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Phoenix ContactOfficial Distributor

By Phoenix Contact

SKU
MPN
ST 4-HEDI BU
Weight
0.015 kg
This product is Not Cancellable/Not Returnable

ST 4-HEDI BU - Lever-type disconnect terminal block

Lever-type disconnect terminal block, nom. voltage: 500 V, nominal current: 20 A, number of connections: 2, connection method: Spring-cage connection, Rated cross section: 2.5 mm2, cross section: 0.08 mm2 - 6 mm2, mounting type: NS 35/7,5, NS 35/15, color: blue

Technical Specifications

Product properties

Number of Connections2
Number of rows1
Potentials1

Insulation characteristics

Overvoltage categoryIII
Degree of pollution3

Electrical properties

Rated surge voltage4 kV
Maximum power dissipation for nominal condition1.02 W

Connection data

Number of connections per level2
Nominal cross section4 mm²

Level 1

Stripping length8 mm ... 10 mm
Internal cylindrical gageA4
Connection in acc. with standardIEC 60947-7-1
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
Nominal cross section2.5 mm²

Dimensions

Width6.2 mm
Height61.5 mm
Depth on NS 35/7,562.5 mm
Depth on NS 35/1570 mm

Material specifications

Colorblue
Flammability rating according to UL 94V0
Insulating material groupI
Insulating materialPA
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) 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

Mechanical data

Open side panelNo

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, no longer than 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 standardIEC 60947-7-1

Mounting

Mounting TypeNS 35/7,5
Mounting TypeNS 35/15
Accessories

Why Proax for Phoenix Contact 3035221?

Proax is an authorized distributor of Phoenix Contact 3035221 and one of Phoenix Contact's largest distributors in North America. Our highly skilled in-house technical team is ready to assist with any technical needs.

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Additional Information

Pack Size50
Recommended
Sold in quantities of 50

Available for order

Phoenix Contact Availability