Product Model
UK 5-HESI

Selling Points
- 1High Protection Against Overcurrent and Short-Circuiting: The UK 5-HESI series offers excellent protection for electrical systems, safeguarding against overcurrent and short-circuiting.
- 2Easy Installation on DIN Rail: Easily clipped onto DIN rail, these terminals provide greater flexibility with part interchangeability.
- 3ATEX Certification for Hazardous Areas: Certified for use in hazardous areas, ensuring safety in critical environments.
- 4Large-Surface Labeling and Safety Features: Features large-surface labeling, a safety lever locked in end position, and a hinged disconnect lever for added safety.
- 5Versatile Fuse Accommodation: Options to accommodate 5x20mm and 6.3x32mm fuses, providing versatility in fuse selection.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Note regarding marking | For terminal marking, please use marking material with 8.2 mm pitch. | Note regarding marking | For lever marking, please use marking material with 6.2 mm pitch. |
Product type | Fuse terminal block | Number of positions | 1 |
Number of connections | 2 | Number of rows | 1 |
Potentials | 1 | Article revision | 09 |
Overvoltage category | III | Degree of pollution | 3 |
Fuse type | Glass / ceramics / ... | Rated surge voltage | 8 kV |
Maximum power dissipation for nominal condition | 1.02 W | Fuse | G / 5 x 20 / 5 x 25 / 5 x 30 |
Number of connections per level | 2 | Nominal cross section | 4 mm² |
Screw thread | M3 | Tightening torque | 0.6 ... 0.8 Nm |
Stripping length | 8 mm | Internal cylindrical gage | A4 |
Connection in acc. with standard | IEC 60947-7-3 | Conductor cross section rigid | 0.2 mm² ... 4 mm² |
Cross section AWG | 24 ... 12 (converted acc. to IEC) | Conductor cross section flexible | 0.2 mm² ... 4 mm² |
Conductor cross section, flexible [AWG] | 24 ... 12 (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 | Cross-section with insertion bridge, rigid | 4 mm² |
Cross-section with insertion bridge, flexible | 4 mm² | 2 conductors with same cross section, solid | 0.2 mm² ... 1.5 mm² |
2 conductors with same cross section, flexible | 0.2 mm² ... 1.5 mm² | 2 conductors with same cross section, flexible, with ferrule without plastic sleeve | 0.25 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 | 800 V (As a fuse terminal block) |
Nominal cross section | 1 mm² | Connection in acc. with standard | IEC 60947-7-3 |
Conductor cross section rigid | 0.2 mm² ... 4 mm² | Cross section AWG | 24 ... 12 (converted acc. to IEC) |
Conductor cross section flexible | 0.2 mm² ... 4 mm² | 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 | Cross-section with insertion bridge, rigid | 4 mm² |
Cross-section with insertion bridge, flexible | 4 mm² | 2 conductors with same cross section, solid | 0.2 mm² ... 1.5 mm² |
2 conductors with same cross section, flexible | 0.2 mm² ... 1.5 mm² | 2 conductors with same cross section, flexible, with ferrule without plastic sleeve | 0.25 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 | 800 V (As a disconnect terminal block) |
Nominal cross section | 1 mm² | Width | 8.2 mm |
Height | 72.5 mm | Depth on NS 32 | 61.5 mm |
Depth on NS 35/7,5 | 56.5 mm | Depth on NS 35/15 | 64 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)) | 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 |
Specification | DIN EN 50155 (VDE 0115-200):2008-03 | Spectrum | Service life test category 1, class B, body mounted |
Frequency | f | ASD level | 1.857 (m/s²)²/Hz |
Acceleration | 0.8g | 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 60947-7-3
IEC 60947-7-3 |
Mounting type | NS 35/7,5
NS 35/15
NS 32 |
Specifications may be subject to change without notice