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This Siemens SENTRON wire connector, part number 3VA9233-0JB12, is an accessory designed for the 3VA5 250 circuit breaker series. It facilitates electrical connections for various conductor types and sizes.
According to IEC standards, this connector is suitable for stranded copper cables ranging from a minimum of 16 mm² to a maximum of 185 mm². For solid aluminum cables, it accommodates a minimum of 16 mm² up to a maximum of 16 mm². For stranded aluminum cables, the range is from 16 mm² to 185 mm².
UL specifications indicate compatibility with stranded copper cables from 6 AWG to 350 kcmil, and finely stranded copper cables from 6 AWG to 350 kcmil. Similarly, for aluminum cables, it supports stranded conductors from 6 AWG to 350 kcmil.
Tightening torque specifications are provided for copper cables under both IEC and UL standards, varying based on conductor size and type. The permissible temperature for connectable conductors according to UL 486A-486B is 75 °C.
According to IEC standards, this connector supports stranded copper and aluminum cables from 16 mm² to 185 mm², and solid aluminum cables from 16 mm² to 16 mm².
According to UL standards, this connector supports stranded and finely stranded copper cables from 6 AWG to 350 kcmil, and stranded aluminum cables from 6 AWG to 350 kcmil.
The permissible temperature for connectable conductors according to UL 486A-486B is 75 °C.
The stripped length requirement is 20 mm for IEC connections and 0.8 inches for UL connections.
For IEC connections, tightening torque for solid 16 mm² is 15.8 Nm, for stranded 16-35 mm² is 15.8 Nm, and for stranded 50-185 mm² is 31.1 Nm. For UL connections, torque for stranded 6-2 AWG is 140 lb-in, and for 1 AWG - 350 kcmil is 275 lb-in.
The product designation is accessories, specifically a wire connector with terminal designation TA1.4.