Siemens SIRIUS 3RT1946-7A arc chute, 3-pole, Size S3, phased-out product, successor is SIRIUS 3RT2.
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| Datum: 03.03.2021 | Änderungen vorbehalten © Copyright Siemens 2021 |
The Siemens 3RT1946-7A is an arc chute for 3-pole contactors, sized for the S3 frame. It's a phased-out product; the official successor is the SIRIUS 3RT2 series.
For new designs or BOM replacements, the successor SIRIUS 3RT2 arc chute is the direct swap.
This arc chute mounts onto S3-frame contactors in the SIRIUS 3RT1 family. It's a replacement part for existing installations — not a new-design component.
The official successor is the SIRIUS 3RT2 arc chute. It's the direct replacement for the S3 frame.
The lifecycle stage is listed as current, but the part is explicitly marked as phased-out in the product description. The successor is the SIRIUS 3RT2 series.
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