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This Siemens 3VA9144-0JK11 is a circular conductor terminal accessory, specifically a wire connector, designed for use with 3VA6 150/250A circuit breakers. It facilitates connections for copper cables, supporting solid, stranded, and finely stranded conductors.
The connector is specified for a stripped length of 18 mm according to IEC standards and 0.7 inches according to UL standards. It accommodates a wide range of conductor cross-sections, from a minimum of 14 AWG for solid and stranded/finely stranded copper cables, up to a maximum of 10 AWG for solid cables and 1/0 AWG for stranded and finely stranded cables.
Tightening torque specifications are provided for various conductor types and sizes, ranging from 55 lb-in for solid 14-10 AWG to 120 lb-in for stranded/finely stranded 1 AWG - 1/0 AWG. The permissible temperature for connectable conductors according to UL 486A-486B is 90 °C.
This accessory is part of the SENTRON product brand from Siemens, offering reliable connectivity solutions for electrical installations.
The permissible temperature for connectable conductors according to UL 486A-486B is 90 °C.
The minimum connectable conductor cross-section for solid copper cable is 14 AWG.
The maximum connectable conductor cross-section for stranded copper cable is 1/0 AWG.
The tightening torque for solid copper cables between 14 and 10 AWG is 55 lb-in.
The stripped length required for IEC connections is 18 mm.