Siemens 5SJ6 Retail line MCB, 1-pole, 6kA breaking capacity, 63A rated, B characteristic, order code 5SJ6163-6RC.
The Siemens 5SJ6163-6RC is a 1-pole miniature circuit breaker from the 5SJ6 Retail line, rated 63A with a B tripping characteristic and a 6kA breaking capacity. The 6kA interrupting rating at 230/400 V covers most commercial panel secondary faults without cascading upstream. Snap-on DIN rail mount, standard 1-module width.
It is a 1-pole MCB rated 63A with a B characteristic (trips at 3–5× In) and a 6kA breaking capacity, suitable for branch-circuit protection in commercial and light industrial panels.
Sourced and quoted to order against an RFQ through independent distribution — availability and current pricing are confirmed at quote time.
Alternative models and sibling configurations in the same Siemens series. For obsolete or discontinued parts, these models can serve as compatible replacements or functional alternatives for plant maintenance.
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