3038710 PHOENIX CONTACT - Technology Bsa

ST 2,5-3L BU - Multi-level terminal block

Multi-level terminal block, nom. voltage: 500 V, nominal current: 20 A, number of connections: 6, connection method: Spring-cage connection, 1st, 2nd and 3rd level, Rated cross section: 2.5 mm², cross section: 0.08 mm²-4 mm², mounting type: NS 35/7,5, NS35/15, color: blue

Cod. Articolo: 3038710

Cod. Fornitore: 3038710

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Product properties	Product type: Multi-level terminal block Number of connections: 6 Number of rows: 3 Potentials: 3 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, 2nd and 3rd 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: 20 A Maximum load current: 28 A (with 4Ãmm² conductor cross section) Nominal voltage: 500 V Nominal cross section: 2.5 mm²
Dimensions	Width: 5.2 mm End cover width: 2.2 mm Height: 99.5 mm Depth on NSÃ35/7,5: 58 mm Depth on NSÃ35/15: 65.5 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: 7.3 kV Result: Test passed Temperature-rise test Requirement temperature-rise test: Increase in temperature Ã¢Ã¢°¤Ã45ÃK 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 Ambient conditions 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