Industrial Automation
STU 4-TWIN BU - Feed-through terminal block


Product properties | Product type: Hybrid terminal block Number of connections: 3 Number of rows: 1 Potentials: 1 Insulation characteristics Overvoltage category: III Degree of pollution: 3 |
Electrical properties | Rated surge voltage: 8 kV Maximum power dissipation for nominal condition: 1.02 W |
Connection data | Number of connections per level: 3 Nominal cross section: 4 mm² Level 1 above 1+2 Stripping length: 8 mm ... 10 mm Connection in acc. with standard: IEC 60947-7-1 Conductor cross section rigid: 0.08 mm² ... 6 mm² Cross section AWG: 28 ... 10 (converted acc. to IEC) Conductor cross section flexible: 0.08 mm² ... 4 mm² Conductor cross section, flexible [AWG]: 28 ... 12 (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 Conductor cross-section flexible (2 conductors with the same cross-section, with TWIN ferrule and plastic sleeve): 0.14 mm² ... 1 mm² 2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve: 0.5 mm² ... 1 mm² Nominal current: 32 A Maximum load current: 38 A (The maximum load current must not be exceeded by the total current of all connected conductors.) Nominal voltage: 800 V Nominal cross section: 4 mm² Level 1 below 1 Screw thread: M3 Tightening torque: 0.6 ... 0.8 Nm Connection in acc. with standard: IEC 60947-7-1 Conductor cross section rigid: 0.14 mm² ... 6 mm² Cross section AWG: 28 ... 10 (converted acc. to IEC) Conductor cross section flexible: 0.14 mm² ... 6 mm² Conductor cross section, flexible [AWG]: 28 ... 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 Conductor cross-section flexible (2 conductors with the same cross-section, with TWIN ferrule and plastic sleeve): 0.5 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 2 conductors with same cross section, flexible, with ferrule without plastic sleeve: 0.25 mm² ... 1.5 mm² 2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve: 0.5 mm² ... 1 mm² Nominal current: 32 A Maximum load current: 38 A (with 6 mm² conductor cross section) Nominal voltage: 800 V Nominal cross section: 4 mm² |
Dimensions | Width: 6.2 mm End cover width: 2.2 mm Height: 74.4 mm Depth on NSÃ35/7,5: 42.8 mm Depth on NSÃ35/15: 50.3 mm |
Material specifications | Color: blue 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)): 130°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): 28 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 |
Mechanical properties | Mechanical data Open side panel: Yes |
Environmental and real-life conditions | 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 24Ãh, -60ðC to +70ðC) 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 NSÃ35/15 |
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