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UKH 70 BU - High-current terminal block

High-current terminal block, nom. voltage: 1000 V, nominal current: 192 A, number of connections: 2, number of positions: 1, connection method: Screw connection, Rated cross section: 70 mm², cross section: 16 mm²-95 mm², mounting type: NS 35/7,5, NS35/15, NS 35/15-2,3, NS32, color: blue

Product Code: 3244601

Partner cod.: 3244601

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Product properties	Product type: High current terminal block Number of positions: 1 Area of application: Railway industry Machine building Plant engineering Number of connections: 2 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: 6.27 W
Connection data	Number of connections per level: 2 Nominal cross section: 70 mm² Level 1 above 1 below 1 Screw thread: M8 Tightening torque: 8 ... 10 Nm Stripping length: 24 mm Internal cylindrical gage: A11 Connection in acc. with standard: IEC 60947-7-1 Conductor cross section rigid: 16 mm² ... 95 mm² Cross section AWG: 4 ... 3/0 (converted acc. to IEC) Conductor cross section flexible: 25 mm² ... 70 mm² Conductor cross section, flexible [AWG]: 2 ... 2/0 (converted acc. to IEC) Conductor cross-section flexible (ferrule without plastic sleeve): 16 mm² ... 70 mm² Flexible conductor cross section (ferrule with plastic sleeve): 16 mm² ... 70 mm² 2 conductors with same cross section, solid: 16 mm² ... 25 mm² 2 conductors with same cross section, flexible: 16 mm² ... 25 mm² 2 conductors with same cross section, flexible, with ferrule without plastic sleeve: 16 mm² ... 25 mm² Nominal current: 192 A Maximum load current: 192 A (with 70 mm² conductor cross section) Nominal voltage: 1000 V Note: Note: Product releases, connection cross sections and notes on connecting aluminum cables can be found in the download area. Nominal cross section: 70 mm²
Ex data	Rated data (ATEX/IECEx) Identification: Ã¯II2GDEx eb IIC Gb Operating temperature range: -60°C ... 110°C Ex-certified accessories: 1201934 VDE-ISS 6 1201659 E/AL-NS 32 1201662 E/AL-NS 35 List of bridges: / FBI 2-20 N EX / 3213210 / FBI 3-20 N EX / 3213211 Bridge data: 180 A / 70 mm² Ex temperature increase: 40 K (180 A / 70 mm²) Rated voltage: 880 V (NS 35) Rated insulation voltage: 800 V (NS 35) 630 V (NS 32) output: (Permanent) Ex level General Rated current: 180 A Maximum load current: 180 A Contact resistance: 0.08 mÃ© Ex connection data General Torque range: 8 Nm ... 10 Nm Nominal cross section: 70 mm² Rated cross section AWG: 2/0 Connection capacity rigid: 16 mm² ... 95 mm² Connection capacity AWG: 4 ... 3/0 3 ... 2/0 Connection capacity flexible: 25 mm² ... 70 mm² 2 conductors with same cross section, solid: 16 mm² ... 25 mm² 2 conductors with the same cross-section AWG rigid: 4 ... 3 2 conductors with same cross section, stranded: 16 mm² ... 25 mm² 2 conductors with the same cross-section AWG flexible: 4 ... 3
Dimensions	Width: 20.3 mm Height: 70.5 mm Depth: 78.3 mm Depth on NS32: 85 mm Depth on NS35/7,5: 80 mm Depth on NS35/15: 87.5 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
Electrical tests	Surge voltage test Test voltage setpoint: 9.8 kV Result: Test passed Temperature-rise test Requirement temperature-rise test: Increase in temperature Ã¢¤45K Result: Test passed Short-time withstand current 70 mm²: 8.4 kA Power-frequency withstand voltage Test voltage setpoint: 2.2 kV Result: Test passed
Mechanical properties	Mechanical data Open side panel: No
Mechanical tests	Mechanical strength Result: Test passed Attachment on the carrier DIN rail/fixing support: NS32/NS35 Test force setpoint: 10 N Result: Test passed Test for conductor damage and slackening Rotation speed: 10 (+/- 2) rpm Revolutions: 135 Conductor cross section/weight: 16 mm² / 2.9 kg 70 mm²/10.4 kg 95 mm²/14 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):2022-06 Spectrum: Service life test category2, 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: DINEN50155 (VDE0115-200):2022-06 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 (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 NS 35/15-2,3 NS32