UKN 2,5 BU 3032004 PHOENIX CONTACT N disconnect terminal block View larger
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UKN 2,5 BU 3032004 PHOENIX CONTACT N disconnect terminal block

UKN 2,5 BU

3032004

PHOENIX_CONTACT

N disconnect terminal block

N disconnect terminal block, Assembly instructions:For secure fastening of the neutral busbar, supports must be set at the beginning and end of each terminal strip as well as every 20 cm on longer terminal strips., nom. voltage: 400 V, nominal current: 24 A, Special and hybrid connection, 1st level connection right, Rated cross section: 2.5 mm2, cross section: 0.2 mm2 - 4 mm2, mounting type: NS 35/7,5, NS 35/15, NS 32, color: blue

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Technical data

Notes
GeneralAssembly instructions:
For secure fastening of the neutral busbar, supports must be set at the beginning and end of each terminal strip as well as every 20 cm on longer terminal strips.

Product properties
Product typeInstallation terminal block
Number of connections2
Number of rows1
Potentials1
Insulation characteristics
Overvoltage categoryIII
Degree of pollution3

Electrical properties
Rated surge voltage6 kV
Current carrying capacity of the neutral busbar140 A

Connection data
Number of connections per level2
Nominal cross section2.5 mm²
1st level connection right
Screw threadM3
NoteTerminal point
Tightening torque0.6 ... 0.8 Nm
Stripping length7 mm
Connection in acc. with standardIEC 60947-7-1
Conductor cross section rigid0.2 mm² ... 4 mm²
Cross section AWG24 ... 12 (converted acc. to IEC)
Conductor cross section flexible0.2 mm² ... 2.5 mm²
Conductor cross section, flexible [AWG]24 ... 14 (converted acc. to IEC)
Conductor cross-section flexible (ferrule without plastic sleeve)0.25 mm² ... 2.5 mm²
Flexible conductor cross section (ferrule with plastic sleeve)0.25 mm² ... 2.5 mm²
2 conductors with same cross section, solid0.2 mm² ... 1.5 mm²
2 conductors with same cross section, flexible0.2 mm² ... 1.5 mm²
2 conductors with same cross section, flexible, with ferrule without plastic sleeve0.25 mm² ... 1 mm²
2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve0.5 mm² ... 1.5 mm²
Nominal current24 A
Maximum load current32 A (with 4 mm² conductor cross section)
Nominal voltage400 V
Nominal cross section2.5 mm²

Dimensions
Width6.2 mm
End cover width1.5 mm

Material specifications
Colorblue
Flammability rating according to UL 94V2
Insulating material groupI
Insulating materialPA
Static insulating material application in cold-40 °C
Temperature index of insulation material (DIN EN 60216-1 (VDE 0304-21))125 °C
Relative insulation material temperature index (Elec., UL 746 B)125 °C

Electrical tests
Surge voltage test
Test voltage setpoint7.3 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
Short-time withstand current 4 mm²0.48 kA
ResultTest passed
Power-frequency withstand voltage
Test voltage setpoint1.89 kV
ResultTest passed

Mechanical properties
Mechanical data
Open side panelYes

Mechanical tests
Mechanical strength
ResultTest passed
Attachment on the carrier
DIN rail/fixing supportNS 32/NS 35
Test force setpoint1 N
ResultTest passed
Test for conductor damage and slackening
Rotation speed10 rpm
Revolutions135
Conductor cross section/weight0.2 mm² / 0.2 kg
2.5 mm² / 0.7 kg
4 mm² / 0.9 kg
ResultTest passed

Environmental and real-life conditions
Needle-flame test
Time of exposure30 s
ResultTest passed

Standards and regulations
Connection in acc. with standardIEC 60947-7-1

Mounting
Mounting typeNS 35/7,5
NS 35/15
NS 32
Screw threadM2,5

Datasheet - PDF

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