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Siemens 3RT1926-2FJ31 — Contactors

Siemens 3RT1926-2FJ31 SIRIUS Aux Switch, 5-100s ON-Delay

MPN3RT1926-2FJ31
Active

Siemens SIRIUS auxiliary switch 3RT1926-2FJ31, adjustable ON-delay 5 … 100 s, clip-on mounting, 3 A max, 73 x 33 x 46 mm.

$33.40Ref. price · indicative, final on quote
Siemens 3RT1926-2FJ31 datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

3RT1926-2FJ31 — Control & Coil
ParameterValue
Control supply voltage typeAC/DC
Rated value @ 50 Hz24 V
3RT1926-2FJ31 — Connection & Mounting
ParameterValue
Conductor cross-section, solid18 ... 14
Conductor cross-section, finely stranded w/ ferrule0.5 ... 2.5 m²
Mounting methodclip-on
3RT1926-2FJ31 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
Storage temperature range-40 ... +85 °C
Installation altitude, max.2 000 m
3RT1926-2FJ31 — Mechanical
ParameterValue
Width33 mm
Height46 mm
Depth73 mm

Product details

Auxiliary Switch with Adjustable ON-Delay

The Siemens 3RT1926-2FJ31 is a SIRIUS auxiliary switch with an adjustable ON-delay that can be set between 5 and 100 s. It is designed for control circuits that need a delayed signal after the operating coil is energized — common in star-delta transitions, sequential start delays, or ventilation interlocks. Recovery time is 150 ms; minimum ON period is 200 ms.

Mounts via clip-on fastening in any orientation. Wire termination accepts 18–14 AWG solid or stranded conductors. Dimensions (73 mm deep, 33 mm wide, 46 mm high) fit standard panel layouts.

Frequently asked questions

What are the key time settings for this auxiliary switch?

It offers an adjustable ON-delay from 5 to 100 s, with a recovery time of 150 ms and a minimum ON period of 200 ms.

How is this switch mounted and what are the environmental limits?

Clip-on mounting in any position; operating temperature -25…+60 °C. Storage and transport range is -40…+85 °C.

MPN
3RT1926-2FJ31