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Phoenix Contact ST 4-HEDI BU - 3035221 - Disconnect terminal block

Technical Specifications of Disconnect terminal block ST 4-HEDI BU 3035221

BrandPhoenix Contact
Product TypeTerminal Block
ProductST 4-HEDI BU

Phoenix Contact Disconnect terminal block ST 4-HEDI BU, 3035221 Technical Specifications

SpecificationValue
Product typeDisconnect terminal block
DIN rail/fixing supportNS 35/15
Number of connections2
Number of rows1
Potentials1
Overvoltage categoryIII
Degree of pollution3
Rated surge voltage4 kV
Maximum power dissipation for nominal condition1.02 W
Number of connections per level2
Nominal cross section2.5 mm²
Stripping length8 mm ... 10 mm
Internal cylindrical gageA4
Connection in acc. with standardIEC 6094771
Conductor cross section rigid0.08 mm² ... 6 mm²
Cross section AWG28 ... 10 (converted acc. to IEC)
Conductor cross section flexible0.08 mm² ... 4 mm²
Conductor cross section, flexible [AWG]28 ... 12 (converted acc. to IEC)
Conductor cross-section flexible (ferrule without plastic sleeve)0.14 mm² ... 4 mm²
Flexible conductor cross section (ferrule with plastic sleeve)0.14 mm² ... 4 mm²
2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve0.5 mm² ... 1 mm²
Nominal current20 A (with 6 mm² conductor cross section)
Maximum load current20 A (with 6 mm² conductor cross section)
Nominal voltage500 V
Width6.2 mm
Height61.5 mm
Depth on NS 35/7,562.5 mm
Depth on NS 35/1570 mm
Colorblue (RAL 5015)
Flammability rating according to UL 94V0
Insulating material groupI
Insulating materialPA
Static insulating material application in cold60 °C
Relative insulation material temperature index (Elec., UL 746 B)130 °C
Fire protection for rail vehicles (DIN EN 45545-2) R22HL 1 HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R23HL 1 HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R24HL 1 HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R26HL 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
Open side panelNo
Ambient temperature (operation)60 °C ... 110 °C (Operating temperature range incl. selfheating; for max. shortterm 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 %
Mounting typeNS 35/7,5

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