Siemens 3RA1943-1B
MPN3RA1943-1B
Wiring kit Electrical and mechanical Complete for feeders Fuseless, Size S3 For installation on standard mounting rail Consists of wiring module Standard mounting rail adapter and side modules!!! Phased-out product!!! Successor is SIRIUS 3RA2
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026
Specifications
| Parameter | Value |
|---|---|
| Product designation | Wiring kit |
| Brand | SIRIUS |
| Product design / construction | Complete for load feeder, fuseless, S3 |
| Circuit-breaker size | S3 |
| Parameter | Value |
|---|---|
| Poles | 3 |
| Size of contactor | S3 |
| Substance prohibitance | 07/01/2006 |
MPN
3RA1943-1B