
CSA / UL Recognized / cUL Recognized / EAC / cULus Recognized
Ex Approvals
Approval details
CSA
http://www.csagroup.org/services-industries/product-listing/
B
C
mm²/AWG/kcmil
28-12
28-12
Nominal voltage UN
300 V
300 V
13631
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Component terminal block - STTB 2,5-DIO 1N 5408K /O-U - 3031556
Approvals
UL Recognized
http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm
B
C
D
mm²/AWG/kcmil
28-12
28-12
28-12
Nominal current IN
20 A
20 A
5A
Nominal voltage UN
300 V
300 V
600 V
cUL Recognized
http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm
B
C
D
mm²/AWG/kcmil
28-12
28-12
28-12
Nominal current IN
20 A
20 A
5A
Nominal voltage UN
300 V
300 V
600 V
FILE E 60425
FILE E 60425
EAC
EAC-Zulassung
cULus Recognized
http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm
Accessories
Accessories
DIN rail
DIN rail perforated - NS 35/ 7,5 PERF 2000MM - 0801733
DIN rail perforated, Standard profile, width: 35 mm, height: 7.5 mm, in acc. with EN 60715: 2001, material: Steel,
galvanized, passivated with a thick layer, length: 2000 mm, color: silver
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Component terminal block - STTB 2,5-DIO 1N 5408K /O-U - 3031556
Accessories
DIN rail, unperforated - NS 35/ 7,5 UNPERF 2000MM - 0801681
DIN rail, unperforated, Standard profile, width: 35 mm, height: 7.5 mm, in acc. with EN 60715: 2001, material: Steel,
galvanized, passivated with a thick layer, length: 2000 mm, color: silver
DIN rail perforated - NS 35/ 7,5 WH PERF 2000MM - 1204119
DIN rail perforated, Standard profile, width: 35 mm, height: 7.5 mm, in acc. with EN 60715: 2001, material: Steel,
Galvanized, white passivated, length: 2000 mm, color: white
DIN rail, unperforated - NS 35/ 7,5 WH UNPERF 2000MM - 1204122
DIN rail, unperforated, Standard profile, width: 35 mm, height: 7.5 mm, in acc. with EN 60715: 2001, material: Steel,
Galvanized, white passivated, length: 2000 mm, color: white
DIN rail, unperforated - NS 35/ 7,5 AL UNPERF 2000MM - 0801704
DIN rail, unperforated, Standard profile, width: 35 mm, height: 7.5 mm, in acc. with EN 60715: 2001, material: Aluminum,
uncoated, length: 2000 mm, color: silver
DIN rail perforated - NS 35/ 7,5 ZN PERF 2000MM - 1206421
DIN rail perforated, Standard profile, width: 35 mm, height: 7.5 mm, in acc. with EN 60715: 2001, material: Steel,
galvanized, length: 2000 mm, color: silver
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Component terminal block - STTB 2,5-DIO 1N 5408K /O-U - 3031556
Accessories
DIN rail, unperforated - NS 35/ 7,5 ZN UNPERF 2000MM - 1206434
DIN rail, unperforated, Standard profile, width: 35 mm, height: 7.5 mm, in acc. with EN 60715: 2001, material: Steel,
galvanized, length: 2000 mm, color: silver
DIN rail, unperforated - NS 35/ 7,5 CU UNPERF 2000MM - 0801762
DIN rail, unperforated, Standard profile, width: 35 mm, height: 7.5 mm, in acc. with EN 60715: 2001, material: Copper,
uncoated, length: 2000 mm, color: copper-colored
End cap - NS 35/ 7,5 CAP - 1206560
DIN rail end piece, for DIN rail NS 35/7.5
DIN rail perforated - NS 35/15 PERF 2000MM - 1201730
DIN rail perforated, Standard profile, width: 35 mm, height: 15 mm, similar to EN 60715: 2001, material: Steel,
galvanized, passivated with a thick layer, length: 2000 mm, color: silver
DIN rail, unperforated - NS 35/15 UNPERF 2000MM - 1201714
DIN rail, unperforated, Standard profile, width: 35 mm, height: 15 mm, similar to EN 60715: 2001, material: Steel,
