Product Model
UKH 240
Key Features
- 1High Current Capacity: Handles up to 415 A with a 240 mm² conductor cross section.
- 2Low Contact Resistance: Ensured by ribbing on the contact surface for efficient electrical flow.
- 3Robust Insulation: Made from PA material with a flammability rating of UL 94 V0 for safety.
- 4Screw Connection: Secure locking mechanism using spring-loaded elements in the clamping part.
- 5Wide Temperature Range: Operates from -60 °C to 85 °C, suitable for various environmental conditions.
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 connections | 2 | Number of rows | 1 |
| Potentials | 1 | Article revision | 11 |
| Overvoltage category | III | Degree of pollution | 3 |
| Rated surge voltage | 8 kV | Maximum power dissipation for nominal condition | 13.78 W |
| Number of connections per level | 2 | Nominal cross section | 240 mm² |
| Screw thread | M10 | Note | Screws with hexagonal socket |
| Tightening torque | 25 ... 30 Nm | Stripping length | 40 mm |
| Internal cylindrical gage | B15 | Connection in acc. with standard | IEC 60947-7-1 |
| Conductor cross section rigid | 70 mm² ... 240 mm² | Cross section AWG | 3/0 ... 250 kcmil (converted acc. to IEC) |
| Conductor cross section flexible | 70 mm² ... 240 mm² | Conductor cross section, flexible [AWG] | 3/0 ... 350 kcmil (converted acc. to IEC) |
| Conductor cross-section flexible (ferrule without plastic sleeve) | 70 mm² ... 185 mm² | Flexible conductor cross section (ferrule with plastic sleeve) | 70 mm² ... 185 mm² |
| Cross-section with insertion bridge, rigid | 240 mm² | Cross-section with insertion bridge, flexible | 185 mm² |
| 2 conductors with same cross section, solid | 35 mm² ... 95 mm² | 2 conductors with same cross section, flexible | 50 mm² ... 95 mm² |
| 2 conductors with same cross section, flexible, with ferrule without plastic sleeve | 35 mm² ... 50 mm² | Nominal current | 415 A |
| Maximum load current | 415 A (with 240 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 | 240 mm² |
| Identification | II 2 GD Ex eb IIC Gb | Operating temperature range | -60 °C ... 110 °C |
| Ex-certified accessories | 1201947 VDE-ISS 8
1201659 E/AL-NS 32
1201662 E/AL-NS 35 | List of bridges | Insertion bridge / EB 2-36/UKH / 0201401
Insertion bridge / EB 3-36/UKH / 0201414 |
| Bridge data | 270 A / 240 mm² | Ex temperature increase | 40 K (389 A/240 mm²) |
| Rated voltage | 1100 V | at bridging with insertion bridge | 690 V |
| Rated insulation voltage | 1000 V | output | (Permanent) |
| Rated current | 350 A | Maximum load current | 350 A |
| Contact resistance | 0.03 mΩ | Stripping length | 40 mm |
| Torque range | 25 Nm ... 30 Nm | Nominal cross section | 240 mm² |
| Rated cross section AWG | 500 kcmil | Connection capacity rigid | 70 mm² ... 240 mm² |
| Connection capacity AWG | 2/0 ... 500 kcmil | Connection capacity flexible | 70 mm² ... 240 mm² |
| Connection capacity AWG | 2/0 ... 500 kcmil | 2 conductors with same cross section, solid | 35 mm² ... 95 mm² |
| 2 conductors with the same cross-section AWG rigid | 2 ... 3/0 | 2 conductors with same cross section, stranded | 50 mm² ... 95 mm² |
| 2 conductors with the same cross-section AWG flexible | 1/0 ... 3/0 | Width | 36 mm |
| Height | 100 mm | Depth | 123.6 mm |
| Depth on NS 32 | 129 mm | Depth on NS 35/15 | 131.5 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 | Result | Test passed |
| Short-time withstand current 240 mm² | 28.8 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 | Result | Test passed |
| Rotation speed | 10 (+/- 2) rpm | Revolutions | 135 |
| Conductor cross section/weight | 70 mm²/10.4 kg
240 mm²/20.0 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 35/15
NS 32 |
Specifications may be subject to change without notice