Product Model
UT 4-HESILED 24 (5X20) BU
Selling Points
- 1Extremely compact and space-efficient for various industrial applications.
- 2Tested for railway applications, ensuring high safety standards.
- 3Equipped with an LED indicator for easy voltage selection and monitoring.
- 4Downstream circuit remains connected even if the fuse is faulty, preventing disconnection.
- 5Suitable for railway industry, mechanical engineering, and plant engineering applications.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Product type | Fuse terminal block | Number of connections | 2 |
Number of rows | 1 | Potentials | 1 |
Article revision | 14 | Overvoltage category | III |
Degree of pollution | 3 | Fuse type | Glass / ceramics / ... |
Rated surge voltage | 4 kV | Maximum power dissipation for nominal condition | 1.02 W |
Fuse | G / 5 x 20 | LED voltage range | 12 V AC/DC ... 30 V AC/DC |
LED current range | 0.31 mA ... 0.95 mA | 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) |
LED voltage range | 12 V AC/DC ... 30 V AC/DC | 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 60947-7-3 |
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) | 0.25 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 | 24 V | Nominal cross section | 4 mm² |
Width | 6.2 mm | Height | 57.8 mm |
Depth on NS 35/7,5 | 73 mm | Depth on NS 35/15 | 80.5 mm |
Color | blue (RAL 5015) | 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 | No |
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 60947-7-3 | Mounting type | NS 35/7,5
NS 35/15 |
Specifications may be subject to change without notice