Phoenix ContactFeed-through terminal blocks, multi-conductor terminal blocks, and multi-level terminal blocks
Product Model
UK 10 N BK
Key Features
- 1Up to 800 V nominal voltage.
- 2Supports up to 57 A nominal current.
- 3Made with robust materials for long-lasting performance.
- 4Screw connection and DIN rail mounting for simple setup.
- 5Passed various tests including surge voltage, power-frequency withstand voltage, and needle-flame tests.
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 | 11 | 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 |
| Nominal cross section | 10 mm² | Screw thread | M4 |
| Tightening torque | 1.5 ... 1.8 Nm | Stripping length | 10 mm |
| Internal cylindrical gage | B6 | Connection in acc. with standard | IEC 60947-7-1 |
| Conductor cross section rigid | 0.5 mm² ... 16 mm² | Cross section AWG | 20 ... 6 (converted acc. to IEC) |
| Conductor cross section flexible | 0.5 mm² ... 10 mm² | Conductor cross section, flexible [AWG] | 20 ... 8 (converted acc. to IEC) |
| Conductor cross-section flexible (ferrule without plastic sleeve) | 0.5 mm² ... 10 mm² | Flexible conductor cross section (ferrule with plastic sleeve) | 0.5 mm² ... 6 mm² |
| Cross-section with insertion bridge, rigid | 10 mm² | Cross-section with insertion bridge, flexible | 10 mm² |
| 2 conductors with same cross section, solid | 0.5 mm² ... 4 mm² | 2 conductors with same cross section, flexible | 0.5 mm² ... 4 mm² |
| 2 conductors with same cross section, flexible, with ferrule without plastic sleeve | 0.5 mm² ... 2.5 mm² | 2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve | 0.5 mm² ... 6 mm² |
| Nominal current | 57 A | Maximum load current | 76 A (with 16 mm² conductor cross section) |
| Nominal voltage | 800 V | Nominal cross section | 10 mm² |
| Identification | II 2 GD Ex eb IIC Gb | Operating temperature range | -60 °C ... 110 °C |
| Ex-certified accessories | 3003020 D-UK 4/10
3006027 D-UK 16
3004210 ATP-UK 5-MTK
1205066 SZS 1,0X4,0 VDE
1201442 E/UK | List of bridges | Fixed bridge / FBI 10-10-EX / 0711690 |
| Bridge data | 51.5 A / 10 mm² | List of bridges | Insertion bridge / EB 2-10 / 0203153
Insertion bridge / EB 3-10 / 0203328
Insertion bridge / EB 10-10 / 0203137 |
| Bridge data | 50 A / 10 mm² | Ex temperature increase | 40 K (59.1 A / 10 mm²) |
| Rated voltage | 690 V | at bridging with insertion bridge | 690 V |
| for bridging with bridge | 690 V | Rated insulation voltage | 630 V |
| output | (Permanent) | Rated current | 53.5 A |
| Maximum load current | 67 A | Contact resistance | 0.12 mΩ |
| Torque range | 1.5 Nm ... 1.8 Nm | Nominal cross section | 10 mm² |
| Rated cross section AWG | 8 | Connection capacity rigid | 0.5 mm² ... 16 mm² |
| Connection capacity AWG | 20 ... 6 | Connection capacity flexible | 0.5 mm² ... 10 mm² |
| Connection capacity AWG | 20 ... 8 | 2 conductors with same cross section, solid | 0.5 mm² ... 4 mm² |
| 2 conductors with the same cross-section AWG rigid | 20 ... 12 | 2 conductors with same cross section, stranded | 0.5 mm² ... 4 mm² |
| 2 conductors with the same cross-section AWG flexible | 20 ... 12 | Width | 10.2 mm |
| End cover width | 1.8 mm | Height | 42.5 mm |
| Depth on NS 32 | 52.3 mm | Depth on NS 35/7,5 | 47.3 mm |
| Depth on NS 35/15 | 54.8 mm | Color | black (RAL 9005) |
| 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 10 mm² | 1.2 kA | Short-time withstand current 16 mm² | 1.92 kA |
| Result | Test passed | Test voltage setpoint | 2 kV |
| Result | Test passed | Open side panel | Yes |
| Result | Test passed | DIN rail/fixing support | NS 32/NS 35 |
| Test force setpoint | 5 N | Result | Test passed |
| Rotation speed | 10 rpm | Revolutions | 135 |
| Conductor cross section/weight | 0.5 mm² / 0.3 kg
10 mm² / 2 kg
16 mm² / 2.9 kg | Result | Test passed |
| Time of exposure | 30 s | 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 |
Specifications may be subject to change without notice