Available 
| Product properties | 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 Insulation characteristics Overvoltage category: III Degree of pollution: 3 |
| Electrical properties | Rated surge voltage: 6 kV Maximum power dissipation for nominal condition: 0.77 W |
| Connection data | Number of connections per level: 2 Nominal cross section: 2.5 mm² Level 1+2 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 |
| Ex data | Rated data (ATEX/IECEx) Identification: ïII2GDEx 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) Ex level General Rated current: 20 A Maximum load current: 24 A Ex connection data General 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 26 ... 14 Connection capacity flexible: 0.14 mm² ... 2.5 mm² 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) Ex level Level 1 Contact resistance: 0.6 mé output: (Permanent) Ex level Level 2 Contact resistance: 0.4 mé |
| Dimensions | Width: 5.2 mm End cover width: 2.2 mm Height: 69.9 mm Depth: 64.4 mm Depth on NS35/7,5: 65 mm Depth on NS35/15: 72.5 mm |
| Material specifications | Color: gray 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 |
| Electrical tests | Surge voltage test Result: Test passed Temperature-rise test Requirement temperature-rise test: 45K Result: Test passed Short-time withstand current 2.5 mm²: 0.3 kA Short-time withstand current 4 mm²: 0.48 kA Power-frequency withstand voltage Test voltage setpoint: 1.89 kV Result: Test passed |
| Mechanical properties | Mechanical data Open side panel: Yes |
| Mechanical tests | Mechanical strength Result: Test passed Attachment on the carrier DIN rail/fixing support: NS35 Test force setpoint: 1 N Result: Test passed Test for conductor damage and slackening Rotation speed: 10rpm Revolutions: 135 Conductor cross section/weight: 0.14 mm² / 0.2 kg 2.5 mm² / 0.7 kg 4 mm² / 0.9 kg Result: Test passed |
| Environmental and real-life conditions | Needle-flame test Time of exposure: 30 s Result: Test passed Oscillation/broadband noise Specification: DINEN50155 (VDE0115-200):2008-03 Spectrum: Service life test category1, classB, body mounted Frequency: f1 = 5 Hz to f2 = 150 Hz 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 Shocks Specification: DINEN50155 (VDE0115-200):2008-03 Pulse shape: Half-sine Acceleration: 5g Shock duration: 30ms Number of shocks per direction: 3 Test directions: X-, Y- and Z-axis (pos. and neg.) Result: Test passed Ambient conditions Ambient temperature (operation): -60°C ... 105°C (max. short-term operating temperature RTI Elec.) Ambient temperature (storage/transport): -25°C ... 60°C (for a short time, not exceeding 24h, -60°C to +70°C) Ambient temperature (assembly): -5°C ... 70°C Ambient temperature (actuation): -5°C ... 70°C Permissible humidity (storage/transport): 30 % ... 70 % |
| Standards and regulations | Connection in acc. with standard: IEC 60947-7-1 |
| Mounting | Mounting type: NS 35/7,5 NS35/15 |
| ECLASS | ECLASS-11.0: 27141120 ECLASS-13.0: 27250102 |
| ETIM | ETIM 9.0: EC000897 |
| UNSPSC | UNSPSC 21.0: 39121400 |
Description other products
