UT 4-HESI (5X20)-EX
Product ID:22258
Updated: 2026/7/28
Key Features
- 1Compact design for easy installation.
- 2Screw connections ensure secure and reliable connections.
- 3Rated for 250 V and 30 A nominal current.
- 4Insulation material PA with V0 flammability rating.
- 5Meets overvoltage category III and pollution degree 3 standards.
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Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Product type | Fuse terminal block | Area of application | Railway industry
Machine building
Plant engineering |
| Number of connections | 2 | Number of rows | 1 |
| Potentials | 1 | Article revision | 00 |
| 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 | 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 | Nominal cross section | 4 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 | 275 V |
| Rated insulation voltage | 250 V | output | (Permanent) |
| Rated current | 6.3 A (4 mm²) | Maximum load current | 6.3 A (6 mm²) |
| Contact resistance | 5 mΩ | 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 | Width | 6.2 mm |
| Height | 57.8 mm | Depth on NS 35/7,5 | 75.6 mm |
| Depth on NS 35/15 | 83.1 mm | Color | black (RAL 9005) |
| Flammability rating according to UL 94 | V0 | Insulating material group | I |
| Insulating material | PA | 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, no longer than 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 % |
| Mounting type | NS 35/7,5
NS 35/15 |
Specifications may be subject to change without notice
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