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Phoenix Contact 3031131
AllConnectorsTerminal blocksSpring-cage connection
Phoenix ContactOfficial Distributor

By Phoenix Contact

SKU
MPN
ST 1,5-TWIN BU
Weight
0.007 kg
This product is Not Cancellable/Not Returnable

ST 1,5-TWIN BU - Feed-through terminal block

Feed-through terminal block, nom. voltage: 500 V, nominal current: 17.5 A, number of connections: 3, connection method: Spring-cage connection, 1 level, Rated cross section: 1.5 mm2, cross section: 0.08 mm2 - 1.5 mm2, mounting type: NS 35/7,5, NS 35/15, color: blue

  • The consistent double function shaft offers every opportunity for time-saving potential distribution and accommodating test accessories
  • User-friendly implementation of all potential branching tasks
  • Tested for railway applications
  • Space-saving and practical multi-conductor connection without additional bridges
Technical Specifications

General

Number of rows1
Number of Connections3
Potentials1
Nominal cross section1.5 mm²
Colorblue
Insulating materialPA
Flammability rating according to UL 94V0
Area of applicationRailway industry
Area of applicationMachine building
Area of applicationPlant engineering
Area of applicationProcess industry
Mounting TypeNS 35/7,5
Rated surge voltage6 kV
Degree of pollution3
Overvoltage categoryIII
Insulating material groupI
Maximum power dissipation for nominal condition0.56 W
Maximum Load Current17.5 A (in case of a 1.5 mm² conductor cross section, the maximum load current must not be exceeded by the total current of all connected conductors.)
Nominal current IN17.5 A (with 1.5 mm² conductor cross section)
Nominal voltage UN500 V
Open side panelYes
Relative insulation material temperature index (Elec., UL 746 B)130 °C
Temperature index of insulation material (DIN EN 60216-1 (VDE 0304-21))125 °C
Static insulating material application in cold-60 °C
Surface flammability NFPA 130 (ASTM E 162)passed
Specific optical density of smoke NFPA 130 (ASTM E 662)passed
Calorimetric heat release NFPA 130 (ASTM E 1354)27,5 MJ/kg
Smoke gas toxicity NFPA 130 (SMP 800C)passed
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

Dimensions

Width4.2 mm
End cover width2.2 mm
Length60.5 mm
Height NS 35/7,536.5 mm
Height NS 35/1544 mm

Connection data

Connection1 level
Connection MethodSpring-cage connection
Stripping length8 mm ... 10 mm
Connection in acc. with standardIEC 60947-7-1
Conductor cross section solid min.0.08 mm²
Conductor cross section solid max.1.5 mm²
Conductor cross section AWG min.28
Conductor cross section AWG max.16
Conductor cross section flexible min.0.08 mm²
Conductor cross section flexible max.1.5 mm²
Min. AWG conductor cross section, flexible28
Max. AWG conductor cross section, flexible16
Conductor cross section flexible, with ferrule without plastic sleeve min.0.14 mm²
Conductor cross section flexible, with ferrule without plastic sleeve max.1.5 mm²
Conductor cross section flexible, with ferrule with plastic sleeve min.0.14 mm²
Conductor cross section flexible, with ferrule with plastic sleeve max.1.5 mm²
Two conductors with the same cross section, flexible, with TWIN ferrules, with plastic sleeve, maximum0.5 mm²
Internal cylindrical gageA1

Ambient conditions

Operating Temperature-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)
Permissible humidity (storage/transport)30 % ... 70 %
Ambient temperature (assembly)-5 °C ... 70 °C
Ambient temperature (actuation)-5 °C ... 70 °C

Standards and Regulations

Connection in acc. with standardIEC 60947-7-1

Environmental Product Compliance

China RoHSEnvironmentally friendly use period: unlimited = EFUP-e
China RoHSNo hazardous substances above threshold values
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    3036602 - End cover segments, large segment: 32.25 x 13.83 x 0.9, small segment: 22.65 x 11.65 x 0.9, color: gray
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    3030129 - Plug-in bridge, pitch: 4.2 mm, number of positions: 3, color: red
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    3030145 - Plug-in bridge, pitch: 4.2 mm, number of positions: 5, color: red
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    3030158 - Plug-in bridge, pitch: 4.2 mm, number of positions: 10, color: red
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  • Phoenix Contact3030130
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  • Phoenix Contact3030353
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  • Phoenix Contact3030131
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    3030131 - Plug-in bridge, pitch: 4.2 mm, number of positions: 3, color: gray
  • Phoenix Contact3030134
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    3030147 - Plug-in bridge, pitch: 4.2 mm, number of positions: 5, color: gray
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    Zack marker strip - ZB 4 :UNBEDRUCKT
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    Marker for terminal blocks - UC-TM 4
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    Zack Marker strip, flat - ZBF 4:UNBEDRUCKT
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    Zack Marker strip, flat - ZBF 4,LGS:FORTL.ZAHLEN
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    0201663 - Insulating sleeve, color: white
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    0201689 - Insulating sleeve, color: blue
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    0201692 - Insulating sleeve, color: yellow
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    0201702 - Insulating sleeve, color: green
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    0201728 - Insulating sleeve, color: gray
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  • Phoenix Contact1201413
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    1201413 - End clamps, for supporting the ends of double-level and three-level terminal blocks, width: 10 mm, color: gray

Why Proax for Phoenix Contact 3031131?

Proax is an authorized distributor of Phoenix Contact 3031131 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
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