galvanized, passivated with a thick layer, length: 2000 mm, color: silver
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Component terminal block - STTB 2,5-DIO 1N 5408K /O-U - 3031556
Accessories
DIN rail perforated - NS 35/15 WH PERF 2000MM - 0806602
DIN rail perforated, Standard profile, width: 35 mm, height: 15 mm, similar to EN 60715: 2001, material: Steel,
Galvanized, white passivated, length: 2000 mm, color: white
DIN rail, unperforated - NS 35/15 WH UNPERF 2000MM - 1204135
DIN rail, unperforated, Standard profile, width: 35 mm, height: 15 mm, similar to EN 60715: 2001, material: Steel,
Galvanized, white passivated, length: 2000 mm, color: white
DIN rail, unperforated - NS 35/15 AL UNPERF 2000MM - 1201756
DIN rail, unperforated, Standard profile, width: 35 mm, height: 15 mm, similar to EN 60715: 2001, material: Aluminum,
uncoated, length: 2000 mm, color: silver
DIN rail perforated - NS 35/15 ZN PERF 2000MM - 1206599
DIN rail perforated, Standard profile, width: 35 mm, height: 15 mm, similar to EN 60715: 2001, material: Steel,
galvanized, length: 2000 mm, color: silver
DIN rail, unperforated - NS 35/15 ZN UNPERF 2000MM - 1206586
DIN rail, unperforated, Standard profile, width: 35 mm, height: 15 mm, similar to EN 60715: 2001, material: Steel,
galvanized, length: 2000 mm, color: silver
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Component terminal block - STTB 2,5-DIO 1N 5408K /O-U - 3031556
Accessories
DIN rail, unperforated - NS 35/15 CU UNPERF 2000MM - 1201895
DIN rail, unperforated, Standard profile, width: 35 mm, height: 15 mm, similar to EN 60715: 2001, material: Copper,
uncoated, length: 2000 mm, color: copper-colored
End cap - NS 35/15 CAP - 1206573
DIN rail end piece, for DIN rail NS 35/15
DIN rail, unperforated - NS 35/15-2,3 UNPERF 2000MM - 1201798
DIN rail, unperforated, Standard profile 2.3 mm, width: 35 mm, height: 15 mm, in acc. with EN 60715: 2001,
material: Steel, galvanized, passivated with a thick layer, length: 2000 mm, color: silver
Documentation
Mounting material - ST-IL - 3039900
Operating decal for the ST terminal block
End block
End clamp - CLIPFIX 35 - 3022218
Quick mounting end clamp for NS 35/7,5 DIN rail or NS 35/15 DIN rail, with marking option, width: 9.5 mm, color: gray
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Component terminal block - STTB 2,5-DIO 1N 5408K /O-U - 3031556
Accessories
End clamp - CLIPFIX 35-5 - 3022276
Quick mounting end clamp for NS 35/7,5 DIN rail or NS 35/15 DIN rail, with marking option, with parking option for
FBS...5, FBS...6, KSS 5, KSS 6, width: 5.15 mm, color: gray
End clamp - E/NS 35 N - 0800886
End clamp, width: 9.5 mm, color: gray
End clamp - E/UK - 1201442
End clamp, width: 9.5 mm, height: 35.3 mm, material: PA, length: 50.5 mm, Mounting on a DIN rail NS 32 or NS 35,
color: gray
End clamp - E/UK 1 - 1201413
End clamps, for supporting the ends of double-level and three-level terminal blocks, width: 10 mm, color: gray
End cover
End cover - D-STTB 2,5 - 3030459
End cover, length: 67.5 mm, width: 2.2 mm, height: 47.5 mm, color: gray
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Component terminal block - STTB 2,5-DIO 1N 5408K /O-U - 3031556
Accessories
Filler plug
Filler plugs - CEC 2,5 - 3062757
Cover for conductor shaft, 10-pos., for spring cage terminal blocks (ST) and terminal blocks with push-in technology (PT)
with a width of 5.2 mm
Insulating sleeve
Insulating sleeve - ISH 2,5/0,2 - 3002843
Insulating sleeve, color: white
Insulating sleeve - ISH 2,5/0,5 - 3002856
