Industrial Automation
STTB 2,5/2P - Double-level terminal block


Notes | General: Current and voltage are determined by the plug used. |
Product properties | Product type: Plug-in terminal block Area of application: Railway industry Machine building Plant engineering 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 connection left Stripping length: 8 mm ... 10 mm Internal cylindrical gage: A3 Connection in acc. with standard: IEC 61984 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: 22 A (with 4Ãmm² conductor cross section) Nominal voltage: 500 V Nominal cross section: 2.5 mm² |
Dimensions | Dimensional drawing: https://dam-mdc.phoenixcontact.com/rendition/156443151564/52002a5b5f835d49a15b92253cc81e24/-S204x204-FJPG Width: 5.2 mm End cover width: 2.2 mm Height: 71.5 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)): 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: 7.3 kV Result: Test passed Short-time withstand current 2.5 mm²: 0.3 kA Power-frequency withstand voltage Test voltage setpoint: 1.89 kV Result: Test passed |
Mechanical properties | Mechanical data Open side panel: Yes |
Mechanical tests | Attachment on the carrier DIN rail/fixing support: NSÃ35 Test force setpoint: 1 N Result: Test passed |
Environmental and real-life conditions | Needle-flame test Time of exposure: 30 s Result: Test passed Oscillation/broadband noise Specification: DINÃENÃ50155 (VDEÃ0115-200):2008-03 Spectrum: Service life test categoryÃ1, classÃB, body mounted Frequency: f1 = 5 Hz to f2 = 150 Hz ASD level: 0.964 (m/s²)²/Hz Acceleration: 0.58g 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: 5g Shock duration: 30Ãms 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 (max. operating temperature see derating curve) 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 61984 |
Mounting | Mounting type: NSÃ35/15 NS 35/7,5 |
Description other products