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Phoenix Contact 3050304
AllConnectorsTerminal blocksFast connection

3050304

Official Distributor

By Phoenix Contact

SKU
PHX3050304
MPN
QTCU 2,5-TWIN-MT
Weight
0.015 kg
Series QTCU

QTCU 2,5-TWIN-MT - Knife-disconnect terminal block

Knife-disconnect terminal block, nom. voltage: 400 V, nominal current: 20 A, connection method: Quick connection, Rated cross section: 2.5 mm2, cross section: 0.5 mm2 - 2.5 mm2, connection method: Screw connection, Rated cross section: 2.5 mm2, cross section: 0.14 mm2 - 6 mm2, mounting: NS 35/7,5, NS 35/15, color: gray

  • 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
Technical Specifications

Product properties

Number of Connections3
Number of rows1
Potentials1

Insulation characteristics

Overvoltage categoryIII
Degree of pollution3

Electrical properties

Rated surge voltage6 kV
Maximum power dissipation for nominal condition0.77 W

Connection data

Number of connections per level3
Frequency of connections with the same cross section100
Nominal cross section2.5 mm²
Rated cross section AWG14
Material wire insulationPVC / PE
Connection in acc. with standardIEC 60947-7-1
Conductor cross section rigid0.5 mm² ... 2.5 mm²
Cross section AWG20 ... 14 (converted acc. to IEC)
Conductor cross section flexible0.5 mm² ... 2.5 mm²
Conductor cross section, flexible [AWG]20 ... 14 (converted acc. to IEC)
Nominal Current20 A
Maximum Load Current20 A (with a 2.5 mm² conductor cross section)
Nominal Voltage400 V
Nominal cross section2.5 mm²
Screw threadM3
Tightening torque0.6 ... 0.8 Nm
Stripping length9 mm
Connection in acc. with standardIEC 60947-7-1
Conductor cross section rigid0.14 mm² ... 6 mm²
Cross section AWG26 ... 10 (converted acc. to IEC)
Conductor cross section flexible0.14 mm² ... 4 mm²
Conductor cross-section flexible (ferrule without plastic sleeve)0.14 mm² ... 4 mm²
Flexible conductor cross section (ferrule with plastic sleeve)0.14 mm² ... 4 mm²
2 conductors with same cross section, solid0.14 mm² ... 1.5 mm²
2 conductors with same cross section, flexible0.14 mm² ... 1.5 mm²
2 conductors with same cross section, flexible, with ferrule without plastic sleeve0.14 mm² ... 1.5 mm²
2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve0.5 mm² ... 2.5 mm²
Nominal Current20 A
Maximum Load Current20 A (with 2.5 mm² conductor connection cross section)
Nominal Voltage400 V
Nominal cross section2.5 mm²

Dimensions

Width6.2 mm
End cover width2.2 mm

Material specifications

Colorgray
Flammability rating according to UL 94V0
Insulating material groupI
Insulating materialPA
Static insulating material application in cold-60 °C
Relative insulation material temperature index (Elec., UL 746 B)130 °C
Fire protection for rail vehicles (DIN EN 45545-2) R22HL 1 - HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R23HL 1 - HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R24HL 1 - HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R26HL 1 - HL 3
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

Surge voltage test

Test voltage setpoint6 kV
ResultTest passed

Temperature-rise test

Requirement temperature-rise testIncrease in temperature ≤ 45 K
ResultTest passed
Short-time withstand current 2.5 mm²0.3 kA
ResultTest passed

Power-frequency withstand voltage

Test voltage setpoint1.89 kV
ResultTest passed

Mechanical data

Open side panelYes

Mechanical strength

ResultTest passed

Attachment on the carrier

DIN rail/fixing supportNS 35
Test force setpoint1 N
ResultTest passed

Test for conductor damage and slackening

Rotation speed10 rpm
Revolutions135
Conductor cross section/weight4 mm² / 0.9 kg
Conductor cross section/weight6 mm² / 1.4 kg
ResultTest passed
Rotation speed10 rpm
Revolutions135
Conductor cross section/weight0.5 mm² / 0.3 kg
Conductor cross section/weight2.5 mm² / 0.7 kg
ResultTest passed

