Product Model
UTTB 4-BE

Selling Points
- 1Designed for 800 V and 30 A, ensuring reliable performance in demanding industrial environments.
- 2Easy and secure connection method for efficient wiring.
- 3Suitable for various applications including machine building, process industry, and railway industry.
- 4Allows for the installation of individually selected components, enhancing customization options.
- 5Built with high-quality materials, ensuring long-lasting performance and reliability.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Product type | Multi-level terminal block | Area of application | Railway industry
Machine building
Plant engineering
Process industry |
Number of connections | 4 | Number of rows | 2 |
Potentials | 2 | Article revision | 05 |
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 60947-7-1 | 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 | 30 A |
Maximum load current | 36 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 | 69.9 mm |
Depth on NS 35/7,5 | 65 mm | Depth on NS 35/15 | 72.5 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 | Open side panel | Yes |
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, 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 (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