3VA9143-0JB11
Siemens
Siemens 3VA9143-0JB11 wire connector accessory for 3VA6 150/250 circuit breakers. It supports a wide range of conductor sizes and tightening torques according to IEC and UL standards.
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This Siemens SENTRON wire connector, part number 3VA9244-0JJ22, is an accessory designed for the 3VA6 150/250 circuit breaker series. It functions as a circular conductor terminal, facilitating secure electrical connections.
The connector is compatible with both copper and aluminum stranded conductors, supporting a cross-sectional range from 25 mm² to 150 mm² according to IEC standards. Under UL specifications, it accommodates copper and aluminum stranded conductors from 4 AWG to 300 kcmil. Stripped lengths for IEC connections are between 26 mm and 51 mm, while UL connections require 1.0 to 2.0 inches. Tightening torques are specified as 31.1 Nm for IEC connections and 275 lb-in for UL connections when using copper cables.
The permissible temperature for connectable conductors according to UL 486A-486B is 75 °C. This accessory is suitable for applications requiring reliable termination of large gauge wires within the specified breaker series.
According to IEC standards, it supports stranded copper and aluminum conductors from 25 mm² to 150 mm². Under UL standards, it supports stranded copper and aluminum conductors from 4 AWG to 300 kcmil.
The stripped length for IEC connections is between 26 mm and 51 mm.
The tightening torque for both stranded and finely stranded copper cables from 25 mm² to 150 mm² is 31.1 Nm.
The permissible temperature for connectable conductors according to UL 486A-486B is 75 °C.
The tightening torque for both stranded and finely stranded copper cables from 4 AWG to 300 kcmil is 275 lb-in.
