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Phoenix Contact 3044814
AllConnectorsTerminal blocksScrew connection
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3044814

By Phoenix Contact

PHX3044814
Weight 0.019 kg
Phoenix ContactOfficial Distributor

UTTB 4 - Double-level terminal block

Double-level terminal block, nom. voltage: 800 V, nominal current: 30 A, connection method: Screw connection, 1st and 2nd level, Rated cross section: 4 mm2, cross section: 0.14 mm2 - 6 mm2, mounting type: NS 35/7,5, NS 35/15, color: gray

  • Since there are two function shafts per level, all potential distribution tasks can be implemented quickly
  • For a clear overview, each terminal point supports large-surface labeling
  • As an option, the levels can be connected using the FBS‑PV UT vertical bridge
  • For example, two separate potentials can by routed side by side with the help of bridging between non-adjacent terminal blocks
  • Tested for railway applications

Documents

Technical Specifications

Product properties

Product familyUTTB
Area of applicationRailway industry
Area of applicationMachine building
Area of applicationPlant engineering
Area of applicationProcess industry
Number of Connections4
Number of rows2
Potentials2

Insulation characteristics

Overvoltage categoryIII
Degree of pollution3

Electrical properties

Rated surge voltage8 kV
Maximum power dissipation for nominal condition1.02 W

Connection data

Number of connections per level2
Nominal cross section4 mm²

1st and 2nd level

Screw threadM3
Tightening torque0.6 ... 0.8 Nm
Stripping length9 mm
Internal cylindrical gageA4
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 ... 6 mm²
Conductor cross section, flexible [AWG]26 ... 10 (converted acc. to IEC)
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 Current30 A
Maximum Load Current36 A (with 6 mm² conductor cross section)
Nominal Voltage800 V
Nominal cross section4 mm²

Rated data (ATEX/IECEx)

Identification II 2 GD  Ex eb IIC Gb
Operating temperature range-60 °C ... 110 °C
Ex-certified accessories3047293 D-UTTB 2,5/4
Ex-certified accessories3047303 DP-UTTB 2,5/4
Ex-certified accessories3047316 ATP-UTTB 2,5/4
Ex-certified accessories1212587 SF-SL 0,6X3,5-100 S-VDE
Ex-certified accessories3022276 CLIPFIX 35-5
Ex-certified accessories3022218 CLIPFIX 35
List of bridgesPlug-in bridge / FBS 2-6 / 3030336
List of bridgesPlug-in bridge / FBS 3-6 / 3030242
List of bridgesPlug-in bridge / FBS 4-6 / 3030255
List of bridgesPlug-in bridge / FBS 5-6 / 3030349
List of bridgesPlug-in bridge / FBS 10-6 / 3030271
List of bridgesPlug-in bridge / FBS 20-6 / 3030365
Bridge data25.5 A / 4 mm²
Ex temperature increase40 K (28.5 A / 4 mm²)
Rated voltage440 V
for bridging with bridge440 V
- At bridging between non-adjacent terminal blocks275 V
- At bridging between non-adjacent terminal blocks via PE terminal block275 V
- At cut-to-length bridging with cover220 V
- At cut-to-length bridging with partition plate176 V
Rated Insulation Voltage400 V
Output(Permanent)

Ex level General

Rated current25.5 A
Maximum Load Current31.5 A

Ex connection data General

Torque range0.6 Nm ... 0.8 Nm
Nominal cross section4 mm²
Rated cross section AWG12
Connection capacity rigid0.14 mm² ... 6 mm²
Connection capacity AWG26 ... 10
Connection capacity flexible0.14 mm² ... 4 mm²
Connection capacity AWG26 ... 12
2 conductors with same cross section, solid0.14 mm² ... 1.5 mm²
2 conductors with the same cross-section AWG rigid26 ... 16
2 conductors with same cross section, stranded0.14 mm² ... 1.5 mm²
2 conductors with the same cross-section AWG flexible26 ... 16
Output(Permanent)

Ex level Level 1

Contact resistance0.35 mΩ
Output(Permanent)

Ex level Level 2

Contact resistance0.2 mΩ

Dimensions

Width6.2 mm
End cover width2.2 mm
Height69.9 mm
Depth on NS 35/7,565 mm
Depth on NS 35/1572.5 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

ResultTest passed

Temperature-rise test

Requirement temperature-rise testIncrease in temperature ≤ 45 K
ResultTest passed
Short-time withstand current 4 mm²0.48 kA
Short-time withstand current 6 mm²0.72 kA
ResultTest passed

Power-frequency withstand voltage

Test voltage setpoint2 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/weight0.14 mm² / 0.2 kg
Conductor cross section/weight4 mm² / 0.9 kg
Conductor cross section/weight6 mm² / 1.4 kg
ResultTest passed

Needle-flame test

Time of exposure30 s
ResultTest passed

Ambient conditions

Ambient Temperature (Operation)-60 °C ... 110 °C (Operating temperature range incl. self-heating; for max. short-term operating temperature, see RTI Elec.)
Ambient temperature (storage/transport)-25 °C ... 60 °C (for a short time, no longer than 24 h, -60°C to +70°C)
Ambient temperature (assembly)-5 °C ... 70 °C
Ambient temperature (actuation)-5 °C ... 70 °C
Permissible humidity (operation)20 % ... 90 %
Permissible humidity (storage/transport)30 % ... 70 %

Standards and Regulations

Connection in acc. with standardIEC 60947-7-1

Mounting

Mounting TypeNS 35/7,5
Mounting TypeNS 35/15
Accessories

Why Proax for Phoenix Contact 3044814?

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