Product Model
UT 4-L/HEDI
Selling Points
- 1Robust Design for Explosive Environments: Suitable for use in potentially explosive areas with Ex nA approval.
- 2High Voltage and Current Rating: Supports up to 500V and 28A, making it versatile for various applications.
- 3Screw Connection for Easy Installation: Simplifies the connection process with M3 screw thread and 0.6-0.8 Nm tightening torque.
- 4Wide Temperature Range: Operates from -60°C to +130°C, ensuring reliability in diverse conditions.
- 5Compliance with International Standards: Meets IECEx, UL, cUL, EAC, CSA, and V0 UL 94 flammability rating standards.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Product type | Disconnect terminal block | Number of connections | 4 |
Number of rows | 2 | Potentials | 2 |
Article revision | 13 | Overvoltage category | III |
Degree of pollution | 3 | Rated surge voltage | 6 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 ... 1.5 mm² |
Nominal current | 28 A (with 4 mm² conductor cross section) | Maximum load current | 36 A (with 6 mm² conductor cross section) |
Nominal voltage | 500 V | Nominal cross section | 4 mm² |
Screw thread | M3 | Connection in acc. with standard | IEC 60947-7-2/IEC 60947-7-3 |
Conductor cross section rigid | 0.14 mm² ... 4 mm² | Cross section AWG | 26 ... 10 (converted acc. to IEC) |
Conductor cross section flexible | 0.14 mm² ... 4 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 ... 1.5 mm² |
Nominal current | 6.3 A | Maximum load current | 6.3 A |
Nominal voltage | 500 V | Nominal cross section | 1 mm² |
Identification | II 3 G Ex ec llC Gc | Operating temperature range | -60 °C ... 130 °C |
Ex-certified accessories | 3047183 ATP-UT-TWIN
1205053 SZS 0,6X3,5
3022276 CLIPFIX 35-5
3022218 CLIPFIX 35 | Rated voltage | 550 V |
Rated insulation voltage | 500 V | 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 ... 6 mm² |
Connection capacity AWG | 26 ... 10 | 2 conductors with same cross section, solid | 0.14 mm² ... 1.5 mm² |
2 conductors with the same cross-section AWG rigid | 26 ... 16 | 2 conductors with same cross section, stranded | 0.14 mm² ... 1.5 mm² |
2 conductors with the same cross-section AWG flexible | 26 ... 16 | Conductor cross section flexible, with ferrule without plastic sleeve min. | 0.14 mm² |
Conductor cross section flexible, with ferrule without plastic sleeve max. | 4 mm² | Single conductor/terminal point, flexible, with ferrule, without plastic sleeve, AWG | 26 ... 12 |
output | (Permanent) | Rated current | 24 A (4 mm²) |
Maximum load current | 32 A (6 mm²) | Contact resistance | 0.6 mΩ |
Temperature increase | 40 K (24 A / 4 mm²) | output | (Permanent) |
Rated current | 16 A (4 mm²) | Maximum load current | 16 A (6 mm²) |
Contact resistance | 1.6 mΩ | Temperature increase | 40 K (16 A / 4 mm²) |
Width | 6.2 mm | Height | 92.7 mm |
Depth | 94.5 mm | Depth on NS 35/7,5 | 88.9 mm |
Depth on NS 35/15 | 96.4 mm | Color | multicolored
black (RAL 9005)
orange (RAL 2003) |
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 |
Test voltage setpoint | 7.3 kV | Result | Test passed |
Requirement temperature-rise test | Increase in temperature ≤ 45 K | Result | Test passed |
Short-time withstand current 6 mm² | 0.72 kA | Short-time withstand current 2.5 mm² | 0.3 kA |
Result | Test passed | Test voltage setpoint | 1.89 kV |
Result | Test passed | Open side panel | No |
Result | Test passed | DIN rail/fixing support | NS 35 |
Test force setpoint | 1 N | Result | Test passed |
Rotation speed | 10 rpm | Revolutions | 135 |
Conductor cross section/weight | 0.14 mm² / 0.2 kg
4 mm² / 0.9 kg
6 mm² / 1.4 kg | Result | Test passed |
Time of exposure | 30 s | Result | Test passed |
Specification | DIN EN 50155 (VDE 0115-200):2008-03 | Spectrum | Service life test category 1, class B, body mounted |
Frequency | f | ASD level | 0.964 (m/s²)²/Hz |
Acceleration | 0.58g | Test duration per axis | 5 h |
Test directions | X-, Y- and Z-axis | Result | Test passed |
Specification | DIN EN 50155 (VDE 0115-200):2008-03 | Pulse shape | Half-sine |
Acceleration | 5g | Shock duration | 30 ms |
Number of shocks per direction | 3 | Test directions | X-, Y- and Z-axis (pos. and neg.) |
Result | Test passed | 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
IEC 60947-7-2/IEC 60947-7-3 |
Mounting type | NS 35/7,5
NS 35/15 |
Specifications may be subject to change without notice