Product Model
UKH 50 BU
Selling Points
- 1High current ratings up to 150A with a high voltage rating of 1 kV.
- 2Strong screw connection method ensures reliable and secure cable connection.
- 3ATEX Ex rated for safe installation in potentially explosive areas.
- 4Flexible operating temperatures from -60°C to +85°C.
- 5Compatible with DIN rails and NS 35/15 and NS 32 rails for easy mounting.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Product type | High current terminal block | Number of positions | 1 |
Number of connections | 2 | Number of rows | 1 |
Potentials | 1 | Article revision | 14 |
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 |
Rated cross section AWG | 1/0 | 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 | 4 ... 2/0 (converted acc. to IEC) |
Conductor cross section flexible | 25 mm² ... 70 mm² | Conductor cross section, flexible [AWG] | 2 ... 2 (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 | Height | 70.5 mm |
Depth | 75.8 mm | Depth on NS 32 | 81 mm |
Depth on NS 35/15 | 83.5 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 |
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 | 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 | 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 (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 % |
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