https://www.phoenixcontact.com/us/products/3031652
Component terminal block - STTB 2,5-2DIO/UL-O/UR-O - 3031652
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Component terminal block, Connection type: Spring-cage connection, Cross section: 0.08 mm² - 4 mm²,
AWG: 28 - 12, Nominal current: 22 A, Nominal voltage: 250 V, Length: 67.5 mm, Width: 5.2 mm, Color: gray,
Assembly: NS 35/7,5, NS 35/15
The figure shows a version of the
article
Key commercial data
Packing unit
Weight per Piece (excluding packing)
Custom tariff number
Country of origin
11
10.8 GRM
85369010
Poland
Technical data
General
Number of levels
Number of connections
Color
Insulating material
Inflammability class according to UL 94
Maximum load current
Rated surge voltage
Pollution degree
Surge voltage category
Insulating material group
Nominal current I
N
Nominal voltage U
N
Open side panel
2
4
gray
PA
V0
26 A (with 4 mm² conductor cross section)
4 kV
3
III
I
22 A
250 V
ja
Dimensions
Width
Length
5.2 mm
67.5 mm
19.11.2013 Page 1 / 13
https://www.phoenixcontact.com/us/products/3031652
Component terminal block - STTB 2,5-2DIO/UL-O/UR-O - 3031652
Technical data
Dimensions
Height NS 35/7,5
Height NS 35/15
47.5 mm
55 mm
Connection data
Conductor cross section solid min.
Conductor cross section solid max.
Conductor cross section AWG/kcmil min.
Conductor cross section AWG/kcmil max
Conductor cross section stranded min.
Conductor cross section stranded max.
Min. AWG conductor cross section, stranded
Max. AWG conductor cross section, stranded
Conductor cross section stranded, with ferrule without plastic sleeve min.
Conductor cross section stranded, with ferrule without plastic sleeve max.
Conductor cross section stranded, with ferrule with plastic sleeve min.
Conductor cross section stranded, with ferrule with plastic sleeve max.
0.08 mm²
4 mm²
28
12
0.08 mm²
2.5 mm²
28
16
0.14 mm²
2.5 mm²
0.14 mm²
2.5 mm²
2 conductors with same cross section, stranded, TWIN ferrules with plastic
0.5 mm²
sleeve, max.
Connection method
Stripping length
Internal cylindrical gage
Spring-cage connection
10 mm
A3
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
27141127
27141127
27141127
27141127
27141127
27141127
27141127
ETIM
ETIM 2.0
ETIM 3.0
ETIM 4.0
ETIM 5.0
EC000903
EC000903
EC000903
EC000903
19.11.2013 Page 2 / 13
https://www.phoenixcontact.com/us/products/3031652
Component terminal block - STTB 2,5-2DIO/UL-O/UR-O - 3031652
Classifications
UNSPSC
UNSPSC 6.01
UNSPSC 7.0901
UNSPSC 11
UNSPSC 12.01
UNSPSC 13.2
30211811
39121410
39121410
39121410
39121410
Approvals
Approvals
Approvals
UL Recognized / cUL Recognized / GOST / GOST / cULus Recognized
Ex Approvals
Approvals submitted
Approval details
UL Recognized
mm²/AWG/kcmil
Nominal current IN
Nominal voltage UN
B
28-12
20 A
300 V
C
28-12
20 A
300 V
D
28-12
5A
600 V
cUL Recognized
mm²/AWG/kcmil
Nominal current IN
Nominal voltage UN
B
28-12
20 A
300 V
C
28-12
20 A
300 V
D
28-12
5A
600 V
19.11.2013 Page 3 / 13
https://www.phoenixcontact.com/us/products/3031652
Component terminal block - STTB 2,5-2DIO/UL-O/UR-O - 3031652
Approvals
GOST
GOST
cULus Recognized
Accessories
Accessories
Bridge
Plug-in bridge - FBS 20-5 - 3030226
Plug-in bridge, Number of positions: 20, Color: red
Plug-in bridge - FBS 10-5 - 3030213
Plug-in bridge, Number of positions: 10, Color: red
Plug-in bridge - FBS 5-5 - 3030190
Plug-in bridge, Number of positions: 5, Color: red
19.11.2013 Page 4 / 13
https://www.phoenixcontact.com/us/products/3031652
Component terminal block - STTB 2,5-2DIO/UL-O/UR-O - 3031652
Accessories
Plug-in bridge - FBS 4-5 - 3030187
Plug-in bridge, Number of positions: 4, Color: red
Plug-in bridge - FBS 3-5 - 3030174
Plug-in bridge, Number of positions: 3, Color: red
Plug-in bridge - FBS 2-5 - 3030161
Plug-in bridge, Number of positions: 2, Color: red
Plug-in bridge - FBS 50-5 - 3038930
Plug-in bridge, Number of positions: 50, Color: red
Documentation
Mounting material - ST-IL - 3039900
Operating decal for the ST terminal block
19.11.2013 Page 5 / 13
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