https://www.phoenixcontact.com/us/products/3040753
Component terminal block - STTB 2,5/2P-DIO/O-U - 3040753
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Component terminal block, Cross section: 0.08 mm² - 4 mm², AWG: 28 - 12, Connection type: Spring-cage/plug-
in connection, Width: 5.2 mm, Color: gray, Mounting type: NS 35/15, NS 35/7,5
Product Features
The color coding of the PE and N levels helps to create clear and unambiguous potential distribution
Potential routing on two levels
These mixed versions combine the advantages of double-level feed-through terminal blocks and ground terminal blocks of the same shape
Key commercial data
Packing unit
Weight per Piece (excluding packing)
Custom tariff number
Country of origin
11
10.58 GRM
85369010
Germany
Technical data
General
Number of levels
Number of connections
Color
Insulating material
Inflammability class according to UL 94
Rated surge voltage
Pollution degree
Surge voltage category
Insulating material group
Connection in acc. with standard
Nominal current I
N
Nominal voltage U
N
Open side panel
2
3
gray
PA
V0
6 kV
3
III
I
IEC 61984
24 A
500 V
ja
19.11.2013 Page 1 / 33
https://www.phoenixcontact.com/us/products/3040753
Component terminal block - STTB 2,5/2P-DIO/O-U - 3040753
Technical data
Dimensions
Width
Length
Height NS 35/7,5
Height NS 35/15
5.2 mm
71.5 mm
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
14
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/plug-in 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
27141117
27141117
27141120
27141120
27141120
27141120
27141120
ETIM
ETIM 2.0
ETIM 3.0
EC000902
EC000902
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https://www.phoenixcontact.com/us/products/3040753
Component terminal block - STTB 2,5/2P-DIO/O-U - 3040753
Classifications
ETIM
ETIM 4.0
ETIM 5.0
EC000902
EC000903
UNSPSC
UNSPSC 6.01
UNSPSC 7.0901
UNSPSC 11
UNSPSC 12.01
UNSPSC 13.2
30211811
39121410
39121410
39121410
39121410
Approvals
Approvals
Approvals
GOST / GL / GOST
Ex Approvals
Approvals submitted
Approval details
GOST
GL
GOST
Accessories
Accessories
19.11.2013 Page 3 / 33
https://www.phoenixcontact.com/us/products/3040753
Component terminal block - STTB 2,5/2P-DIO/O-U - 3040753
Accessories
Bridge
Plug-in bridge - FBS 2-5 - 3030161
Plug-in bridge, Number of positions: 2, Color: red
Plug-in bridge - FBS 3-5 - 3030174
Plug-in bridge, Number of positions: 3, Color: red
Plug-in bridge - FBS 4-5 - 3030187
Plug-in bridge, Number of positions: 4, Color: red
Plug-in bridge - FBS 5-5 - 3030190
Plug-in bridge, Number of positions: 5, Color: red
Plug-in bridge - FBS 10-5 - 3030213
Plug-in bridge, Number of positions: 10, Color: red
19.11.2013 Page 4 / 33
https://www.phoenixcontact.com/us/products/3040753
Component terminal block - STTB 2,5/2P-DIO/O-U - 3040753
Accessories
Plug-in bridge - FBS 20-5 - 3030226
Plug-in bridge, Number of positions: 20, Color: red
Plug-in bridge - FBS 50-5 - 3038930
Plug-in bridge, Number of positions: 50, Color: red
Coding element
Coding star - PC - 3040588
Coding star, Length: 3 mm, Width: 3 mm, Height: 6 mm, Color: red
Documentation
Mounting material - ST-IL - 3039900
Operating decal for the ST terminal block
End cover
19.11.2013 Page 5 / 33
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