https://www.phoenixcontact.com/us/products/3050316
Feed-through terminal block - QTCU 2,5-TWIN BU - 3050316
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Feed-through terminal block, Connection type: Quick connection, Screw connection, Cross section: 0.5 mm² - 2.5
mm², AWG :20- 14, Width: 6.2 mm, Color: blue, Mounting: NS 35/7,5, NS 35/15
Product Features
The hybrid versions combine the advantages of the different connection technologies
The time-saving QUICKON fast connection is used on the control cabinet side
The screw connection is used on the connection side
Key commercial data
Packing unit
11
Minimum order quantity
50 1
Weight per Piece (excluding packing)
15.4 GRM
Custom tariff number
85369010
Country of origin
China
Technical data
General
Note
The max. load current must not be exceeded by the total current of all
connected conductors.
Number of levels
1
Number of connections
3
Color
blue
Insulating material
PA
Inflammability class according to UL 94
V0
Maximum load current
24 A (with 2.5 mm² conductor cross section)
Rated surge voltage
8 kV
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Feed-through terminal block - QTCU 2,5-TWIN BU - 3050316
Technical data
General
Pollution degree
3
Surge voltage category
III
Insulating material group
I
Connection in acc. with standard
IEC 60947-7-1
Nominal current IN
24 A
Nominal voltage UN
800 V
Open side panel
ja
Dimensions
Width
6.2 mm
Length
82.5 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
Quick connection
Conductor cross section solid min.
0.5 mm²
Conductor cross section solid max.
2.5 mm²
Conductor cross section stranded min.
0.5 mm²
Conductor cross section stranded max.
2.5 mm²
Conductor cross section AWG/kcmil min.
20
Conductor cross section AWG/kcmil max
14
Material wire insulation
PVC / PE
Connection method
Screw connection
Screw thread
M3
Tightening torque, min
0.6 Nm
Tightening torque max
0.8 Nm
Stripping length
9 mm
Conductor cross section solid min.
0.14 mm²
Conductor cross section solid max.
6 mm²
Conductor cross section AWG/kcmil min.
26
Conductor cross section AWG/kcmil max
10
Conductor cross section stranded min.
0.14 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
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Feed-through terminal block - QTCU 2,5-TWIN BU - 3050316
Technical data
Connection data
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
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
Classifications
eCl@ss
eCl@ss 4.0
27141130
eCl@ss 4.1
27141130
eCl@ss 5.0
27141130
eCl@ss 5.1
27141130
eCl@ss 6.0
27141120
eCl@ss 7.0
27141120
eCl@ss 8.0
27141120
ETIM
ETIM 2.0
EC000897
ETIM 3.0
EC000897
ETIM 4.0
EC000897
ETIM 5.0
EC000897
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Feed-through terminal block - QTCU 2,5-TWIN BU - 3050316
Classifications
UNSPSC
UNSPSC 6.01
30211811
UNSPSC 7.0901
39121410
UNSPSC 11
39121410
UNSPSC 12.01
39121410
UNSPSC 13.2
39121410
Approvals
Approvals
Approvals
UL Recognized / cUL Recognized / GOST / GL / DNV / GOST / cULus Recognized
Ex Approvals
IECEx / ATEX
Approvals submitted
Approval details
UL Recognized
B
mm²/AWG/kcmil
20-14
20-14
Nominal current IN
15 A
15 A
Nominal voltage UN
600 V
600 V
B
mm²/AWG/kcmil
20-14
20-14
Nominal current IN
15 A
15 A
Nominal voltage UN
600 V
600 V
C
cUL Recognized
C
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Feed-through terminal block - QTCU 2,5-TWIN BU - 3050316
Approvals
GOST
GL
DNV
GOST
cULus Recognized
Accessories
Accessories
Bridge
Plug-in bridge - FBS 2-6 - 3030336
Plug-in bridge, Number of positions: 2, Color: red
Plug-in bridge - FBS 3-6 - 3030242
Plug-in bridge, Number of positions: 3, Color: red
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Feed-through terminal block - QTCU 2,5-TWIN BU - 3050316
Accessories
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
Plug-in bridge - FBS 50-6 - 3032224
Plug-in bridge, Number of positions: 50, Color: red
Documentation
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Feed-through terminal block - QTCU 2,5-TWIN BU - 3050316
Accessories
Mounting material - QTC-IL - 3039926
Operating decal for the QTS 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
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, for assembly on NS 32 or NS 35/7.5 DIN rail
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Feed-through terminal block - QTCU 2,5-TWIN BU - 3050316
Accessories
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-QTCU 2,5 TWIN - 3050510
End cover, Length: 82.5 mm, Width: 2.2 mm, Color: gray
Cover segment - DS-QTC 2,5 - 3206607
Cover segment, Length: 72 mm, Width: 0 mm, Height: 36.5 mm, Color: gray
Spacer plate - DP PS-6 - 3036738
Spacer plate, Color: red
Labeled terminal marker
Zack marker strip - ZB 6 CUS - 0824992
Zack marker strip, Can be ordered: Strip, white, Labeled according to customer specifications, Mounting type: Snap into
tall marker groove, For terminal block width: 6.2 mm, Lettering field: 6.15 x 10.5 mm
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Feed-through terminal block - QTCU 2,5-TWIN BU - 3050316
Accessories
Marker for terminal blocks - UC-TM 6 CUS - 0824589
Marker for terminal blocks, Can be ordered: By sheet, white, Labeled according to customer specifications, Mounting
