Industrial Automation
UTI 2,5-L/LTB - Installation level terminal block


Product properties | Product type: Installation terminal block Number of connections: 4 Number of rows: 3 Potentials: 3 Data management status Article revision: 05 Insulation characteristics Overvoltage category: III Degree of pollution: 3 |
Electrical properties | Rated surge voltage: 4 kV 6 kV Maximum power dissipation for nominal condition: 1.02 W |
Connection data | Number of connections per level: 2 Nominal cross section: 2.5 mm² 1st, 2nd and 3rd level Screw thread: M3 Tightening torque: 0.5 ... 0.6 Nm Stripping length: 9 mm Internal cylindrical gage: A3 Conductor cross section rigid: 0.2 mm² ... 4 mm² Cross section AWG: 24 ... 12 (converted acc. to IEC) Conductor cross section flexible: 0.2 mm² ... 4 mm² Conductor cross section, flexible [AWG]: 24 ... 12 (converted acc. to IEC) Conductor cross-section flexible (ferrule without plastic sleeve): 0.25 mm² ... 2.5 mm² Flexible conductor cross section (ferrule with plastic sleeve): 0.25 mm² ... 2.5 mm² 2 conductors with same cross section, solid: 0.2 mm² ... 1.5 mm² 2 conductors with same cross section, flexible: 0.2 mm² ... 1.5 mm² 2 conductors with same cross section, flexible, with ferrule without plastic sleeve: 0.25 mm² ... 0.75 mm² 2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve: 0.5 mm² ... 0.75 mm² Nominal current: 24 A (with 4 mm² conductor cross section) 16 A Maximum load current: 30 A (with 4 mm² conductor cross section and 3-pos. terminal block) 16 A (with 4 mm² conductor cross section) Nominal voltage: 400 V (phase conductor/phase conductor) Nominal cross section: 4 mm² 1.5 mm² |
Dimensions | Width: 5.2 mm End cover width: 2.2 mm Height: 93.5 mm Depth on NS 35/7,5: 51.5 mm Depth on NS 35/15: 59 mm |
Material specifications | Color: gray (RAL 7042) 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 Test voltage setpoint: 7.3 kV Result: Test passed Temperature-rise test Requirement temperature-rise test: Increase in temperature ââ°¤ 45 K 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: NS 35 Test force setpoint: 1 N Result: Test passed Test for conductor damage and slackening Rotation speed: 10 rpm Revolutions: 135 Conductor cross section/weight: 0.2 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: DIN EN 50155 (VDE 0115-200):2008-03 Spectrum: Service life test category 2, bogie-mounted Frequency: f1 = 5 Hz to f2 = 250 Hz ASD level: 6.12 (m/s²)²/Hz Acceleration: 3.12g Test duration per axis: 5 h Test directions: X-, Y- and Z-axis Result: Test passed Shocks Specification: DIN EN 50155 (VDE 0115-200):2008-03 Pulse shape: Half-sine Acceleration: 30g Shock duration: 18 ms 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 ... 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, not exceeding 24 h, -60 °C to +70 °C) Ambient temperature (assembly): -5 °C ... 70 °C Permissible humidity (operation): 20 % ... 90 % Permissible humidity (storage/transport): 30 % ... 70 % |
Mounting | Mounting type: NS 35/7,5 NS 35/15 |
Description other products