Product Model
UTTB 4 BN
Selling Points
- 1Efficient Distribution: Two function shafts per level for quick implementation of all potential distribution tasks.
- 2High Current Capacity: Supports up to 36A with a nominal current of 30A and a maximum load current of 36A.
- 3Flexible Conductor Options: Accepts wire sizes from 26 to 10 AWG and flexible conductor cross sections from 0.14 mm² to 6 mm².
- 4Durable Design: Meets overvoltage category III and degree of pollution 3 standards, ensuring reliable performance in harsh environments.
- 5Easy Installation: Compatible with screw connections and IEC 60947-7-1 standards, making installation straightforward and efficient.
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 | 02 |
Overvoltage category | III | Degree of pollution | 3 |
Rated surge voltage | 8 kV | 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 | brown (RAL 8028) |
Flammability rating according to UL 94 | V0 | Insulating material group | I |
Insulating material | PA | Static insulating material application in cold | -60 °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 | 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, 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