Product Model
UKH 70
Selling Points
- 1High current rating up to 192A.
- 2Compatible with cable CSA 16 → 95mm².
- 3Non-fused and not grounded for safety.
- 4Gray color with American Wire Gauge 3 → 4AWG.
- 5Suitable for 1 kV voltage rating and meets IEC 60947-7-1 standards.
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 |
Area of application | Railway industry
Machine building
Plant engineering | Number of positions | 1 |
Number of connections | 2 | Number of rows | 1 |
Potentials | 1 | Article revision | 08 |
Overvoltage category | III | Degree of pollution | 3 |
Rated surge voltage | 8 kV | Maximum power dissipation for nominal condition | 6.27 W |
Number of connections per level | 2 | Nominal cross section | 70 mm² |
Screw thread | M8 | Tightening torque | 8 ... 10 Nm |
Stripping length | 24 mm | Internal cylindrical gage | A11 |
Connection in acc. with standard | IEC 60947-7-1 | Conductor cross section rigid | 16 mm² ... 95 mm² |
Cross section AWG | 4 ... 3/0 (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 ... 70 mm² |
Flexible conductor cross section (ferrule with plastic sleeve) | 16 mm² ... 70 mm² | 2 conductors with same cross section, solid | 16 mm² ... 25 mm² |
2 conductors with same cross section, flexible | 16 mm² ... 25 mm² | 2 conductors with same cross section, flexible, with ferrule without plastic sleeve | 16 mm² ... 25 mm² |
Nominal current | 192 A | Maximum load current | 192 A (with 70 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 | 70 mm² | Identification | II 2 GD Ex eb IIC Gb |
Operating temperature range | -60 °C ... 110 °C | Ex-certified accessories | 1201934 VDE-ISS 6
1201659 E/AL-NS 32
1201662 E/AL-NS 35 |
List of bridges | / FBI 2-20 N EX / 3213210
/ FBI 3-20 N EX / 3213211 | Bridge data | 180 A / 70 mm² |
Ex temperature increase | 40 K (180 A / 70 mm²) | Rated voltage | 880 V (NS 35) |
Rated insulation voltage | 800 V (NS 35)
630 V (NS 32) | output | (Permanent) |
Rated current | 180 A | Maximum load current | 180 A |
Contact resistance | 0.08 mΩ | Torque range | 8 Nm ... 10 Nm |
Nominal cross section | 70 mm² | Rated cross section AWG | 2/0 |
Connection capacity rigid | 16 mm² ... 95 mm² | Connection capacity AWG | 4 ... 3/0 |
Connection capacity flexible | 25 mm² ... 70 mm² | Connection capacity AWG | 3 ... 2/0 |
2 conductors with same cross section, solid | 16 mm² ... 25 mm² | 2 conductors with the same cross-section AWG rigid | 4 ... 3 |
2 conductors with same cross section, stranded | 16 mm² ... 25 mm² | 2 conductors with the same cross-section AWG flexible | 4 ... 3 |
Width | 20.3 mm | Height | 70.5 mm |
Depth | 78.3 mm | Depth on NS 32 | 85 mm |
Depth on NS 35/7,5 | 80 mm | Depth on NS 35/15 | 87.5 mm |
Color | gray (RAL 7042) | 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 70 mm² | 8.4 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
70 mm²/10.4 kg
95 mm²/14 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 35/15-2,3
NS 32 |
Specifications may be subject to change without notice