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PTTB 2,5 OG - Double-level terminal block

Double-level terminal block, nom. voltage: 500 V, nominal current: 22 A, connection method: Push-in connection, 1st and 2nd level, Rated cross section: 2.5 mm², cross section: 0.14 mm² - 4 mm², mounting type: NS 35/7,5, NS35/15, color: orange

Product Code: 3210568

Partner cod.: 3210568

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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: 0.77 W
Connection data	Number of connections per level: 2 Nominal cross section: 2.5 mm² Rated cross section AWG: 12 1st and 2nd level Stripping length: 8 mm ... 10 mm Internal cylindrical gage: A4 Connection in acc. with standard: IEC 60947-7-1 Conductor cross section rigid: 0.14 mm² ... 4 mm² Cross section AWG: 26 ... 12 (converted acc. to IEC) Conductor cross section flexible: 0.14 mm² ... 4 mm² Conductor cross section, flexible [AWG]: 26 ... 12 (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 Conductor cross-section flexible (2 conductors with the same cross-section, with TWIN ferrule and plastic sleeve): 0.5 mm² 2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve: 0.5 mm² Nominal current: 22 A (with 2.5 mm² conductor connection cross section) Maximum load current: 26 A (with 4mm² conductor cross section, rigid) Nominal voltage: 500 V Nominal cross section: 2.5 mm² 1st and 2nd level Connection cross sections directly pluggable Conductor cross section rigid: 0.34 mm² ... 4 mm² Conductor cross-section flexible (ferrule without plastic sleeve): 0.34 mm² ... 2.5 mm² Flexible conductor cross section (ferrule with plastic sleeve): 0.34 mm² ... 2.5 mm²
Ex data	Rated data (ATEX/IECEx) Identification: Ã¯ II2GEx eb IIC Gb Operating temperature range: -60°C ... 110°C Ex-certified accessories: 3211634 D-PTTB 2,5 3030747 ATP-STTB 4 1204517 SZF 1-0,6X3,5 3022276 CLIPFIX 35-5 3022218 CLIPFIX 35 List of bridges: Plug-in bridge/FBS 2-5/3030161 Plug-in bridge/FBS 3-5/3030174 Plug-in bridge/FBS 4-5/3030187 Plug-in bridge/FBS 5-5/3030190 Plug-in bridge/FBS 10-5/3030213 Plug-in bridge/FBS 20-5/3030226 Plug-in bridge/FBS 50-5/3038930 Bridge data: 16 A/2.5 mm² Ex temperature increase: 40 K (18A/2.5mm²) Rated voltage: 440 V for bridging with bridge: 440 V - At bridging between non-adjacent terminal blocks: 352 V - At cut-to-length bridging: 166 V - At cut-to-length bridging with cover: 352 V - At cut-to-length bridging with partition plate: 440 V Rated insulation voltage: 400 V output: (Permanent) Ex level General Rated current: 18 A Maximum load current: 22 A Ex connection data General Nominal cross section: 2.5 mm² Rated cross section AWG: 14 Connection capacity rigid: 0.14 mm² ... 4 mm² Connection capacity AWG: 26 ... 12 26 ... 14 Connection capacity flexible: 0.14 mm² ... 2.5 mm² output: (Permanent) Ex level Level 1 Contact resistance: 1.2 mÃ© output: (Permanent) Ex level Level 2 Contact resistance: 0.92 mÃ©
Dimensions	Width: 5.2 mm End cover width: 2.2 mm Height: 68 mm Depth: 45.8 mm Depth on NS35/7,5: 47.5 mm Depth on NS35/15: 55 mm
Material specifications	Color: orange Flammability rating according to UL 94: V0 Insulating material group: I Insulating material: PA Static insulating material application in cold: -60°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 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 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