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The Siemens 3VA9473-0JJ23 is a wire connector accessory designed for use with 3VA5 and 3VA6 series circuit breakers rated for 400/600A.
This accessory supports both copper and aluminum stranded conductors, with a minimum connectable cross-section of 70 mm² and a maximum of 300 mm². The stripped length required for connection is specified as 31 mm to 58.5 mm according to IEC standards. For copper cables, the tightening torque is 50.8 Nm for stranded and 42 Nm for finely stranded conductors.
Under UL standards, the permissible temperature for connectable conductors is 75 °C. The stripped length for UL connections is 1.2 to 2.3 inches. The connectable conductor cross-section ranges from 2/0 AWG to 600 kcmil for both stranded and finely stranded copper cables, and for stranded aluminum cables. Tightening torque for copper cables under UL is 450 lb-in for both stranded and finely stranded types.
This wire connector is part of the SENTRON product brand and is designated as a circular conductor terminal.
The 3VA9473-0JJ23 is a wire connector accessory, specifically a circular conductor terminal.
It is an accessory for 3VA5/6 circuit breakers rated for 400/600A.
According to IEC, the connectable conductor cross-section for copper cable is a minimum of 70 mm² and a maximum of 300 mm².
The tightening torque for stranded copper cables according to IEC is 50.8 Nm.
The permissible temperature for connectable conductors according to UL 486A-486B is 75 °C.
According to UL, the connectable conductor cross-section for stranded aluminum cable is a minimum of 2/0 AWG and a maximum of 600 kcmil.