3VA9143-0JA12
Siemens
The Siemens 3VA9143-0JA12 is a terminal block accessory designed for use with 3VA6 150/250 circuit breakers. It offers versatile connection options compliant with both IEC and UL standards.
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This Siemens 3VA9243-0JB12 is a wire connector accessory, specifically a terminal block, intended for use with the 3VA6 150/250 series circuit breakers. It facilitates secure electrical connections for various conductor types and sizes.
The connector supports copper and aluminum cables, with stranded and solid configurations. According to IEC standards, connectable conductor cross-sections range from a minimum of 16 mm² to a maximum of 185 mm². Tightening torques for copper cables vary based on conductor size and type, ranging from 15.8 Nm to 31.1 Nm.
Under UL standards, the permissible temperature for connectable conductors is 75 °C. The connectable conductor cross-section for stranded copper cable ranges from a minimum of 6 AWG to a maximum of 350 kcmil. Similarly, finely stranded copper and stranded aluminum cables are supported within this range. Tightening torques for copper cables under UL specifications range from 140 lb-in for smaller gauges to 275 lb-in for larger gauges.
This accessory is crucial for ensuring reliable and safe electrical connections in systems utilizing Siemens 3VA6 circuit breakers. Its compliance with both IEC and UL standards makes it suitable for a broad range of applications.
According to IEC standards, the Siemens 3VA9243-0JB12 supports connectable conductor cross-sections for copper cable (stranded) and aluminum cable (solid and stranded) ranging from a minimum of 16 mm² to a maximum of 185 mm².
For copper cables under IEC standards, the tightening torque is 15.8 Nm for solid 16 mm² conductors, 15.8 Nm for stranded 16-35 mm² conductors, 31.1 Nm for stranded 50-185 mm² conductors, 15.8 Nm for finely stranded 16-35 mm² conductors, and 31.1 Nm for finely stranded 50-185 mm² conductors.
According to UL standards, the Siemens 3VA9243-0JB12 supports connectable conductor cross-sections for stranded copper cable, finely stranded copper cable, and stranded aluminum cable ranging from a minimum of 6 AWG to a maximum of 350 kcmil.
The permissible temperature of the connectable conductor according to UL 486A-486B is 75 °C.
The RoHS status for the Siemens 3VA9243-0JB12 is RoHS3 Compliant.
The Moisture Sensitivity Level (MSL) for this component is 1 Unlimited.
