https://www.phoenixcontact.com/us/products/3033061
Feed-through terminal block - STU 4-TWIN BU - 3033061
Please be informed that the data shown in this PDF Document is generated from our Online Catalog. Please find the complete data in the user's
documentation. Our General Terms of Use for Downloads are valid
(http://download.phoenixcontact.com)
Feed-through terminal block, Connection type: Screw connection, Spring-cage connection, Cross section: 0.14
mm² - 6 mm², AWG :28- 12, Width: 6.2 mm, Color: blue, Mounting: NS 35/7,5, NS 35/15
Product Features
Compact design
Key commercial data
Packing unit
11
Minimum order quantity
50 1
Weight per Piece (excluding packing)
13.2 GRM
Custom tariff number
85369010
Country of origin
Poland
Technical data
General
Number of levels
1
Number of connections
3
Color
blue
Insulating material
PA
Inflammability class according to UL 94
V0
Maximum load current
32 A (with 6 mm² conductor cross section)
Rated surge voltage
8 kV
Pollution degree
3
Surge voltage category
III
Insulating material group
I
Connection in acc. with standard
IEC 60947-7-1
Nominal current IN
32 A
19.11.2013 Page 1 / 12
https://www.phoenixcontact.com/us/products/3033061
Feed-through terminal block - STU 4-TWIN BU - 3033061
Technical data
General
Nominal voltage UN
800 V
Open side panel
ja
Dimensions
Width
6.2 mm
Length
74.4 mm
Height NS 35/7,5
42.8 mm
Height NS 35/15
50.3 mm
End cover width
2.2 mm
Connection data
Connection method
Screw connection
Stripping length
10 mm
Tightening torque, min
0.6 Nm
Tightening torque max
0.8 Nm
Conductor cross section solid min.
0.14 mm²
Conductor cross section solid max.
6 mm²
Conductor cross section stranded min.
0.14 mm²
Conductor cross section stranded max.
4 mm²
Conductor cross section AWG/kcmil min.
28
Conductor cross section AWG/kcmil max
10
Conductor cross section stranded, with ferrule without plastic sleeve min.
0.14 mm²
Value
0.14 mm²
Conductor cross section stranded, with ferrule without plastic sleeve max.
4 mm²
Value
4 mm²
Conductor cross section stranded, with ferrule with plastic sleeve min.
0.14 mm²
Value
0.14 mm²
Conductor cross section stranded, with ferrule with plastic sleeve max.
4 mm²
Value
4 mm²
2 conductors with same cross section, solid min.
0.14 mm²
2 conductors with same cross section, solid max.
1.5 mm²
2 conductors with same cross section, stranded min.
0.14 mm²
2 conductors with same cross section, stranded max.
1.5 mm²
2 conductors with same cross section, stranded, ferrules without plastic
sleeve, min.
0.14 mm²
Value
0.14 mm²
2 conductors with same cross section, stranded, ferrules without plastic
sleeve, max.
1.5 mm²
Value
1.5 mm²
19.11.2013 Page 2 / 12
https://www.phoenixcontact.com/us/products/3033061
Feed-through terminal block - STU 4-TWIN BU - 3033061
Technical data
Connection data
2 conductors with same cross section, stranded, TWIN ferrules with plastic
0.5 mm²
sleeve, min.
Value
0.5 mm²
2 conductors with same cross section, stranded, TWIN ferrules with plastic
2.5 mm²
sleeve, max.
Value
2.5 mm²
Connection method
Spring-cage connection
Stripping length
10 mm
Conductor cross section solid min.
0.08 mm²
Conductor cross section solid max.
6 mm²
Conductor cross section AWG/kcmil min.
28
Conductor cross section AWG/kcmil max
10
Conductor cross section stranded min.
0.08 mm²
Conductor cross section stranded max.
4 mm²
Conductor cross section stranded, with ferrule without plastic sleeve min.
0.14 mm²
Value
0.14 mm²
Conductor cross section stranded, with ferrule without plastic sleeve max.
4 mm²
Value
4 mm²
Conductor cross section stranded, with ferrule with plastic sleeve min.