Needle-flame test

Time of exposure30 s
ResultTest passed

Oscillation/broadband noise

SpecificationDIN EN 50155 (VDE 0115-200):2008-03
SpectrumService life test category 1, class B, body mounted
Frequencyf1 = 5 Hz to f2 = 150 Hz
ASD level1.857 (m/s²)²/Hz
Acceleration0.8g
Test duration per axis5 h
Test directionsX-, Y- and Z-axis
ResultTest passed

Shocks

SpecificationDIN EN 50155 (VDE 0115-200):2008-03
Pulse shapeHalf-sine
Acceleration5g
Shock duration30 ms
Number of shocks per direction3
Test directionsX-, Y- and Z-axis (pos. and neg.)
ResultTest passed

Ambient conditions

Ambient Temperature (Operation)-60 °C ... 105 °C (max. short-term operating temperature RTI Elec.)
Ambient temperature (storage/transport)-25 °C ... 60 °C (for a short time, not exceeding 24 h, -60 °C to +70 °C)
Ambient temperature (assembly)-5 °C ... 70 °C
Ambient temperature (actuation)-5 °C ... 70 °C
Permissible humidity (storage/transport)30 % ... 70 %

Standards and Regulations

Connection in acc. with standardIEC 60947-7-1
Connection in acc. with standardIEC 60947-7-1

