Product Model
UT 4/ 1P BU

Selling Points
- 1The UT 4/1P BU terminal block offers a compact design with a large wiring space, enabling the connection of solid and stranded conductors without ferrules.
- 2With a maximum rating of 32 amps, this terminal block is suitable for high-current applications in industrial settings.
- 3The UT 4/1P BU features a reliable screw connection method, ensuring secure and durable connections.
- 4The terminal block's compact size allows for user-friendly wiring in a small amount of space, making it ideal for space-constrained installations.
- 5Designed for industrial, automation, and process control applications, the UT 4/1P BU offers maximum flexibility and wiring density.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
General | Current and voltage are determined by the plug used. | Product type | Plug-in terminal block |
Number of connections | 2 | Number of rows | 1 |
Potentials | 1 | Article revision | 08 |
Overvoltage category | III | Degree of pollution | 3 |
Rated surge voltage | 8 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 | 9 mm | Internal cylindrical gage | A4 |
Connection in acc. with standard | IEC 61984 | Conductor cross section rigid | 0.14 mm² ... 6 mm² |
Cross section AWG | 26 ... 10 (converted acc. to IEC) | Conductor cross section flexible | 0.14 mm² ... 6 mm² |
Conductor cross section, flexible [AWG] | 26 ... 10 (converted acc. to IEC) | Conductor cross-section flexible (ferrule without plastic sleeve) | 0.14 mm² ... 4 mm² |
Flexible conductor cross section (ferrule with plastic sleeve) | 0.14 mm² ... 4 mm² | 2 conductors with same cross section, solid | 0.14 mm² ... 1.5 mm² |
2 conductors with same cross section, flexible | 0.14 mm² ... 1.5 mm² | 2 conductors with same cross section, flexible, with ferrule without plastic sleeve | 0.14 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 | 32 A (with 6 mm² conductor cross section) | Nominal voltage | 800 V |
Nominal cross section | 4 mm² | Width | 6.2 mm |
End cover width | 2.2 mm | Height | 47.6 mm |
Depth on NS 35/7,5 | 47.5 mm | Depth on NS 35/15 | 55 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)) | 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 | Open side panel | Yes |
Ambient temperature (operation) | -60 °C (max. operating temperature see derating curve) | 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 61984 | Mounting type | NS 35/7,5
NS 35/15 |
Specifications may be subject to change without notice