0.14 mm²
Value
0.14 mm²
Conductor cross section stranded, with ferrule with plastic sleeve max.
4 mm²
Value
4 mm²
2 conductors with same cross section, stranded, TWIN ferrules with plastic
0.5 mm²
sleeve, min.
Value
0.5 mm²
2 conductors with same cross section, stranded, TWIN ferrules with plastic
1 mm²
sleeve, max.
Value
1 mm²
Classifications
eCl@ss
eCl@ss 4.0
27141121
eCl@ss 4.1
27141121
eCl@ss 5.0
27141120
eCl@ss 5.1
27141120
eCl@ss 6.0
27141120
eCl@ss 7.0
27141120
19.11.2013 Page 3 / 12
https://www.phoenixcontact.com/us/products/3033061
Feed-through terminal block - STU 4-TWIN BU - 3033061
Classifications
eCl@ss
eCl@ss 8.0
27141120
ETIM
ETIM 2.0
EC000897
ETIM 3.0
EC000897
ETIM 4.0
EC000897
ETIM 5.0
EC000897
UNSPSC
UNSPSC 6.01
30211811
UNSPSC 7.0901
39121410
UNSPSC 11
39121410
UNSPSC 12.01
39121410
UNSPSC 13.2
39121410
Approvals
Approvals
Approvals
CSA / UL Recognized / cUL Recognized / GOST / GOST / cULus Recognized
Ex Approvals
Approvals submitted
Approval details
CSA
B
C
mm²/AWG/kcmil
28-10
28-10
Nominal current IN
30 A
30 A
Nominal voltage UN
600 V
600 V
19.11.2013 Page 4 / 12
https://www.phoenixcontact.com/us/products/3033061
Feed-through terminal block - STU 4-TWIN BU - 3033061
Approvals
UL Recognized
B
mm²/AWG/kcmil
28-10
28-10
Nominal current IN
30 A
30 A
Nominal voltage UN
600 V
600 V
B
mm²/AWG/kcmil
28-10
28-10
Nominal current IN
30 A
30 A
Nominal voltage UN
600 V
600 V
C
cUL Recognized
C
GOST
GOST
cULus Recognized
Accessories
Accessories
Bridge
Plug-in bridge - FBS 2-6 - 3030336
Plug-in bridge, Number of positions: 2, Color: red
19.11.2013 Page 5 / 12
https://www.phoenixcontact.com/us/products/3033061
Feed-through terminal block - STU 4-TWIN BU - 3033061
Accessories
Plug-in bridge - FBS 3-6 - 3030242
Plug-in bridge, Number of positions: 3, Color: red
Plug-in bridge - FBS 4-6 - 3030255
Plug-in bridge, Number of positions: 4, Color: red
Plug-in bridge - FBS 5-6 - 3030349
Plug-in bridge, Number of positions: 5, Color: red
Plug-in bridge - FBS 10-6 - 3030271
Plug-in bridge, Number of positions: 10, Color: red
Plug-in bridge - FBS 20-6 - 3030365
Plug-in bridge, Number of positions: 20, Color: red
19.11.2013 Page 6 / 12
https://www.phoenixcontact.com/us/products/3033061
Feed-through terminal block - STU 4-TWIN BU - 3033061
Accessories
Plug-in bridge - FBS 50-6 - 3032224
Plug-in bridge, Number of positions: 50, Color: red
Documentation
Mounting material - ST-IL - 3039900
Operating decal for the ST terminal block
End cover
End cover - D-STU 4-TWIN - 3033087
End cover, Length: 74.4 mm, Width: 2.2 mm, Color: gray
Spacer plate - DP PS-5 - 3036725
Spacer plate, Color: red
Insulating sleeve
19.11.2013 Page 7 / 12
https://www.phoenixcontact.com/us/products/3033061
Feed-through terminal block - STU 4-TWIN BU - 3033061
Accessories
Insulating sleeve - ISH 4/0,5 - 3002885
Insulating sleeve, Color: gray
Insulating sleeve - ISH 4/1,0 - 3002898
Insulating sleeve, Color: black
Mounting rail
DIN rail perforated - NS 35/ 7,5 PERF 2000MM - 0801733
