Phoenix ContactFeed-through terminal blocks, multi-conductor terminal blocks, and multi-level terminal blocks
Product Model
UK 3 BU

Key Features
- 1High-quality connectivity solution for industrial applications.
- 2Reliable 800V, 24A rating for secure power transmission.
- 3Screw connections ensure easy and secure terminal block assembly.
- 4Non-grounded, non-fused design for added safety and reliability.
- 5Compatible with various industrial settings, including DIN rail mounting.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Product type | Feed-through terminal block | Number of connections | 2 |
| Number of rows | 1 | Potentials | 1 |
| Article revision | 04 | Overvoltage category | III |
| Degree of pollution | 3 | Rated surge voltage | 8 kV |
| Maximum power dissipation for nominal condition | 0 W | Number of connections per level | 2 |
| Screw thread | M3 | Tightening torque | 0.5 ... 0.8 Nm |
| Stripping length | 8 mm | Connection in acc. with standard | IEC / EN |
| 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 ... 2.5 mm² | Conductor cross section, flexible [AWG] | 24 ... 14 (converted acc. to IEC) |
| Conductor cross-section flexible (ferrule without plastic sleeve) | 0.25 mm² ... 2.5 mm² | Flexible conductor cross section (ferrule with plastic sleeve) | 0.25 mm² ... 1.5 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 mm² |
| Nominal current | 24 A | Maximum load current | 32 A (with 4 mm² conductor cross section) |
| Nominal voltage | 800 V | Connection in acc. with standard | UL |
| Cross section AWG | 28 ... 12 (converted acc. to IEC) | Nominal current | 20 A |
| Nominal voltage | 600 V | Nominal current | 25 A |
| Nominal voltage | 600 V | Width | 5.2 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 | blue (RAL 5015) |
| Flammability rating according to UL 94 | V2 | Insulating material group | I |
| Insulating material | PA | Open side panel | Yes |
| 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 / EN
UL | Mounting type | NS 35/7,5
NS 35/15
NS 32 |
Specifications may be subject to change without notice
