Phoenix ContactFeed-through terminal blocks, multi-conductor terminal blocks, and multi-level terminal blocks
Product Model
UK 5 N-PHR

Key Features
- 1Robust Design: Built to withstand high surge voltages up to 8 kV.
- 2Versatile Connections: Compatible with conductors from 0.2 mm² to 6 mm².
- 3Easy Installation: Screw connection method for quick and secure assembly.
- 4High Insulation: Insulating material PA with flammability rating UL 94 V0.
- 5Durable Mounting: Suitable for NS 32, NS 35/7,5, and NS 35/15 mounting types.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Product type | Feed-through terminal block | Number of positions | 1 |
| Number of connections | 2 | Number of rows | 1 |
| Article revision | 08 | Overvoltage category | III |
| Degree of pollution | 3 | Rated surge voltage | 8 kV |
| Maximum power dissipation for nominal condition | 1.82 W | Number of connections per level | 2 |
| Screw thread | M3 | Tightening torque | 0.6 ... 0.8 Nm |
| Stripping length | 8 mm | Connection in acc. with standard | IEC / EN |
| Conductor cross section rigid | 0.2 mm² ... 6 mm² | Cross section AWG | 24 ... 10 (converted acc. to IEC) |
| Conductor cross section flexible | 0.2 mm² ... 4 mm² | Conductor cross section, flexible [AWG] | 24 ... 12 (converted acc. to IEC) |
| Conductor cross-section flexible (ferrule without plastic sleeve) | 0.25 mm² ... 4 mm² | Flexible conductor cross section (ferrule with plastic sleeve) | 0.25 mm² ... 2.5 mm² |
| 2 conductors with same cross section, solid | 0.2 mm² ... 1.5 mm² | 2 conductors with same cross section, flexible | 0.2 mm² ... 1.5 mm² |
| 2 conductors with same cross section, flexible, with ferrule without plastic sleeve | 0.25 mm² ... 1.5 mm² | 2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve | 0.5 mm² ... 2.5 mm² |
| Nominal current | 32 A | Maximum load current | 41 A (with 6 mm² conductor cross section) |
| Maximum total current | 41 A (with 6 mm² conductor cross section) | Nominal voltage | 500 V |
| Nominal cross section | 4 mm² | Width | 6.2 mm |
| End cover width | 1.8 mm | Height | 42.5 mm |
| Depth on NS 32 | 52 mm | Depth on NS 35/7,5 | 47 mm |
| Depth on NS 35/15 | 54.5 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)) | 125 °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) | 27,5 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 |
| Result | Test passed | Requirement temperature-rise test | Increase in temperature ≤ 45 K |
| Result | Test passed | Short-time withstand current 4 mm² | 0.48 kA |
| Short-time withstand current 6 mm² | 0.72 kA | Result | Test passed |
| Test voltage setpoint | 1.89 kV | Result | Test passed |
| Open side panel | Yes | Result | Test passed |
| DIN rail/fixing support | NS 32/NS 35 | Test force setpoint | 1 N |
| Result | Test passed | Rotation speed | 10 (+/- 2) rpm |
| Revolutions | 135 | Conductor cross section/weight | 0.2 mm² / 0.2 kg
4 mm² / 0.9 kg
6 mm² / 1.4 kg |
| Result | Test passed | Time of exposure | 30 s |
| Result | Test passed | Specification | DIN EN 50155 (VDE 0115-200):2018-05 |
| 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 |
| Pulse shape | Half-sine | Acceleration | 30g |
| Shock duration | 18 ms | Number of shocks per direction | 3 |
| Test directions | X-, Y- and Z-axis (pos. and neg.) | 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 / EN |
| Mounting type | NS 32
NS 35/7,5
NS 35/15 |
Specifications may be subject to change without notice
