Phoenix Contact UKK 5 BU

Selling Points

  • 1High-Performance Connectivity: Reliable and efficient electrical connections with a voltage rating of 500V and current rating of 32A.
  • 2Double-Level Design: Two levels of connections for increased flexibility and organization in your electrical setup.
  • 3Screw Termination: Easy and secure screw termination method for quick and reliable connections.
  • 4Durable Construction: Built with high-quality materials for long-lasting performance and durability.
  • 5Comprehensive Specifications: Meets industry standards with a rated cross section of 4 mm² and suitable for AWG 24 to 12.
Product Details
UKK 5 BU
Phoenix Contact

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Product type
Multi-level terminal block
Number of connections
4
Number of rows
2
Potentials
2
Article revision
10
Overvoltage category
III
Degree of pollution
3
Rated surge voltage
6 kV
Maximum power dissipation for nominal condition
1.02 W
Number of connections per level
2
Nominal cross section
4 mm²
Screw thread
M3
Tightening torque
0.6 ... 0.8 Nm
Stripping length
8 mm
Connection in acc. with standard
IEC 60947-7-1
Conductor cross section rigid
0.2 mm² ... 4 mm²
Cross section AWG
24 ... 12 (converted acc. to IEC)
Conductor cross section flexible
0.2 mm² ... 4 mm²
Conductor cross section, flexible [AWG]
24 ... 12 (converted acc. to IEC)
Conductor cross-section flexible (ferrule without plastic sleeve)
0.25 mm² ... 4 mm²
Flexible conductor cross section (ferrule with plastic sleeve)
0.25 mm² ... 2.5 mm²
Cross-section with insertion bridge, rigid
4 mm²
Cross-section with insertion bridge, flexible
2.5 mm²
2 conductors with same cross section, solid
0.2 mm² ... 1.5 mm²
2 conductors with same cross section, flexible
0.2 mm² ... 1.5 mm²
2 conductors with same cross section, flexible, with ferrule without plastic sleeve
0.25 mm² ... 1.5 mm²
2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve
0.5 mm² ... 1.5 mm²
Nominal current
32 A
Maximum load current
32 A (with 4 mm² conductor cross section)
Nominal voltage
500 V
Nominal cross section
4 mm²
Width
6.2 mm
End cover width
2.5 mm
Height
56 mm
Depth on NS 32
67 mm
Depth on NS 35/7,5
62 mm
Depth on NS 35/15
69.5 mm
Color
blue (RAL 5015)
Flammability rating according to UL 94
V0
Insulating material group
I
Insulating material
PA
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) R22
HL 1 - HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R23
HL 1 - HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R24
HL 1 - HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R26
HL 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
Test voltage setpoint
7.3 kV
Result
Test passed
Requirement temperature-rise test
Increase in temperature ≤ 45 K
Result
Test passed
Short-time withstand current 4 mm²
0.48 kA
Result
Test passed
Test voltage setpoint
1.89 kV
Result
Test passed
Open side panel
Yes
Result
Test passed
DIN rail/fixing support
NS 32/NS 35
Test force setpoint
1 N
Result
Test passed
Rotation speed
10 rpm
Revolutions
135
Conductor cross section/weight
0.2 mm² / 0.2 kg 4 mm² / 0.9 kg
Result
Test passed
Time of exposure
30 s
Result
Test passed
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, 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 (operation)
20 % ... 90 %
Permissible humidity (storage/transport)
30 % ... 70 %
Connection in acc. with standard
IEC 60947-7-1
Mounting type
NS 35/7,5 NS 35/15 NS 32

Specifications may be subject to change without notice