Phoenix ContactFeed-through terminal blocks, multi-conductor terminal blocks, and multi-level terminal blocks
In Stock
UT 4-PE
Product ID:21046
Updated: 2026/4/3
Key Features
- 1Tested for railway applications with high surge voltage resistance up to 8 kV.
- 2Insulating material group I, ensuring reliable electrical insulation and safety.
- 3Screw connection method in accordance with IEC 60947-7-2 for straightforward assembly.
- 4Compliant with China RoHS, environmentally friendly with a 50-year use period.
- 5Suitable for various conductor cross sections from 0.14 mm² to 6 mm², including AWG 26 to 10.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Product type | Ground terminal block | Area of application | Railway industry
Machine building
Plant engineering
Process industry |
| Number of connections | 2 | Number of rows | 1 |
| Article revision | 16 | Overvoltage category | III |
| Degree of pollution | 3 | Rated surge voltage | 8 kV |
| Maximum power dissipation for nominal condition | 1.02 W | Grounding foot | Yes |
| Number of connections per level | 2 | Nominal cross section | 4 mm² |
| Screw thread | M3 | Note | Please observe the current carrying capacity of the DIN rails. |
| Tightening torque | 0.6 ... 0.8 Nm | Stripping length | 9 mm |
| Internal cylindrical gage | A4 | Connection in acc. with standard | IEC 60947-7-2 |
| 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) | 0.25 mm² ... 4 mm² | Flexible conductor cross section (ferrule with plastic sleeve) | 0.25 mm² ... 4 mm² |
| Note | Note: Product releases, connection cross sections and notes on connecting aluminum cables can be found in the download area. | Identification | II 2 GD Ex eb IIC Gb |
| Operating temperature range | -60 °C ... 110 °C | Ex-certified accessories | 3047028 D-UT 2,5/10
1205053 SZS 0,6X3,5
3022276 CLIPFIX 35-5
3022218 CLIPFIX 35 |
| output | (Permanent) | Torque range | 0.6 Nm ... 0.8 Nm |
| Nominal cross section | 4 mm² | Rated cross section AWG | 12 |
| Connection capacity rigid | 0.14 mm² ... 6 mm² | Connection capacity AWG | 26 ... 10 |
| Connection capacity flexible | 0.14 mm² ... 4 mm² | Connection capacity AWG | 26 ... 12 |
| Width | 6.2 mm | End cover width | 2.2 mm |
| Height | 47.7 mm | Depth | 46.9 mm |
| Depth on NS 35/7,5 | 47.5 mm | Depth on NS 35/15 | 55 mm |
| Color | green-yellow | 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, 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 60947-7-2 | Mounting type | NS 35/7,5
NS 35/15 |
Specifications may be subject to change without notice