Product Model
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.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
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