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STTBS 2,5 - Double-level spring-cage terminal block

Double-level spring-cage terminal block, nom. voltage: 500 V, nominal current: 22 A, connection method: Spring-cage connection, 1st and 2nd level, Rated cross section: 2.5 mm², cross section: 0.08 mm² - 4 mm², mounting type: NS 35/7,5, NS35/15, color: gray

Cod. Articolo: 3038464

Cod. Fornitore: 3038464

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Product properties	Product type: Multi-level terminal block 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 1st and 2nd level Stripping length: 8 mm ... 10 mm Internal cylindrical gage: A3 Connection in acc. with standard: IEC 60947-7-1 Conductor cross section rigid: 0.08 mm² ... 4 mm² Cross section AWG: 28 ... 12 (converted acc. to IEC) Conductor cross section flexible: 0.08 mm² ... 2.5 mm² Conductor cross section, flexible [AWG]: 28 ... 14 (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 the same cross section, flexible, with TWIN ferrule with plastic sleeve: 0.5 mm² Nominal current: 22 A Maximum load current: 26 A (with 4Ãmm² conductor cross section) Nominal voltage: 500 V Nominal cross section: 2.5 mm²
Ex data	Rated data (ATEX/IECEx) Identification: Ã¯Ã IIÃ2ÃGÃÃEx eb IIC Gb Operating temperature range: -60°C ... 110°C Ex-certified accessories: 3038503 D-STTBS 2,5 1204517 SZF 1-0,6X3,5 3022276 CLIPFIX 35-5 3022218 CLIPFIX 35 List of bridges: Plug-in bridgeÃ/ÃFBS 2-5Ã/Ã3030161 Plug-in bridgeÃ/ÃFBS 3-5Ã/Ã3030174 Plug-in bridgeÃ/ÃFBS 4-5Ã/Ã3030187 Plug-in bridgeÃ/ÃFBS 5-5Ã/Ã3030190 Plug-in bridgeÃ/ÃFBS 10-5Ã/Ã3030213 Plug-in bridgeÃ/ÃFBS 20-5Ã/Ã3030226 Plug-in bridgeÃ/ÃFBS 50-5Ã/Ã3038930 Bridge data: 19 AÃ/Ã2.5 mm² Ex temperature increase: 40 K (19.5ÃAÃ/Ã2.5Ãmm²) Rated voltage: 440 V for bridging with bridge: 440 V - At bridging between non-adjacent terminal blocks: 352 V - At cut-to-length bridging: 220 V - At cut-to-length bridging with cover: 220 V Rated insulation voltage: 400 V output: (Permanent) Ex level General Rated current: 19.5 A Maximum load current: 23.5 A Ex connection data General Nominal cross section: 2.5 mm² Rated cross section AWG: 14 Connection capacity rigid: 0.08 mm² ... 4 mm² Connection capacity AWG: 28 ... 12 28 ... 14 Connection capacity flexible: 0.08 mm² ... 2.5 mm² output: (Permanent) Ex level Level 1 Contact resistance: 1.25 mÃ© output: (Permanent) Ex level Level 2 Contact resistance: 0.83 mÃ©
Dimensions	Width: 5.2 mm End cover width: 2.2 mm Height: 78 mm Depth on NSÃ35/7,5: 55 mm Depth on NSÃ35/15: 62.5 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 Test voltage setpoint: 7.3 kV 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: NSÃ35 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 2.5 mm² / 0.7 kg 4 mm² / 0.9 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, -60Ã°C to +70Ã°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 NSÃ35/15