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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The Siemens 3VA9243-0JC28 is a wire connector accessory, specifically a terminal block, designed for use with 2 cables. It is part of the SENTRON product line and is intended as an accessory for the 3VA6 150/250 Plug-in/Draw-out Base.
This wire connector supports both copper and aluminum stranded conductors, with a minimum cross-section of 25 mm² (4 AWG) and a maximum of 150 mm² (300 kcmil) according to IEC and UL standards, respectively. The stripped length for connections ranges from 25 to 50 mm (1.0 to 2.0 inches). Tightening torques are specified as 31 N·m for stranded and finely stranded copper cables under IEC, and 275 lb-in under UL standards.
The permissible temperature for connectable conductors according to UL 486A-486B is 75 °C. The product includes a terminal cover with probe holes for voltage testing.
This accessory is designed to facilitate secure and reliable electrical connections in systems utilizing the 3VA6 150/250 circuit breaker bases.
The terminal designation is TA2.3.
IEC: 25 to 150 mm²; UL: 4 AWG to 300 kcmil.
31 N·m (275 lb-in) for copper cables, both stranded and finely stranded.
IEC: 25 to 50 mm; UL: 1.0 to 2.0 inches.
75°C per UL 486A-486B.
For use with Siemens 3VA6 150/250 breakers.
It is a terminal block accessory.
