Phoenix ContactFeed-through terminal blocks, multi-conductor terminal blocks, and multi-level terminal blocks
Product Model
UKK 5 BU/32 BS:1-64 NZ2165125

Key Features
- 1Designed for demanding applications with a nominal voltage of 500 V and a nominal current of 32 A.
- 2Offers two levels of connections, providing ample space for various conductor configurations.
- 3Ensures secure and easy connections with M3 screw threads and a tightening torque of 0.6 to 0.8 Nm.
- 4Meets overvoltage category III and degree of pollution 3, ensuring robust electrical insulation.
- 5Compatible with NS 35/7.5, NS 35/15, and NS 32 mounting types for flexible installation options.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Product type | Multi-level terminal block | Number of connections | 128 |
| Number of rows | 2 | Potentials | 64 |
| Article revision | 07 | Overvoltage category | III |
| Degree of pollution | 3 | Rated surge voltage | 6 kV |
| Maximum power dissipation for nominal condition | 1.02 W | Number of connections per level | 2 |
| Nominal cross section | 4 mm² | Screw thread | M3 |
| Tightening torque | 0.6 ... 0.8 Nm | Stripping length | 8 mm |
| Connection in acc. with standard | IEC 60947-7-1 | Conductor cross section rigid | 0.2 mm² ... 4 mm² |
| Cross section AWG | 24 ... 12 (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 | Cross-section with insertion bridge, rigid | 4 mm² |
| Cross-section with insertion bridge, flexible | 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 ... 1.5 mm² | Nominal current | 32 A |
| Maximum load current | 32 A (with 4 mm² conductor cross section) | Nominal voltage | 500 V |
| Nominal cross section | 4 mm² | Width | 198.4 mm |
| End cover width | 2.5 mm | Color | blue (RAL 5015) |
| 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 |
| Open side panel | No | Ambient temperature (operation) | -60 °C ... 105 °C (max. short-term operating temperature RTI Elec.) |
| 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 % |
| Connection in acc. with standard | IEC 60947-7-1 | Mounting type | NS 35/7,5
NS 35/15
NS 32 |
Specifications may be subject to change without notice