DIN rail, material: steel galvanized and passivated with a thick layer, perforated, height 7.5 mm, width 35 mm, length:
2000 mm
DIN rail - NS 35/ 7,5 UNPERF 2000MM - 0801681
DIN rail, material: Steel, unperforated, height 7.5 mm, width 35 mm, length: 2 m
DIN rail - NS 35/ 7,5 WH PERF 2000MM - 1204119
DIN rail 35 mm (NS 35)
19.11.2013 Page 8 / 12
https://www.phoenixcontact.com/us/products/3033061
Feed-through terminal block - STU 4-TWIN BU - 3033061
Accessories
DIN rail - NS 35/ 7,5 WH UNPERF 2000MM - 1204122
DIN rail 35 mm (NS 35)
DIN rail, unperforated - NS 35/ 7,5 AL UNPERF 2000MM - 0801704
DIN rail, unperforated, Width: 35 mm, Height: 7.5 mm, Length: 2000 mm, Color: silver
DIN rail - NS 35/ 7,5 ZN PERF 2000MM - 1206421
DIN rail, material: Galvanized, perforated, height 7.5 mm, width 35 mm, length: 2 m
DIN rail - NS 35/ 7,5 ZN UNPERF 2000MM - 1206434
DIN rail, material: Galvanized, unperforated, height 7.5 mm, width 35 mm, length: 2 m
DIN rail - NS 35/ 7,5 CU UNPERF 2000MM - 0801762
DIN rail, material: Copper, unperforated, height 7.5 mm, width 35 mm, length: 2 m
19.11.2013 Page 9 / 12
https://www.phoenixcontact.com/us/products/3033061
Feed-through terminal block - STU 4-TWIN BU - 3033061
Accessories
End cap - NS 35/ 7,5 CAP - 1206560
DIN rail end piece, for DIN rail NS 35/7.5
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
Test plug terminal block
Test adapter - PAI-4-FIX-5/6 BU - 3035975
Test adapter, for 4 mm Ø safety test plugs, latches into the bridge shaft; color: Blue
Test adapter - PAI-4-FIX-5/6 OG - 3035974
Test adapter, for 4 mm Ø safety test plugs, latches into the bridge shaft; color: Orange
Test adapter - PAI-4-FIX-5/6 YE - 3035977
Test adapter, for 4 mm Ø safety test plugs, latches into the bridge shaft; color: Yellow
19.11.2013 Page 10 / 12
https://www.phoenixcontact.com/us/products/3033061
Feed-through terminal block - STU 4-TWIN BU - 3033061
Accessories
Test adapter - PAI-4-FIX-5/6 RD - 3035976
Test adapter, for 4 mm Ø safety test plugs, latches into the bridge shaft; color: Red
Test adapter - PAI-4-FIX-5/6 GN - 3035978
Test adapter, for 4 mm Ø safety test plugs, latches into the bridge shaft; color: Green
Test adapter - PAI-4-FIX-5/6 BK - 3035980
Test adapter, for 4 mm Ø safety test plugs, latches into the bridge shaft; color: Black
Test adapter - PAI-4-FIX-5/6 GY - 3035982
Test adapter, for 4 mm Ø safety test plugs, latches into the bridge shaft; color: Gray
Test adapter - PAI-4-FIX-5/6 VT - 3035979
Test adapter, for 4 mm Ø safety test plugs, latches into the bridge shaft; color: Violet
19.11.2013 Page 11 / 12
https://www.phoenixcontact.com/us/products/3033061
Feed-through terminal block - STU 4-TWIN BU - 3033061
Accessories
Test adapter - PAI-4-FIX-5/6 BN - 3035981
Test adapter, for 4 mm Ø safety test plugs, latches into the bridge shaft; color: Brown
Test adapter - PS-5 - 3030983
Test adapter, Color: red
Test plugs - PS-5/2,3MM RD - 3038723
Test plugs, Color: red
Drawings
Circuit diagram
© Phoenix Contact 2013 - all rights reserved
http://www.phoenixcontact.com
19.11.2013 Page 12 / 12