3VA9143-0JG11 Siemens 3VA9143-0JG11 wire connector accessory for 3VA6 150/250 circuit breakers. Supports copper conductors from 1.5 mm² to 50 mm².
Mfr Part #:

3VA9143-0JG11

Mfr Name: Siemens
Siemens
Siemens 3VA9143-0JG11 wire connector accessory for 3VA6 150/250 circuit breakers. Supports copper conductors from 1.5 mm² to 50 mm².
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3VA9143-0JG11 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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3VA9143-0JG11 Description

Short technical summary and product information.

The Siemens 3VA9143-0JG11 is a wire connector accessory designed for use with 3VA6 150/250 circuit breakers. It is part of the SENTRON product brand.

 

This connector supports a wide range of conductor cross-sections according to IEC standards, from a minimum of 1.5 mm² to a maximum of 50 mm² for stranded copper cables. It also accommodates finely stranded and solid copper cables within similar ranges. The required stripped length for IEC connections is 18 mm.

 

According to UL standards, the connector is suitable for copper cables ranging from a minimum of 14 AWG to a maximum of 1/0 AWG for stranded and finely stranded types, and up to 10 AWG for solid copper cables. For aluminum cables, it supports solid types from 12 AWG to 10 AWG, and stranded types from 12 AWG to 1/0 AWG. The permissible temperature for the connectable conductor according to UL 486A-486B is 75 °C, with a stripped length of 0.7 inches.

 

Tightening torque specifications are provided for both IEC and UL connections, varying based on conductor type and size. This accessory ensures secure and reliable electrical connections for demanding applications.

3VA9143-0JG11 Quick Information

Product Type: Wire Connector
Series: 3VA6
Canonical Name: Siemens SENTRON Wire Connector Accessory
Subcategory: Accessories

3VA9143-0JG11 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

3VA9143-0JG11 Features

  • Wire connector accessory for 3VA6 150/250.
  • Supports IEC conductors 1.5 mm² to 50 mm².
  • Supports UL conductors 14 AWG to 1/0 AWG.
  • High-temperature rating for conductors.
  • Designed for secure electrical connections.

3VA9143-0JG11 Applications

  • Connect power cables to 3VA6 circuit breakers.
  • Terminate aluminum feeder conductors in panelboards.
  • Use in industrial control panels and switchgear.
  • Suitable for copper or aluminum wire connections.
  • For use with 250A rated breakers.

3VA9143-0JG11 FAQs

7 frequently asked questions generated from this part’s specifications.
What wire sizes does this lug accept?

According to IEC: stranded copper 1.5 mm² to 50 mm². According to UL: solid copper 14–10 AWG; stranded copper 14–1/0 AWG; finely stranded copper 14–1/0 AWG; solid aluminum 12–10 AWG; stranded aluminum 12–1/0 AWG.

What is the required stripping length?

18 mm (0.7 in) per IEC and UL specifications.

What are the tightening torque values?

For copper cables: solid 1.5–10 mm²: 6.2 Nm; 16 mm²: 8.5 Nm. Stranded/finely stranded 1.5–10 mm²: 6.2 Nm; 16–35 mm²: 8.5 Nm; 50 mm²: 13.6 Nm. UL: solid 14–10 AWG: 55 lb-in; stranded 14–8 AWG: 55 lb-in; 6–2 AWG: 75 lb-in; 1–1/0 AWG: 120 lb-in.

Is this lug suitable for aluminum wire?

Yes, UL compliance allows solid aluminum from 12 AWG to 10 AWG and stranded aluminum from 12 AWG to 1/0 AWG.

What is the maximum conductor temperature rating?

75 °C per UL 486A-486B for the connectable conductor.

What UL standard applies to this lug?

UL 486A-486B, as indicated by the permissible temperature and conductor cross-section specifications.

Which circuit breaker series is this lug designed for?

The lug is designed for the Siemens 3VA6 series of circuit breakers, as stated in the product introtext.

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