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Phoenix Contact 3247402
AllConnectorsTerminal blocksScrew connection
Phoenix ContactOfficial Distributor

By Phoenix Contact

SKU
MPN
UKH 50 1500V BU
Weight
0.125 kg
Series UKH

UKH 50 1500V BU - High-current terminal block

High-current terminal block, nom. voltage: 1500 V, nominal current: 150 A, number of connections: 2, number of positions: 1, connection method: Screw connection, Rated cross section: 50 mm2, cross section: 16 mm2 - 70 mm2, mounting type: NS 35/7,5, NS 35/15, NS 32, NS 35/15-2,3, color: blue

  • Reliable cable connection is ensured by three-point centering of the conductor in the prismatic sleeve base
  • Low contact resistance of the contact surface due to ribbing
  • Screw locking by means of spring-loaded elements in the clamping part
Technical Specifications

General

NoteFor a reliable contact of multi stranded conductors it is recommended to untwist multi stranded conductors.

Product properties

Number of Positions1
Number of Connections2
Number of rows1
Potentials1

Insulation characteristics

Overvoltage categoryIII
Degree of pollution3

Electrical properties

Rated surge voltage8 kV
Maximum power dissipation for nominal condition4.73 W

Connection data

Number of connections per level2
Nominal cross section50 mm²
Screw threadM6
Tightening torque6 ... 8 Nm
Stripping length24 mm
Internal cylindrical gageB10
Connection in acc. with standardIEC 60947-7-1
Conductor cross section rigid16 mm² ... 70 mm²
Cross section AWG4 ... 2/0 (converted acc. to IEC)
Conductor cross section flexible25 mm² ... 70 mm²
Conductor cross section, flexible [AWG]2 ... 2/0 (converted acc. to IEC)
Conductor cross-section flexible (ferrule without plastic sleeve)25 mm² ... 50 mm²
Flexible conductor cross section (ferrule with plastic sleeve)25 mm² ... 50 mm²
2 conductors with same cross section, solid10 mm² ... 16 mm²
2 conductors with same cross section, flexible10 mm² ... 16 mm²
2 conductors with same cross section, flexible, with ferrule without plastic sleeve10 mm² ... 16 mm²
Nominal Current150 A
Maximum Load Current150 A (with 50 mm² conductor cross section)
Nominal Voltage1500 V DC
Nominal Voltage1000 V AC
NoteNote: Product releases, connection cross sections and notes on connecting aluminum cables can be found in the download area.
Nominal cross section50 mm²

Dimensions

Width20 mm
Height81.4 mm
Depth76 mm
Depth on NS 3281 mm
Depth on NS 35/1583.5 mm

Material specifications

Colorblue
Flammability rating according to UL 94V0
Insulating material groupI
Insulating materialPA
Static insulating material application in cold-60 °C
Temperature index of insulation material (DIN EN 60216-1 (VDE 0304-21))130 °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
Calorimetric heat release NFPA 130 (ASTM E 1354)28 MJ/kg
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 50 mm²6 kA
ResultTest passed

Power-frequency withstand voltage

Test voltage setpoint3.82 kV
ResultTest passed

Mechanical data

Open side panelNo

Mechanical strength

ResultTest passed

Attachment on the carrier

DIN rail/fixing supportNS 32/NS 35
ResultTest passed

Test for conductor damage and slackening

Rotation speed10 rpm
Revolutions135
Conductor cross section/weight16 mm² / 2.9 kg
Conductor cross section/weight50 mm² / 9.5 kg
Conductor cross section/weight70 mm²/10.4 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
Mounting TypeNS 32
Mounting TypeNS 35/15-2,3
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Additional Information

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