Selling Points
- 1Efficient Connection Management: Quickly implement all potential distribution tasks with two function shafts per level.
- 2High Current Capacity: Handles up to 28A maximum load current for reliable performance.
- 3Durable Construction: Tested for railway applications and meets stringent standards for overvoltage and pollution.
- 4Easy Installation: Compatible with DIN rail mounting types NS 35/7,5 and NS 35/15 for seamless integration.
- 5Clear Labeling: Supports large-surface labeling for a clear overview of each terminal point.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Product type | Multi-level terminal block | Area of application | Railway industry
Machine building
Plant engineering
Process industry |
Number of connections | 4 | Number of rows | 2 |
Potentials | 2 | Article revision | 08 |
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 | white (RAL 9010) | Flammability rating according to UL 94 | V0 |
Insulating material group | I | Insulating material | PA |
Static insulating material application in cold | -60 °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 |
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