Mounting

Mounting TypeNS 35/7,5
Mounting TypeNS 35/15
Accessories
  • 3050511
    3050511
    D-QTCU 2,5-TWIN-MT - End cover, width: 2.2 mm, height: 35.1 mm, color: gray
  • 3206607
    3206607
    DS-QTC 2,5 - Cover segment, depth: 36.5 mm, height: 72 mm, color: gray
  • 1204517
    1204517
    Screwdriver - SZF 1-0,6X3,5
  • 3206212
    3206212
    Partition plate - ATP-QTC TWIN
  • 3039926
    3039926
    QTC-IL, Operating decal for the QTS terminal block
  • 3247954
    3247954
    Switching lock - S-MT
  • 3030336
    3030336
    FBS 2-6 - Plug-in bridge, pitch: 6.2 mm, number of positions: 2, color: red
  • 3030242
    3030242
    FBS 3-6 - Plug-in bridge, pitch: 6.2 mm, number of positions: 3, color: red
  • 3030255
    3030255
    Plug-in bridge, pitch: 6.2 mm, number of positions: 4, color: red
  • 3030349
    3030349
    FBS 5-6 - Plug-in bridge, pitch: 6.2 mm, number of positions: 5, color: red
  • 1008238
    1008238
    FBS 6-6 - Plug-in bridge, One side not fully isolated, pitch: 6.2 mm, number of positions: 6, color: red
  • 3030271
    3030271
    FBS 10-6 - Plug-in bridge, pitch: 6.2 mm, number of positions: 10, color: red
  • 3030365
    3030365
    Plug-in bridge, pitch: 6.2 mm, number of positions: 20, color: red
  • 3032224
    3032224
    FBS 50-6 - Plug-in bridge, pitch: 6.2 mm, number of positions: 50, color: red
  • 3033715
    3033715
    FBSR 2-6 - Plug-in bridge, pitch: 6.2 mm, number of positions: 2, color: red
  • 3001594
    3001594
    FBSR 3-6 - Plug-in bridge, pitch: 6.2 mm, number of positions: 3, color: red
  • 3001595
    3001595
    FBSR 4-6 - Plug-in bridge, pitch: 6.2 mm, number of positions: 4, color: red
  • 3001596
    3001596
    FBSR 5-6 - Plug-in bridge, pitch: 6.2 mm, number of positions: 5, color: red
  • 3033716
    3033716
    FBSR 10-6 - Plug-in bridge, pitch: 6.2 mm, number of positions: 10, color: red
  • 3036932
    3036932
    Plug-in bridge, pitch: 6.2 mm, number of positions: 2, color: blue
  • 3036945
    3036945
    FBS 3-6 BU - Plug-in bridge, pitch: 6.2 mm, number of positions: 3, color: blue
  • 3036958
    3036958
    FBS 4-6 BU - Plug-in bridge, pitch: 6.2 mm, number of positions: 4, color: blue
  • 3036961
    3036961
    FBS 5-6 BU - Plug-in bridge, pitch: 6.2 mm, number of positions: 5, color: blue
  • 3032198
    3032198
    FBS 10-6 BU - Plug-in bridge, pitch: 6.2 mm, number of positions: 10, color: blue
  • 3032208
    3032208
    FBS 20-6 BU - Plug-in bridge, pitch: 6.2 mm, number of positions: 20, color: blue
  • 3032211
    3032211
    FBS 50-6 BU - Plug-in bridge, pitch: 6.2 mm, number of positions: 50, color: blue
  • 0801733
    0801733
    NS 35/ 7,5 PERF 2000MM - DIN rail perforated, Pack of 25 (50 m), acc. to EN 60715, material: Steel, galvanized, passivated with a thick layer, Standard profile, color: silver
  • 0801681
    0801681
    NS 35/ 7,5 UNPERF 2000MM - DIN rail, unperforated, Pack of 25 (50 m), acc. to EN 60715, material: Steel, galvanized, passivated with a thick layer, Standard profile, color: silver
  • 1204119
    1204119
    NS 35/ 7,5 WH PERF 2000MM - DIN rail perforated, Pack of 25 (50 m), acc. to EN 60715, material: Steel, Galvanized, white passivated, Standard profile, color: silver
  • 1204122
    1204122
    NS 35/ 7,5 WH UNPERF 2000MM-VPE 10 - DIN rail, unperforated, Pack of 10 (20 m), acc. to EN 60715, material: Steel, Galvanized, white passivated, Standard profile, color: silver
  • 0801704
    0801704
    NS 35/ 7,5 AL UNPERF 2000MM - DIN rail, unperforated, Pack of 25 (50 m), acc. to EN 60715, material: Aluminum, uncoated, Standard profile, color: silver
  • 1206421
    1206421
    DIN rail perforated, Pack of 25 (50 m), acc. to EN 60715, material: Steel, galvanized, Standard profile, color: silver
  • 1206434
    1206434
    NS 35/ 7,5 ZN UNPERF 2000MM - DIN rail, unperforated, Pack of 25 (50 m), acc. to EN 60715, material: Steel, galvanized, Standard profile, color: silver
  • 0801762
    0801762
    NS 35/ 7,5 CU UNPERF 2000MM-VPE 10 - DIN rail, unperforated, Pack of 10 (20 m), acc. to EN 60715, material: Copper, uncoated, Standard profile, color: copper-colored
  • 1206560
    1206560
    NS 35/ 7,5 CAP - DIN rail end piece, for DIN rail NS 35/7.5
  • 1201730
    1201730
    NS 35/15 PERF 2000MM - DIN rail perforated, Pack of 25 (50 m), similar to EN 60715, material: Steel, galvanized, passivated with a thick layer, Standard profile, color: silver
  • 1201714
    1201714
    NS 35/15 UNPERF 2000MM - DIN rail, unperforated, Pack of 25 (50 m), similar to EN 60715, material: Steel, galvanized, passivated with a thick layer, Standard profile, color: silver
  • 0806602
    0806602