Insulating sleeve, color: gray
Insulating sleeve - ISH 2,5/1,0 - 3002869
Insulating sleeve, color: black
Jumper
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Component terminal block - STTB 2,5-DIO 1N 5408K /O-U - 3031556
Accessories
Plug-in bridge - FBS 20-5 - 3030226
Plug-in bridge, pitch: 5.2 mm, number of positions: 20, color: red
Plug-in bridge - FBS 10-5 - 3030213
Plug-in bridge, pitch: 5.2 mm, length: 22.7 mm, width: 50.6 mm, number of positions: 10, color: red
Plug-in bridge - FBS 5-5 - 3030190
Plug-in bridge, pitch: 5.2 mm, length: 22.7 mm, width: 24.6 mm, number of positions: 5, color: red
Plug-in bridge - FBS 4-5 - 3030187
Plug-in bridge, pitch: 5.2 mm, length: 22.7 mm, width: 19.4 mm, number of positions: 4, color: red
Plug-in bridge - FBS 3-5 - 3030174
Plug-in bridge, pitch: 5.2 mm, length: 22.7 mm, width: 14.2 mm, number of positions: 3, color: red
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Component terminal block - STTB 2,5-DIO 1N 5408K /O-U - 3031556
Accessories
Plug-in bridge - FBS 2-5 - 3030161
Plug-in bridge, pitch: 5.2 mm, length: 22.7 mm, width: 9 mm, number of positions: 2, color: red
Plug-in bridge - FBS 50-5 - 3038930
Plug-in bridge, pitch: 5.2 mm, number of positions: 50, color: red
Plug-in bridge - FBSR 2-5 - 3033702
Plug-in bridge, pitch: 5.2 mm, number of positions: 2, color: red
Plug-in bridge - FBSR 3-5 - 3001591
Plug-in bridge, pitch: 5.2 mm, number of positions: 3, color: red
Plug-in bridge - FBSR 4-5 - 3001592
Plug-in bridge, pitch: 5.2 mm, number of positions: 4, color: red
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Component terminal block - STTB 2,5-DIO 1N 5408K /O-U - 3031556
Accessories
Plug-in bridge - FBSR 5-5 - 3001593
Plug-in bridge, pitch: 5.2 mm, number of positions: 5, color: red
Plug-in bridge - FBSR 10-5 - 3033710
Plug-in bridge, pitch: 5.2 mm, number of positions: 10, color: red
Plug-in bridge - FBS 2-5 BU - 3036877
Plug-in bridge, pitch: 5.2 mm, number of positions: 2, color: blue
Plug-in bridge - FBS 3-5 BU - 3036880
Plug-in bridge, pitch: 5.2 mm, number of positions: 3, color: blue
Plug-in bridge - FBS 4-5 BU - 3036893
Plug-in bridge, pitch: 5.2 mm, number of positions: 4, color: blue
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Component terminal block - STTB 2,5-DIO 1N 5408K /O-U - 3031556
Accessories
Plug-in bridge - FBS 5-5 BU - 3036903
Plug-in bridge, pitch: 5.2 mm, number of positions: 5, color: blue
Plug-in bridge - FBS 10-5 BU - 3036916
Plug-in bridge, pitch: 5.2 mm, number of positions: 10, color: blue
Plug-in bridge - FBS 20-5 BU - 3036929
Plug-in bridge, pitch: 5.2 mm, number of positions: 20, color: blue
Plug-in bridge - FBS 50-5 BU - 3032114
Plug-in bridge, pitch: 5.2 mm, number of positions: 50, color: blue
Labeled terminal marker
Zack Marker strip, flat - ZBF 5 CUS - 0825025
Zack Marker strip, flat, can be ordered: Strip, white, labeled according to customer specifications, mounting type: snap
into flat marker groove, for terminal block width: 5 mm, lettering field size: 5.15 x 5.15 mm
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Component terminal block - STTB 2,5-DIO 1N 5408K /O-U - 3031556
Accessories
Zack Marker strip, flat - ZBF 5,LGS:FORTL.ZAHLEN - 0808671
Zack Marker strip, flat, Strip, white, labeled, printed horizontally: consecutive numbers 1 - 10, 11 - 20, etc. up to 491 500, mounting type: snap into flat marker groove, for terminal block width: 5 mm, lettering field size: 5.15 x 5.15 mm
