
for direct mounting
3076523
SKU
PHX3076523
MPN
UKH 70-3L/N-F
Weight
0.628 kg
Series UKH
UKH 70-3L/N-F - High-current terminal block
High-current terminal block, nom. voltage: 1000 V, nominal current: 192 A, number of connections: 8, number of positions: 4, connection method: Screw connection, Rated cross section: 70 mm2, cross section: 16 mm2 - 95 mm2, mounting type: direct screw connection, color: gray/blue
- Reliable cable connection is ensured by three-point centering of the conductor in the prismatic sleeve base
- Low contact resistance of the contact surface due to ribbing
- Screw locking by means of spring-loaded elements in the clamping part
Technical Specifications
General
| Note | For a reliable contact of multi stranded conductors it is recommended to untwist multi stranded conductors. |
Product properties
| Number of Positions | 4 |
| Number of Connections | 8 |
| Number of rows | 1 |
| Potentials | 4 |
Insulation characteristics
| Overvoltage category | III |
| Degree of pollution | 3 |
Electrical properties
| Rated surge voltage | 8 kV |
| Maximum power dissipation for nominal condition | 6.27 W |
Connection data
| Number of connections per level | 8 |
| Nominal cross section | 70 mm² |
Level 1 above 1 below 1
| 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] | 3 ... 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 (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 | 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 |
Dimensions
| Width | 81.2 mm |
| Height | 80 mm |
Material specifications
| Color | gray/blue |
| 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 |
| Short-time withstand current 70 mm² | 8.4 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
| Test force setpoint | 10 N |
| Result | Test passed |
Test for conductor damage and slackening
| Conductor cross section/weight | 25 mm² / 4.5 kg |
| Conductor cross section/weight | 70 mm²/10.4 kg |
| Conductor cross section/weight | 95 mm²/14 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):2008-03 |
| Spectrum | Service life test category 1, class B, body mounted |
| Frequency | f1 = 5 Hz to f2 = 150 Hz |
| ASD level | 1.857 (m/s²)²/Hz |
| Acceleration | 0.8g |
| Test duration per axis | 5 h |
| Test directions | X-, Y- and Z-axis |
| Result | Test passed |
Shocks
| Specification | DIN EN 50155 (VDE 0115-200):2008-03 |
| 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 (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 (storage/transport) | 30 % ... 70 % |
Standards and Regulations
| Connection in acc. with standard | IEC 60947-7-1 |
Mounting
| Mounting Type | direct screw connection |
Accessories
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Additional Information
| Pack Size | 3 |
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