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Phoenix Contact 3038053
AllConnectorsTerminal blocksSpring-cage connection
Phoenix ContactOfficial Distributor

By Phoenix Contact

SKU
MPN
STI 2,5-1PE/3L/1NT
Weight
0.04 kg
This product is Not Cancellable/Not Returnable
Series STI

STI 2,5-1PE/3L/1NT - Installation ground terminal block

Installation ground terminal block, Assembly instructions:For secure fastening of the neutral busbar, supports must be set at the beginning and end of each terminal strip as well as every 20 cm on longer terminal strips., nom. voltage: 400 V, nominal current: 24 A, Spring-cage connection, 1st, 2nd and 3rd level, Rated cross section: 2.5 mm2, cross section: 0.08 mm2 - 4 mm2, Rated cross section: 2.5 mm2, mounting type: NS 35/7,5, NS 35/15, color: gray

Technical Specifications

Notes

GeneralAssembly instructions:For secure fastening of the neutral busbar, supports must be set at the beginning and end of each terminal strip as well as every 20 cm on longer terminal strips.

Product properties

Number of Connections8
Number of rows3
Potentials2

Insulation characteristics

Overvoltage categoryIII
Degree of pollution3

Electrical properties

Rated surge voltage4 kV
Maximum power dissipation for nominal condition0.77 W
Current carrying capacity of the neutral busbar140 A

Connection data

Grounding footYes
Number of connections per level6
Nominal cross section2.5 mm²

1st, 2nd and 3rd level

NotePlease observe the current carrying capacity of the DIN rails.
Stripping length10 mm
Internal cylindrical gageA3
Connection in acc. with standardIEC 60947-7-1/IEC 60947-7-2
Conductor cross section rigid0.08 mm² ... 4 mm²
Cross section AWG28 ... 12 (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 ... 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 sleeve0.5 mm²
Nominal Current24 A
Maximum Load Current20 A (with 4 mm² conductor cross section)
Nominal Voltage400 V (phase conductor/phase conductor)
Nominal Voltage250 V (phase conductor/PE)
Nominal Voltage250 V (phase conductor/N)
Nominal cross section2.5 mm²
Nominal cross section2.5 mm²

Dimensions

Width15.6 mm
End cover width2.2 mm

Material specifications

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

Open side panelYes

Ambient conditions

Ambient Temperature (Operation)-60 °C ... 105 °C (max. short-term operating temperature 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
Permissible humidity (storage/transport)30 % ... 70 %

Standards and Regulations

Connection in acc. with standardIEC 60947-7-1/IEC 60947-7-2

Mounting

Mounting TypeNS 35/7,5
Mounting TypeNS 35/15
Accessories
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    FBS 2-5 - Plug-in bridge, pitch: 5.2 mm, number of positions: 2, length: 23 mm, color: red
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    FBSR 4-5 - Plug-in bridge, pitch: 5.2 mm, number of positions: 4, color: red
  • Phoenix Contact3001593
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    FBSR 5-5 - Plug-in bridge, pitch: 5.2 mm, number of positions: 5, color: red
  • Phoenix Contact3033710
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  • Phoenix Contact3036877
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    FBS 2-5 BU - Plug-in bridge, pitch: 5.2 mm, number of positions: 2, color: blue
  • Phoenix Contact3036880
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    FBS 3-5 BU - Plug-in bridge, pitch: 5.2 mm, number of positions: 3, color: blue
  • Phoenix Contact3036893
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    FBS 4-5 BU - Plug-in bridge, pitch: 5.2 mm, number of positions: 4, color: blue
  • Phoenix Contact3036903
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    FBS 10-5 BU - Plug-in bridge, pitch: 5.2 mm, number of positions: 10, color: blue
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    Marker for terminal blocks - UC-TMF 5
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    MPS-IH WH - Insulating sleeve, color: white
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    MPS-IH RD - Insulating sleeve, color: red
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    MPS-IH BU - Insulating sleeve, color: blue
  • Phoenix Contact0201692
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    MPS-IH YE - Insulating sleeve, color: yellow
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    MPS-IH GN - Insulating sleeve, color: green
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Why Proax for Phoenix Contact 3038053?

Proax is an authorized distributor of Phoenix Contact 3038053 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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Short Lead Time
Highly Trained Staff
Live Chat
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60+ Years Experience
Additional Information
Pack Size15
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