Product Model
UT 4-L/HESI (5X20)
Selling Points
- 1Secure Electrical Connections: The UT 4-L/HESI (5X20) ensures reliable circuit protection with its glass or ceramic fuses.
- 2Flexible Conductor Cross Section: Supports flexible conductors with ferrules up to 4 mm² for versatile applications.
- 3High Surge Voltage Rating: Rated for 6 kV surge voltage, providing robust protection against electrical surges.
- 4Efficient Power Dissipation: Designed to handle maximum power dissipation of 1.6 W under nominal conditions and up to 4 W in short-circuit scenarios.
- 5Durable Insulation: Features PA insulation material with a flammability rating of UL 94 V0 for enhanced safety and durability.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
General | The current is determined by the fuse used, the voltage by the selected LED. | Product type | Fuse terminal block |
Number of connections | 4 | Number of rows | 2 |
Potentials | 2 | Article revision | 12 |
Overvoltage category | III | Degree of pollution | 3 |
Fuse type | Glass / ceramics / ... | Rated surge voltage | 6 kV |
Maximum power dissipation for nominal condition | 1.02 W | Fuse | G / 5 x 20 |
Maximum power dissipation | max. 1.6 W (with single arrangement of the fuse terminal block in the event of overload)
max. 1.6 W (With interconnected arrangement of several fuse terminal blocks in the event of overload)
max. 4 W (with single arrangement of the fuse terminal block in the event of a short-circuit)
max. 2.5 W (With interconnected arrangement of several fuse terminal blocks in the event of a short-circuit) | 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/IEC 60947-7-3 |
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 | 30 A | Maximum load current | 36 A (the current is determined by the fuse used) |
Nominal voltage | 250 V | Nominal cross section | 4 mm² |
Screw thread | M3 | Tightening torque | 0.6 ... 0.8 Nm |
Stripping length | 9 mm | Connection in acc. with standard | IEC 60947-7-1/IEC 60947-7-3 |
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 | 6.3 A | Maximum load current | 6.3 A (the current is determined by the fuse used) |
Nominal voltage | 500 V (the voltage is determined by the fuse used) | Nominal cross section | 1 mm² |
Identification | II 3 G Ex ec llC Gc | Operating temperature range | -60 °C ... 130 °C |
Ex-certified accessories | 1205053 SZS 0,6X3,5
3022276 CLIPFIX 35-5
3022218 CLIPFIX 35 | Rated voltage | 500 V
250 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 | 20 A (4 mm²) | Maximum load current | 20 A (6 mm²) |
Contact resistance | 0.6 mΩ | Temperature increase | 40 K (20 A/4 mm²) |
output | (Permanent) | Rated current | 6.3 A (4 mm²) |
Maximum load current | 6.3 A (6 mm²) | Contact resistance | 5 mΩ |
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 | black (RAL 9005) |
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 | No | 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 60947-7-3
IEC 60947-7-1/IEC 60947-7-3 | Mounting type | NS 35/7,5
NS 35/15 |
Specifications may be subject to change without notice