3VA9143-0JA12
Siemens
The Siemens 3VA9143-0JA12 is a terminal block accessory designed for use with 3VA6 150/250 circuit breakers. It offers versatile connection options compliant with both IEC and UL standards.
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This Siemens wire connector, part number 3VA9243-0JJ13, is an accessory designed to function as a terminal block. It is specifically intended for use with the 3VA6 150/250 series circuit breakers.
The connector supports a wide range of conductor sizes, accommodating both copper and aluminum cables. According to IEC standards, it can handle stranded conductors with cross-sections ranging from a minimum of 50 mm² to a maximum of 240 mm². For copper cables, the required stripped length is 30.5 mm. Tightening torques are specified as 31.1 Nm for both stranded and finely stranded copper cables in the 50-150 mm² range.
Under UL standards, the permissible temperature for connectable conductors is 75 °C. The stripped length requirement is 1.2 inches. The conductor cross-section range extends from a minimum of 2 AWG to a maximum of 350 kcmil for copper (stranded and finely stranded) and aluminum (stranded) cables. Tightening torques for these UL-specified ranges are 275 lb-in for both stranded and finely stranded copper cables.
This accessory is part of the SENTRON product line from Siemens, known for its electrical components. The product designation is 'accessories' with a product version of 'circular conductor terminal'.
The maximum connectable conductor cross-section for copper or aluminum stranded cable according to IEC standards is 240 mm².
The tightening torque for stranded or finely stranded copper cables between 50-150 mm² is 31.1 Nm.
The permissible temperature for connectable conductors according to UL 486A-486B is 75 °C.
The maximum connectable conductor cross-section for copper (stranded, finely stranded) or aluminum stranded cable according to UL standards is 350 kcmil.
The accessory type is a Terminal Block.
It is designed for use with 3VA6 150/250 circuit breakers.
