The Siemens SIRIUS 3RV1926-2C is a door-coupling rotary operating mechanism designed for circuit breakers of size S0, with an EMERGENCY OFF actuator in red/yellow. This is the part that lets you mount the breaker inside the enclosure while bringing the rotary handle through the door — the red/yellow color signals it's the emergency-stop point for the line.
Siemens 3RV1926-2C SIRIUS Door-Coupling Rotary Operating Mec
MPN3RV1926-2C
Siemens SIRIUS door-coupling rotary operating mechanism, EMERGENCY OFF design, for circuit breaker size S0, 3RV1926-2C, red/yellow actuator, screw fixing.
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
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Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026
Specifications
| Parameter | Value |
|---|---|
| Series | SIRIUS |
| Product designation | door-coupling rotary operating mechanism for heavy-duty operating conditions |
| Frame size | S0 |
| Parameter | Value |
|---|---|
| Height | 75mm |
| Width | 75mm |
| Depth | 78mm |
| Mounting method | screw fixing |
| Mounting position | any |
| Parameter | Value |
|---|---|
| Operating temperature | -20 ... +70°C |
| Storage temperature | -50 ... +80°C |
| Parameter | Value |
|---|---|
| Design Of The Product | EMERGENCY OFF door-coupling rotary operating mechanism |
Product details
Frequently asked questions
What replaces 3RV1926-2C?
The official successor is 3RV2926-3C. The drilling pattern changes between the two, so a panel cutout for the 3RV1926-2C will need modification to accept the new part.
Where can I buy 3RV1926-2C?
We source this phase-out part through independent distribution and quote it to order against an RFQ. Send the RFQ for current availability and pricing — no stock figures or lead-time numbers are published here.
What circuit breaker size does 3RV1926-2C fit?
It is designed for circuit breakers of size S0. Confirm your breaker is the S0 frame before ordering.
What is the operating temperature range for 3RV1926-2C?
During operation it is rated for -20 to +70 °C. Storage range is -50 to +80 °C.
MPN
3RV1926-2C