Phoenix Contact UKH  50 RD

Selling Points

  • 1High Current Handling: Supports up to 150 A with a 50 mm² conductor cross section.
  • 2Robust Insulation: Rated for 8 kV surge voltage and overvoltage category III.
  • 3Durable Construction: Made from PA material with a flammability rating of UL 94 V0.
  • 4Easy Installation: Features screw connection with a tightening torque range of 6 Nm to 8 Nm.
  • 5Compliant Standards: Meets CSA and IEC 60947-7-1 standards for reliable and safe operation.
Product Details
UKH 50 RD
Phoenix Contact

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Note
For a reliable contact of multi stranded conductors it is recommended to untwist multi stranded conductors.
Product type
High current terminal block
Number of positions
1
Number of connections
2
Number of rows
1
Potentials
1
Overvoltage category
III
Degree of pollution
3
Rated surge voltage
8 kV
Maximum power dissipation for nominal condition
4.73 W
Number of connections per level
2
Nominal cross section
50 mm²
Screw thread
M6
Tightening torque
6 ... 8 Nm
Stripping length
24 mm
Internal cylindrical gage
B10
Connection in acc. with standard
IEC 60947-7-1
Conductor cross section rigid
16 mm² ... 70 mm²
Cross section AWG
6 ... 2/0 (converted acc. to IEC)
Conductor cross section flexible
25 mm² ... 70 mm²
Conductor cross section, flexible [AWG]
3 ... 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, solid
10 mm² ... 16 mm²
2 conductors with same cross section, flexible
10 mm² ... 16 mm²
2 conductors with same cross section, flexible, with ferrule without plastic sleeve
10 mm² ... 16 mm²
Nominal current
150 A
Maximum load current
150 A (with 50 mm² conductor cross section)
Nominal voltage
1000 V
Note
Note: Product releases, connection cross sections and notes on connecting aluminum cables can be found in the download area.
Nominal cross section
50 mm²
Identification
 II 2 GD  Ex eb IIC Gb
Operating temperature range
-60 °C ... 110 °C
Ex-certified accessories
1205082 SZS 1,2X8,0 VDE 1201659 E/AL-NS 32 1201662 E/AL-NS 35
List of bridges
Fixed bridge / FBI 2-20-EX / 0201113 Fixed bridge / FBI 3-20-EX / 0201812
Bridge data
130.5 A / 50 mm²
Ex temperature increase
40 K (133 A / 50 mm²)
Rated voltage
690 V
for bridging with bridge
690 V
Rated insulation voltage
630 V
output
(Permanent)
Rated current
133 A
Maximum load current
133 A
Contact resistance
0.1 mΩ
Torque range
6 Nm ... 8 Nm
Nominal cross section
50 mm²
Rated cross section AWG
1/0
Connection capacity rigid
16 mm² ... 50 mm²
Connection capacity AWG
6 ... 1/0
Connection capacity flexible
25 mm² ... 50 mm²
Connection capacity AWG
4 ... 1/0
2 conductors with same cross section, solid
10 mm² ... 16 mm²
2 conductors with the same cross-section AWG rigid
8 ... 6
2 conductors with same cross section, stranded
10 mm² ... 16 mm²
2 conductors with the same cross-section AWG flexible
8 ... 6
Width
20 mm
Color
red
Flammability rating according to UL 94
V0
Insulating material group
I
Insulating material
PA
Static insulating material application in cold
-60 °C
Test voltage setpoint
9.8 kV
Result
Test passed
Requirement temperature-rise test
Increase in temperature ≤ 45 K
Result
Test passed
Short-time withstand current 50 mm²
6 kA
Result
Test passed
Test voltage setpoint
2.2 kV
Result
Test passed
Open side panel
No
Result
Test passed
DIN rail/fixing support
NS 32/NS 35
Test force setpoint
10 N
Result
Test passed
Rotation speed
10 (+/- 2) rpm
Revolutions
135
Conductor cross section/weight
16 mm² / 2.9 kg 50 mm² / 9.5 kg 70 mm²/10.4 kg
Result
Test passed
Time of exposure
30 s
Result
Test passed
Specification
DIN EN 50155 (VDE 0115-200):2022-06
Spectrum
Service life test category 2, bogie-mounted
Frequency
f
ASD level
6.12 (m/s²)²/Hz
Acceleration
3.12g
Test duration per axis
5 h
Test directions
X-, Y- and Z-axis
Result
Test passed
Specification
DIN EN 50155 (VDE 0115-200):2022-06
Pulse shape
Half-sine
Acceleration
5g
Shock duration
30 ms
Number of shocks per direction
3
Test directions
X-, Y- and Z-axis (pos. and neg.)
Result
Test passed
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 %
Connection in acc. with standard
IEC 60947-7-1
Mounting type
NS 35/7,5 NS 35/15 NS 32 NS 35/15-2,3

Specifications may be subject to change without notice