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The Siemens 3VA9473-0JA13 is a SENTRON series box terminal accessory, specifically designated for use with 3VA5 and 3VA6 series circuit breakers rated for 400/600A.
This terminal block accessory facilitates electrical connections for copper cables. According to IEC standards, it accommodates stranded conductors with cross-sections ranging from a minimum of 35 mm² to a maximum of 300 mm², with a stripped length of 26.5 mm. Tightening torques vary based on conductor size, specified as 16 Nm for 35-95 mm² and 28 Nm for 120-300 mm² stranded cables. For finely stranded cables, the torques are 16 Nm for 35-95 mm² and 28 Nm for 120-240 mm².
Under UL standards, the terminal block accepts stranded and finely stranded copper cables from a minimum of 1/0 AWG to a maximum of 500 kcmil. 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 is supplied in a package of 3 pieces.
The maximum conductor cross-section supported by IEC standards is 300 mm² for stranded copper cable.
The minimum conductor cross-section supported by UL standards is 1/0 AWG for stranded and finely stranded copper cable.
The tightening torque for stranded copper cables between 35-95 mm² under IEC is 16 Nm.
The stripped length required for connections according to UL standards is 1.05 inches.
This terminal block accessory is compatible with 3VA5/6 400/600 circuit breakers.
The Moisture Sensitivity Level (MSL) is 1 Unlimited.