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The Siemens 3VA9474-0JH13 is a SENTRON series box terminal accessory, specifically designed as a box terminal with a control wire tap. It is intended for use with 3VA5/6 400/600 circuit breakers.
This accessory supports connections according to both IEC and UL standards. For IEC connections, it accommodates stranded copper cables with a minimum cross-section of 35 mm² and a maximum of 300 mm², with a stripped length of 26.5 mm. Tightening torques range from 16 Nm for 35-95 mm² cables to 28 Nm for 120-300 mm² cables. For finely stranded cables, similar torque specifications apply.
Under UL standards, the terminal accepts stranded and finely stranded copper cables from 1/0 AWG minimum to 500 kcmil maximum. The stripped length is 1.05 inches. Tightening torques for stranded and finely stranded cables are 140 lb-in for 1/0-4/0 AWG and 248 lb-in for 250-500 kcmil.
This accessory comes in a package containing 4 pieces.
For stranded copper cables, the minimum connectable cross-section is 35 mm² and the maximum is 300 mm². For finely stranded cables, the range is 35-95 mm² minimum and 120-240 mm² maximum.
For stranded copper cables 35-95 mm², the torque is 16 Nm; for 120-300 mm², it is 28 Nm. For finely stranded cables 35-95 mm², the torque is 16 Nm; for 120-240 mm², it is 28 Nm.
For both stranded and finely stranded copper cables, the minimum connectable cross-section is 1/0 AWG and the maximum is 500 kcmil.
For stranded and finely stranded copper cables 1/0-4/0 AWG, the torque is 140 lb-in. For 250-500 kcmil, the torque is 248 lb-in.
The required stripped length for IEC connections is 26.5 mm.
The required stripped length for UL connections is 1.05 inches.