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 SENTRON wire connector, part number 3VA9244-0JC22, is an accessory designed for use with 3VA6 150/250 series circuit breakers. It facilitates connections for both copper and aluminum stranded conductors, accommodating a wide range of sizes.
According to IEC standards, the connector supports stranded and finely stranded copper or aluminum cables with cross-sections ranging from a minimum of 25 mm² to a maximum of 150 mm². The required stripped length for these connections is between 26 and 51 mm, with a tightening torque of 31.1 Nm specified for copper cables.
Under UL standards (UL 486A-486B), the connector is rated for a permissible conductor temperature of 75 °C. It accepts stranded and finely stranded copper or aluminum conductors from a minimum of 4 AWG up to 300 kcmil. The stripped length for UL connections is 1.0 to 2.0 inches, and the tightening torque for copper cables is 275 lb-in.
This wire connector is identified by the designation TA2.3 and is suitable for applications requiring secure and compliant electrical connections within the specified parameters.
The Siemens 3VA9244-0JC22 supports copper or aluminum stranded conductors with cross-sections from 25 mm² to 150 mm².
Under UL standards, the 3VA9244-0JC22 supports copper or aluminum stranded conductors up to 300 kcmil.
The permissible temperature for connectable conductors according to UL 486A-486B is 75 °C.
The required stripped length for copper cables is 26 to 51 mm.
The tightening torque for stranded copper cables from 25 to 150 mm² is 31.1 Nm.
