Selling Points
- 1High Voltage Compatibility: Supports up to 500V for reliable high-voltage connections.
- 2Dual Functionality: Features two function shafts per level for efficient distribution tasks.
- 3Screw Connection: Easy screw connection method for secure and quick setup.
- 4Wide Application Range: Suitable for railway industry, machine building, plant engineering, and process industry.
- 5Durable Construction: Constructed with durable materials for long-lasting performance in harsh environments.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Product type | Multi-level terminal block | Number of connections | 4 |
Number of rows | 2 | Potentials | 2 |
Article revision | 11 | Overvoltage category | III |
Degree of pollution | 3 | Rated surge voltage | 6 kV |
Maximum power dissipation for nominal condition | 0.77 W | Number of connections per level | 2 |
Nominal cross section | 2.5 mm² | Screw thread | M3 |
Tightening torque | 0.5 ... 0.6 Nm | Stripping length | 9 mm |
Internal cylindrical gage | A3 | Connection in acc. with standard | IEC 60947-7-1 |
Conductor cross section rigid | 0.14 mm² ... 4 mm² | Cross section AWG | 26 ... 12 (converted acc. to IEC) |
Conductor cross section flexible | 0.14 mm² ... 4 mm² | Conductor cross section, flexible [AWG] | 26 ... 12 (converted acc. to IEC) |
Conductor cross-section flexible (ferrule without plastic sleeve) | 0.14 mm² ... 2.5 mm² | Flexible conductor cross section (ferrule with plastic sleeve) | 0.14 mm² ... 2.5 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 | 24 A | Maximum load current | 28 A (in case of a 4 mm² conductor cross section, the maximum load current must not be exceeded by the total current of all connected conductors.) |
Nominal voltage | 500 V | Nominal cross section | 2.5 mm² |
Identification | II 2 GD Ex eb IIC Gb | Operating temperature range | -60 °C ... 110 °C |
Ex-certified accessories | 3047293 D-UTTB 2,5/4
3047303 DP-UTTB 2,5/4
3047316 ATP-UTTB 2,5/4
1205053 SZS 0,6X3,5
3022276 CLIPFIX 35-5
3022218 CLIPFIX 35 | List of bridges | Plug-in bridge / FBS 2-5 / 3030161
Plug-in bridge / FBS 3-5 / 3030174
Plug-in bridge / FBS 4-5 / 3030187
Plug-in bridge / FBS 5-5 / 3030190
Plug-in bridge / FBS 10-5 / 3030213
Plug-in bridge / FBS 20-5 / 3030226 |
Bridge data | 20 A / 2.5 mm² | Ex temperature increase | 40 K (22.5 A / 2.5 mm²) |
Rated voltage | 352 V | for bridging with bridge | 352 V |
- At bridging between non-adjacent terminal blocks | 352 V | - At bridging between non-adjacent terminal blocks via PE terminal block | 275 V |
- At cut-to-length bridging with cover | 220 V | - At cut-to-length bridging with partition plate | 176 V |
Rated insulation voltage | 320 V | output | (Permanent) |
Rated current | 20 A | Maximum load current | 24 A |
Torque range | 0.5 Nm ... 0.6 Nm | Nominal cross section | 2.5 mm² |
Rated cross section AWG | 14 | Connection capacity rigid | 0.14 mm² ... 4 mm² |
Connection capacity AWG | 26 ... 12 | Connection capacity flexible | 0.14 mm² ... 2.5 mm² |
Connection capacity AWG | 26 ... 14 | 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 | output | (Permanent) |
Contact resistance | 0.6 mΩ | output | (Permanent) |
Contact resistance | 0.4 mΩ | Width | 5.2 mm |
End cover width | 2.2 mm | Height | 69.9 mm |
Depth | 64.4 mm | Depth on NS 35/7,5 | 65 mm |
Depth on NS 35/15 | 72.5 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 | Yes | 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 % | Connection in acc. with standard | IEC 60947-7-1 |
Mounting type | NS 35/7,5
NS 35/15 |
Specifications may be subject to change without notice