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Siemens 3RT1926-2FK11 — Contactors

Siemens 3RT1926-2FK11 SIRIUS Auxiliary Switch, 100-127 V AC

MPN3RT1926-2FK11
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Siemens SIRIUS auxiliary switch block, 3RT1926-2FK11, clip-on mounting for 3RT1 contactors, 100-127 V AC coil, adjustable time delay 0.05-1 s, 3 A rated current.

$138.56Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

3RT1926-2FK11 — Control & Coil
ParameterValue
Control supply voltage typeAC
Rated value @ 50 Hz100 ... 127 V
3RT1926-2FK11 — Connection & Mounting
ParameterValue
Conductor cross-section, solid18 ... 14
Conductor cross-section, finely stranded w/ ferrule0.5 ... 2.5 m²
Mounting methodclip-on
3RT1926-2FK11 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
Storage temperature range-40 ... +85 °C
Installation altitude, max.2 000 m
3RT1926-2FK11 — Mechanical
ParameterValue
Width33 mm
Height46 mm
Depth73 mm

Product details

Clip-on auxiliary switch for 3RT1 contactors

The 3RT1926-2FK11: It mounts in any position on the DIN-rail assembly, occupying 33 mm width, 46 mm height, and 73 mm depth.

Time delay and contact ratings

This block provides an adjustable ON-delay from 0.05 to 1 second, with a recovery time of 150 ms before the next timing cycle can start. The minimum ON period is 200 ms, and the dropout threshold is 85% of the rated control supply voltage. The switching contacts are rated 3 A maximum, with specific ratings of 1 A at 24 V, 0.2 A at 125 V, and 0.1 A at 250 V.

Wiring and environmental limits

Storage and transport range is -40 to +85 °C.

Frequently asked questions

Where can I buy the Siemens 3RT1926-2FK11 auxiliary switch?

The 3RT1926-2FK11 is available to order against an RFQ.

What is the time delay range of 3RT1926-2FK11?

The adjustable ON-delay range is 0.05 to 1 second, with a recovery time of 150 ms and a minimum ON period of 200 ms.

Is the 3RT1926-2FK11 compatible with 3RT1 contactors?

Yes, this auxiliary switch block is designed to clip onto 3RT1 contactors in the SIRIUS family, mounting in any position on the DIN-rail assembly.

MPN
3RT1926-2FK11