Product Model
UK 10,3-HESI 1000V

Selling Points
- 1Up to 1000 V DC for reliable electrical insulation.
- 2Midget fuse type with a 10.3 x 38 mm footprint for compact installations.
- 3Suitable for cross-sections from 1.5 to 25 mm² and AWG 16 to 4.
- 4Meets UL 94 V0 inflammability class and DIN EN 50274 shock protection standards.
- 5Black color with PA insulating material and M5 screw thread for straightforward connections.
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 | Article revision | 02 |
Overvoltage category | II | Degree of pollution | 3 |
Fuse type | Glass / ceramics / ... | Rated surge voltage | 6 kV |
Maximum power dissipation for nominal condition | 4 W | Fuse | gPV 10.3 x 38 mm in accordance with 60269-6 |
Number of connections per level | 2 | Nominal cross section | 25 mm² |
Rated cross section AWG | 3 | Screw thread | M5 |
Tightening torque | 2 ... 2.5 Nm | Stripping length | 11 mm |
Internal cylindrical gage | A7 | Connection in acc. with standard | IEC 60269-1 / -2 |
Conductor cross section rigid | 1.5 mm² ... 25 mm² | Cross section AWG | 14 ... 4 (converted acc. to IEC) |
Conductor cross section flexible | 0.75 mm² ... 25 mm² | Conductor cross section, flexible [AWG] | 18 ... 4 (converted acc. to IEC) |
Conductor cross-section flexible (ferrule without plastic sleeve) | 1.5 mm² ... 16 mm² | Flexible conductor cross section (ferrule with plastic sleeve) | 1.5 mm² ... 16 mm² |
Cross-section with insertion bridge, rigid | 10 mm² | Cross-section with insertion bridge, flexible | 10 mm² |
2 conductors with same cross section, solid | 1.5 mm² ... 4 mm² | 2 conductors with same cross section, flexible | 0.75 mm² ... 10 mm² |
2 conductors with same cross section, flexible, with ferrule without plastic sleeve | 1.5 mm² ... 4 mm² | 2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve | 1.5 mm² ... 10 mm² |
Nominal current | 30 A (the current and voltage are determined by the fuse) | Maximum load current | 30 A (the current and voltage are determined by the fuse) |
Nominal voltage | 1000 V DC (the current and voltage are determined by the fuse) | Nominal cross section | 16 mm² |
Width | 18 mm | Height | 81 mm |
Depth on NS 35/7,5 | 65.5 mm | Depth on NS 35/15 | 73 mm |
Color | black (RAL 9005) | Flammability rating according to UL 94 | V2 |
Insulating material group | IIIa | Relative insulation material temperature index (Elec., UL 746 B) | 125 °C |
Open side panel | No | Ambient temperature (operation) | -60 °C ... 85 °C (max. short-term operating temperature RTI Elec.) |
Ambient temperature (storage/transport) | -25 °C ... 55 °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 60269-1 / -2 |
Mounting type | NS 35/7,5
NS 35/15 |
Specifications may be subject to change without notice