type: Snap into tall marker groove, For terminal block width: 6.2 mm, Lettering field: 5.6 x 10.5 mm
Marker for terminal blocks - UCT-TM 6 CUS - 0829602
Marker for terminal blocks, Can be ordered: By sheet, white, Labeled according to customer specifications, Mounting
type: Snap into tall marker groove, For terminal block width: 6.2 mm, Lettering field: 5.6 x 10.5 mm
Zack Marker strip, flat - ZBF 6 CUS - 0825027
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: 6.2 mm, Lettering field: 5.15 x 6.15 mm
Marker for terminal blocks - UC-TMF 6 CUS - 0824646
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: 6.2 mm, Lettering field: 5.6 x 5.1 mm
Marker for terminal blocks - UCT-TMF 6 CUS - 0829665
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: 6.2 mm, Lettering field: 5.4 x 4.7 mm
Mounting rail
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Feed-through terminal block - QTCU 2,5-TWIN BU - 3050316
Accessories
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)
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
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Feed-through terminal block - QTCU 2,5-TWIN BU - 3050316
Accessories
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
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, material: steel galvanized and passivated with a thick layer, perforated, height 15 mm, width 35 mm, length:
2000 mm
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Feed-through terminal block - QTCU 2,5-TWIN BU - 3050316
Accessories
DIN rail - NS 35/15 UNPERF 2000MM - 1201714
DIN rail, material: Steel, unperforated, height 15 mm, width 35 mm, length: 2 m
DIN rail - NS 35/15 WH PERF 2000MM - 0806602
DIN rail 35 mm (NS 35)
DIN rail - NS 35/15 WH UNPERF 2000MM - 1204135
DIN rail 35 mm (NS 35)
DIN rail, unperforated - NS 35/15 AL UNPERF 2000MM - 1201756
DIN rail, deep drawn, high profile, unperforated, 1.5 mm thick, material: aluminum, height 15 mm, width 35 mm, length
2000 mm
DIN rail - NS 35/15 ZN PERF 2000MM - 1206599
DIN rail, material: Galvanized, perforated, height 15 mm, width 35 mm, length: 2 m
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Feed-through terminal block - QTCU 2,5-TWIN BU - 3050316
Accessories
DIN rail - NS 35/15 ZN UNPERF 2000MM - 1206586
DIN rail, material: Galvanized, unperforated, height 15 mm, width 35 mm, length: 2 m
DIN rail - NS 35/15 CU UNPERF 2000MM - 1201895
DIN rail, material: Copper, unperforated, 1.5 mm thick, height 15 mm, width 35 mm, length: 2 m
End cap - NS 35/15 CAP - 1206573
DIN rail end piece, for DIN rail NS 35/15
DIN rail - NS 35/15-2,3 UNPERF 2000MM - 1201798
DIN rail, material: Steel, unperforated, 2.3 mm thick, height 15 mm, width 35 mm, length: 2 m
Partition plate
Partition plate - ATP-QTC TWIN - 3206212
Partition plate, Length: 84.4 mm, Width: 2 mm, Height: 46 mm, Color: gray
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Feed-through terminal block - QTCU 2,5-TWIN BU - 3050316
Accessories
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
Terminal marking
Zack marker strip - ZB 6:UNBEDRUCKT - 1051003
Zack marker strip, Strip, white, Unlabeled, Can be labeled with: Plotter, Mounting type: Snap into tall marker groove, For
terminal block width: 6.2 mm, Lettering field: 6.15 x 10.5 mm
Marker for terminal blocks - UC-TM 6 - 0818085
Marker for terminal blocks, Sheet, white, Unlabeled, Can be labeled with: BLUEMARK CLED, BLUEMARK LED, Plotter,
Mounting type: Snap into tall marker groove, For terminal block width: 6.2 mm, Lettering field: 5.6 x 10.5 mm
Marker for terminal blocks - UCT-TM 6 - 0828736
Marker for terminal blocks, Sheet, white, Unlabeled, Can be labeled with: THERMOMARK CARD PLUS, THERMOMARK
CARD, BLUEMARK CLED, BLUEMARK LED, Mounting type: Snap into tall marker groove, For terminal block width: 6.2
mm, Lettering field: 5.6 x 10.5 mm
Zack Marker strip, flat - ZBF 6:UNBEDRUCKT - 0808710
Zack Marker strip, flat, Strip, white, Unlabeled, Can be labeled with: Plotter, Mounting type: Snap into flat marker groove,
For terminal block width: 6.2 mm, Lettering field: 5.15 x 6.15 mm
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Feed-through terminal block - QTCU 2,5-TWIN BU - 3050316
Accessories
Marker for terminal blocks - UC-TMF 6 - 0818140
Marker for terminal blocks, Sheet, white, Unlabeled, Can be labeled with: BLUEMARK CLED, BLUEMARK LED, Plotter,
Mounting type: Snap into flat marker groove, For terminal block width: 6.2 mm, Lettering field: 5.6 x 5.1 mm
Marker for terminal blocks - UCT-TMF 6 - 0828746
Marker for terminal blocks, Sheet, white, Unlabeled, Can be labeled with: THERMOMARK CARD PLUS, THERMOMARK
CARD, BLUEMARK CLED, BLUEMARK LED, Mounting type: Snap into flat marker groove, For terminal block width: 6.2
mm, Lettering field: 5.4 x 4.7 mm
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
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Feed-through terminal block - QTCU 2,5-TWIN BU - 3050316
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
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Feed-through terminal block - QTCU 2,5-TWIN BU - 3050316
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-6 - 3030996
Test adapter, Color: red
Test plugs - PS-6/2,3MM RD - 3038736
Test plugs, Color: red
Drawings
Circuit diagram
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