    NS 35/15 WH PERF 2000MM - DIN rail perforated, Pack of 25 (50 m), similar to EN 60715, material: Steel, Galvanized, white passivated, Standard profile, color: white
  • 1204135
    1204135
    NS 35/15 WH UNPERF 2000MM-VPE 10 - DIN rail, unperforated, Pack of 10 (20 m), similar to EN 60715, material: Steel, Galvanized, white passivated, Standard profile, color: silver
  • 1201756
    1201756
    NS 35/15 AL UNPERF 2000MM - DIN rail, unperforated, similar to EN 60715, material: Aluminum, uncoated, Standard profile, color: silver
  • 1206599
    1206599
    NS 35/15 ZN PERF 2000MM - DIN rail perforated, Pack of 25 (50 m), similar to EN 60715, material: Steel, galvanized, Standard profile, color: silver
  • 1206586
    1206586
    NS 35/15 ZN UNPERF 2000MM - DIN rail, unperforated, Pack of 25 (50 m), similar to EN 60715, material: Steel, galvanized, Standard profile, color: silver
  • 1201895
    1201895
    NS 35/15 CU UNPERF 2000MM-VPE 10 - DIN rail, unperforated, Pack of 10 (20 m), similar to EN 60715, material: Copper, uncoated, Standard profile, color: copper-colored
  • 1206573
    1206573
    NS 35/15 CAP - DIN rail end piece, for DIN rail NS 35/15
  • 1201798
    1201798
    NS 35/15-2,3 UNPERF 2000MM-VPE 10 - DIN rail, unperforated, Pack of 10 (20 m), acc. to EN 60715, material: Steel, galvanized, passivated with a thick layer, Standard profile 2.3 mm, color: silver
  • 1051003
    1051003
    Zack marker strip - ZB 6:UNBEDRUCKT
  • 0824992
    0824992
    Zack marker strip - ZB 6 CUS
  • 1051016
    1051016
    1051016 -
  • 1051032
    1051032
    Zack marker strip - ZB 6,LGS:GLEICHE ZAHLEN
  • 1051414
    1051414
    1051414 -
  • 1051430
    1051430
    Marker for terminal blocks - ZB 6,LGS:U-N
  • 0818085
    0818085
    Marker for terminal blocks - UC-TM 6
  • 0824589
    0824589
    Marker for terminal blocks - UC-TM 6 CUS
  • 0828736
    0828736
    Marker for terminal blocks - UCT-TM 6
  • 0808710
    0808710
    Zack Marker strip, flat - ZBF 6:UNBEDRUCKT
  • 0818140
    0818140
    Marker for terminal blocks - UC-TMF 6
  • 0828746
    0828746
    Marker for terminal blocks - UCT-TMF 6
  • 0808749
    0808749
    0808749 -
  • 0808765
    0808765
    0808765 -
  • 0810834
    0810834
    0810834 -
  • 0810876
    0810876
    0810876 -
  • 3035975
    3035975
    4 mm test adapter, for terminal blocks with 5.2 mm and 6.2 mm pitch
  • 3035974
    3035974
    Test adapter - PAI-4-FIX-5/6 OG
  • 3035977
    3035977
    Test adapter - PAI-4-FIX-5/6 YE
  • 3035976
    3035976
    Test adapter - PAI-4-FIX-5/6 RD
  • 3035978
    3035978
    Test adapter - PAI-4-FIX-5/6 GN
  • 3035980
    3035980
    Test adapter - PAI-4-FIX-5/6 BK
  • 3035982
    3035982
    Test adapter - PAI-4-FIX-5/6 GY
  • 3035979
    3035979
    Test adapter - PAI-4-FIX-5/6 VT
  • 3035981
    3035981
    Test adapter - PAI-4-FIX-5/6 BN
  • 3035983
    3035983
    Test adapter - PAI-4-FIX-5/6 WH
  • 3030996
    3030996
    Test plugs - PS-6
  • 3038736
    3038736
    Test plugs - PS-6/2,3MM RD
  • 3022218
    3022218
    CLIPFIX 35 - 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
  • 3022276
    3022276
    CLIPFIX 35-5 - 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
  • 0800886
    0800886
    E/NS 35 N - End clamp, width: 9.5 mm, color: gray
  • 1201442
    1201442
    E/UK - End bracket, Mounting on a DIN rail NS 32 or NS 35, material: PA, color: gray
  • 1201413
    1201413
    E/UK 1 - End clamps, for supporting the ends of double-level and three-level terminal blocks, width: 10 mm, color: gray
  • 0201744
    0201744
    Test plugs - MPS-MT
  • 0201663
    0201663
    MPS-IH WH - Insulating sleeve, color: white
  • 0201676
    0201676
    MPS-IH RD - Insulating sleeve, color: red
  • 0201689
    0201689
    MPS-IH BU - Insulating sleeve, color: blue
  • 0201692
    0201692
    MPS-IH YE - Insulating sleeve, color: yellow
  • 0201702
    0201702
    MPS-IH GN - Insulating sleeve, color: green
  • 0201728
    0201728
    MPS-IH GY - Insulating sleeve, color: gray
  • 0201731
    0201731
    MPS-IH BK - Insulating sleeve, color: black

Why Proax for Phoenix Contact 3050304?

Proax is an authorized distributor of Phoenix Contact 3050304 and one of Phoenix Contact's largest distributors in North America. Our highly skilled in-house technical team is ready to assist with any technical needs.

Have a question in mind? to help you get the right product as quickly as possible for your project. We're always here to help!

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Additional Information
Pack Size50
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    3206555
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  • 3050060
    3050060
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