Industrial Automation
STTB 1,5 - Double-level spring-cage terminal block


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: 0.56 W |
Connection data | Number of connections per level: 2 Nominal cross section: 1.5 mm² 1st and 2nd level Stripping length: 10 mm Internal cylindrical gage: A1 Connection in acc. with standard: IEC 60947-7-1 Conductor cross section rigid: 0.08 mm² ... 1.5 mm² Cross section AWG: 28 ... 16 (converted acc. to IEC) Conductor cross section flexible: 0.08 mm² ... 1.5 mm² Conductor cross section, flexible [AWG]: 28 ... 16 (converted acc. to IEC) Conductor cross-section flexible (ferrule without plastic sleeve): 0.14 mm² ... 1.5 mm² Flexible conductor cross section (ferrule with 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 Nominal current: 17.5 A Maximum load current: 17.5 A (with 1.5 mm² conductor cross section) Nominal voltage: 500 V Nominal cross section: 1.5 mm² |
Ex data | Rated data (ATEX/IECEx) Identification: ïÃÃIIÃ2ÃGDÃÃEx eb IIC Gb Operating temperature range: -60°C ... 110°C Ex-certified accessories: 3030459 D-STTB 2,5 3030747 ATP-STTB 4 1204504 SZF 0-0,4X2,5 3022276 CLIPFIX 35-5 3022218 CLIPFIX 35 List of bridges: Plug-in bridgeÃ/ÃFBS 2-4Ã/Ã3030116 Plug-in bridgeÃ/ÃFBS 3-4Ã/Ã3030129 Plug-in bridgeÃ/ÃFBS 4-4Ã/Ã3030132 Plug-in bridgeÃ/ÃFBS 5-4Ã/Ã3030145 Plug-in bridgeÃ/ÃFBS 10-4Ã/Ã3030158 Plug-in bridgeÃ/ÃFBS 20-4Ã/Ã3030352 Bridge data: 13.5 AÃ/Ã1.5 mm² Ex temperature increase: 40 K (17.3 A/1.5 mm²) Rated voltage: 440 V for bridging with bridge: 440 V - At bridging between non-adjacent terminal blocks: 352 V - At bridging between non-adjacent terminal blocks via PE terminal block: 352 V Rated insulation voltage: 400 V output: (Permanent) Ex level General Rated current: 15.5 A Maximum load current: 15.5 A Ex connection data General Nominal cross section: 1.5 mm² Rated cross section AWG: 16 Connection capacity rigid: 0.08 mm² ... 1.5 mm² Connection capacity AWG: 28 ... 16 Connection capacity flexible: 0.08 mm² ... 1.5 mm² output: (Permanent) Ex level Level 1 Contact resistance: 1.04 mé output: (Permanent) Ex level Level 2 Contact resistance: 0.96 mé |
Dimensions | Width: 4.2 mm End cover width: 2.2 mm Height: 67.5 mm Depth on NSÃ35/7,5: 47.5 mm Depth on NSÃ35/15: 55 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: Increase in temperature ââ°¤Ã45ÃK Result: Test passed Short-time withstand current 1.5 mm²: 0.18 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 Test force setpoint: 1 N Result: Test passed Test for conductor damage and slackening Rotation speed: 10Ãrpm Revolutions: 135 Conductor cross section/weight: 0.08 mm² / 0.1 kg 1.5 mm² / 0.4 kg Result: Test passed |
Environmental and real-life conditions | Aging Temperature cycles: 192 Result: Test passed Needle-flame test Time of exposure: 30 s Result: Test passed Oscillation/broadband noise Specification: DINÃENÃ50155 (VDEÃ0115-200):2008-03 Spectrum: Service life test categoryÃ2, 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: DINÃENÃ50155 (VDEÃ0115-200):2008-03 Pulse shape: Half-sine Acceleration: 30g Shock duration: 18Ãms 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 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 |
Description other products