3037802 PHOENIX CONTACT -

ST 2,5-MT-MGY - Knife-disconnect terminal block

Knife-disconnect terminal block, Disconnect knife in gray, nom. voltage: 400 V, nominal current: 20 A, 1 level, connection method: Spring-cage connection, Rated cross section: 2.5 mm², cross section: 0.08 mm² - 4 mm², mounting: NS 35/7,5, NS 35/15, color: gray

Cod. Articolo: 3037802 copia - copy

Cod. Fornitore: 3037802 copia - copy

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Product properties	Product type: Disconnect terminal block Area of application: Railway industry Machine building Plant engineering Number of connections: 2 Number of rows: 1 Potentials: 1 Data management status Article revision: 02 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 1 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 (with 4 mm² conductor cross section) Maximum load current: 20 A (in case of a 4 mm² conductor cross section, the maximum load current must not be exceeded by the total current of all connected conductors.) Nominal voltage: 400 V Nominal cross section: 2.5 mm²
Dimensions	Width: 5.2 mm End cover width: 2.2 mm Height: 60.5 mm Depth on NS 35/7,5: 36.5 mm Depth on NS 35/15: 44 mm
Material specifications	Color: gray (RAL 7042) 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
Mechanical properties	Mechanical data Open side panel: Yes
Environmental and real-life conditions	Ambient conditions Ambient temperature (operation): -60 °C ... 110 °C (Operating temperature range incl. self-heating; for max. short-term operating temperature, see RTI Elec.) Ambient temperature (storage/transport): -25 °C ... 60 °C (for a short time, not exceeding 24 h, -60 °C to +70 °C) Ambient temperature (assembly): -5 °C ... 70 °C Ambient temperature (actuation): -5 °C ... 70 °C Permissible humidity (operation): 20 % ... 90 % 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 NS 35/15