Product Model
UKH 70/4X10
Selling Points
- 1Handles up to 192 A of current.
- 2Meets UL 94 V0 flammability rating and DIN EN 45545-2 fire protection standards.
- 3Compatible with NS 35/7,5, NS 35/15, NS 35/15-2,3, and NS 32 mounting types.
- 4Ensures reliable cable connection with three-point centering and low contact resistance.
- 5Tested for thermal stability and short-circuit conditions, ensuring long service life.
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 | 5 | Number of rows | 1 |
Potentials | 1 | Article revision | 02 |
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 | 5 | Nominal cross section | 70 mm² |
Rated cross section AWG | 2/0 | 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 the same cross-section AWG rigid | 4 ... 3 (converted acc. to IEC) |
2 conductors with same cross section, flexible | 16 mm² ... 25 mm² | 2 conductors with the same cross-section AWG flexible | 4 ... 3 (converted acc. to IEC) |
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 (in case of a 70 mm² conductor cross section, the maximum load current must not be exceeded by the total current of all connected conductors.) | Nominal voltage | 1500 V DC
1000 V AC |
Screw thread | M4 | Tightening torque | 1.4 ... 1.5 Nm |
Stripping length | 10 mm | Internal cylindrical gage | A5 |
Conductor cross section rigid | 1.5 mm² ... 16 mm² | Cross section AWG | 16 ... 6 (converted acc. to IEC) |
Conductor cross section flexible | 1.5 mm² ... 10 mm² | Conductor cross section, flexible [AWG] | 16 ... 6 (converted acc. to IEC) |
Conductor cross-section flexible (ferrule without plastic sleeve) | 1.5 mm² ... 10 mm² | Flexible conductor cross section (ferrule with plastic sleeve) | 1.5 mm² ... 6 mm² |
Conductor cross-section flexible (2 conductors with the same cross-section, with TWIN ferrule and plastic sleeve) | 1.5 mm² ... 6 mm² | 2 conductors with same cross section, solid | 1.5 mm² ... 2.5 mm² |
2 conductors with the same cross-section AWG rigid | 16 ... 14 (converted acc. to IEC) | 2 conductors with same cross section, flexible | 1.5 mm² ... 2.5 mm² |
2 conductors with the same cross-section AWG flexible | 16 ... 14 (converted acc. to IEC) | 2 conductors with same cross section, flexible, with ferrule without plastic sleeve | 1.5 mm² ... 2.5 mm² |
Nominal current | 57 A | Nominal voltage | 1500 V DC
1000 V AC |
Width | 20.3 mm | Height | 88.5 mm |
Depth | 79.4 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 | Temperature index of insulation material (DIN EN 60216-1 (VDE 0304-21)) | 130 °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 | Calorimetric heat release NFPA 130 (ASTM E 1354) | 28 MJ/kg |
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 | 1.2 kA |
Result | Test passed | Test voltage setpoint | 2.2 kV AC |
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 rpm | Revolutions | 135 |
Conductor cross section/weight | 25 mm² / 4.5 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):2008-03 | 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):2008-03 | Pulse shape | Half-sine |
Acceleration | 30g | Shock duration | 18 ms |
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