Zack Marker strip, flat - ZBF 5,QR:FORTL.ZAHLEN - 0808697
Zack Marker strip, flat, Strip, white, labeled, Printed vertically: consecutive numbers 1 - 10, 11 - 20, etc. up to 91 - 100,
mounting type: snap into flat marker groove, for terminal block width: 5 mm, lettering field size: 5.15 x 5.15 mm
Zack Marker strip, flat - ZBF 5,LGS:GERADE ZAHLEN - 0810821
Zack Marker strip, flat, Strip, white, labeled, printed horizontally: consecutive numbers 2 - 20, 22 - 40, etc. up to 82 - 100,
mounting type: snap into flat marker groove, for terminal block width: 5 mm, lettering field size: 5.15 x 5.15 mm
Zack Marker strip, flat - ZBF 5,LGS:UNGERADE ZAHLEN - 0810863
Zack Marker strip, flat, Strip, white, labeled, printed horizontally: Odd numbers 1 - 19, 21 - 39, etc. up to 81 - 99,
mounting type: snap into flat marker groove, for terminal block width: 5 mm, lettering field size: 5.15 x 5.15 mm
Marker for terminal blocks - UC-TMF 5 CUS - 0824638
Marker for terminal blocks, can be ordered: by sheet, white, labeled according to customer specifications, mounting type:
snap into flat marker groove, for terminal block width: 5.2 mm, lettering field size: 4.6 x 5.1 mm
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Component terminal block - STTB 2,5-DIO 1N 5408K /O-U - 3031556
Accessories
Marker for terminal blocks - UCT-TMF 5 CUS - 0829658
Marker for terminal blocks, can be ordered: by sheet, white, labeled according to customer specifications, mounting type:
snap into flat marker groove, for terminal block width: 5.2 mm, lettering field size: 4.4 x 4.7 mm
Marker carriers
Marker carriers - STP 5-2 - 0800967
Double marker carrier, snaps onto the double-level spring-cage terminal block STTB 2,5, STTB 4, PTTB 2,5, PTTB 4 can
be marked with UC-TM 5, ZB 5 or UC-TMF 5, ZBF 5
Partition plate
Partition plate - ATP-STTB 4 - 3030747
Partition plate, length: 88.7 mm, width: 2 mm, height: 53 mm, color: gray
Screwdriver tools
Screwdriver - SZF 1-0,6X3,5 - 1204517
Actuation tool, for ST terminal blocks, also suitable for use as a bladed screwdriver, size: 0.6 x 3.5 x 100 mm, 2component grip, with non-slip grip
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Component terminal block - STTB 2,5-DIO 1N 5408K /O-U - 3031556
Accessories
Screwdriver - ST-BW - 1207608
Actuation tool, for all 2.5 mm² - 4.0 mm² spring-cages
Terminal marking
Zack Marker strip, flat - ZBF 5:UNBEDRUCKT - 0808642
Zack Marker strip, flat, Strip, white, unlabeled, can be labeled with: CMS-P1-PLOTTER, PLOTMARK, mounting type:
snap into flat marker groove, for terminal block width: 5 mm, lettering field size: 5.1 x 5.2 mm
Marker for terminal blocks - UC-TMF 5 - 0818153
Marker for terminal blocks, Sheet, white, unlabeled, can be labeled with: BLUEMARK CLED, BLUEMARK LED, CMSP1-PLOTTER, PLOTMARK, mounting type: snap into flat marker groove, for terminal block width: 5.2 mm, lettering field
size: 4.6 x 5.1 mm
Marker for terminal blocks - UCT-TMF 5 - 0828744
Marker for terminal blocks, Sheet, white, unlabeled, can be labeled with: THERMOMARK PRIME, THERMOMARK
CARD, BLUEMARK CLED, BLUEMARK LED, TOPMARK LASER, mounting type: snap into flat marker groove, for
terminal block width: 5.2 mm, lettering field size: 4.4 x 4.7 mm
Test socket
Test adapter - PAI-4-N GY - 3032871
4 mm test adapter, for terminal blocks with 5.2 mm, 6.2 mm and 8.2 mm pitch
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Component terminal block - STTB 2,5-DIO 1N 5408K /O-U - 3031556
Accessories
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