UKH 50-F BU
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High-current terminal block
3247062
Product details
| General | |
| 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 |
| Insulation characteristics | |
| 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 |
| Connection method | Screw connection |
| 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 ... 2/0 (converted acc. to IEC) |
| Conductor cross-section flexible (ferrule without plastic sleeve) | 16 mm² ... 50 mm² |
| Flexible conductor cross-section (ferrule with plastic sleeve) | 16 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 |
| Rated data (ATEX/IECEx) | |
| Identification | II 2 GD Ex eb IIC Gb |
| Operating temperature range | -60 °C ... 110 °C |
| Ex-certified accessories | 1205082 SZS 1,2X8,0 VDE |
| 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 (146.5 A / 50 mm²) |
| for bridging with bridge | 690 V |
| Rated insulation voltage | 630 V |
| output | (Permanent) |
| Ex level General | |
| Rated voltage | 690 V |
| Rated current | 133 A |
| Maximum load current | 133 A |
| Contact resistance | 0.1 mΩ |
| Ex connection data General | |
| 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 |
| Dimensional drawing |
|
| Width | 20 mm |
| Height | 75.5 mm |
| Depth | 76 mm |
| Hole diameter | 5.5 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 |
| Surge voltage test | |
| Test voltage setpoint | 9.8 kV |
| Result | Test passed |
| Temperature-rise test | |
| Requirement temperature-rise test | Increase in temperature ≤ 45 K |
| Result | Test passed |
| Short-time withstand current 50 mm² | 6 kA |
| Result | Test passed |
| Power-frequency withstand voltage | |
| Test voltage setpoint | 2.2 kV |
| Result | Test passed |
| Mechanical data | |
| Open side panel | No |
| Mechanical strength | |
| Result | Test passed |
| Attachment on the carrier | |
| DIN rail/fixing support | NS 32/NS 35 |
| Test force setpoint | 10 N |
| Result | Test passed |
| Test for conductor damage and slackening | |
| 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 |
| Needle-flame test | |
| Time of exposure | 30 s |
| Result | Test passed |
| Oscillation/broadband noise | |
| Specification | DIN EN 50155 (VDE 0115-200):2018-05 |
| Spectrum | Long life test category 2, bogie-mounted |
| Frequency | f1 = 5 Hz to f2 = 250 Hz |
| 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 |
| Shocks | |
| 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 conditions | |
| 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 | direct screw connection |
Your advantages
Reliable cable connection is ensured by three-point centering of the conductor in the prismatic sleeve base
Screw locking by means of spring-loaded elements in the clamping part
Low contact resistance of the contact surface due to ribbing