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Siemens 3RH1 Series

992 variants · SiemensAll Contactors

About the Siemens 3RH1 Series

The Siemens 3RH1 Series series groups 992 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Variants differ by depth, height and mounting, so you can match the exact depth your application requires using the selection guide below.

Select a variant by

Depth
41.5 mm · 46 mm · 51 mm · 71 mm · 72 mm · 73 mm · 123 mm
Height
37.5 mm · 38 mm · 57.5 mm · 60 mm · 80 mm
Mounting
screw and snap-on mounting · Snap-on Mounting
Width
10 mm · 36.5 mm · 45 mm · 90 mm

Variant comparison

Parameter3RH1122-2KF403RH1122-2KF40-0LA03RH1131-2KF403RH1140-2KF403RH1431-1BF403RH1911-1FA31
Depth73 mm123 mm73 mm73 mm72 mm41.5 mm
Height60 mm60 mm60 mm60 mm57.5 mm37.5 mm
Mountingscrew and snap-on mountingscrew and snap-on mountingscrew and snap-on mountingscrew and snap-on mountingscrew and snap-on mountingSnap-on Mounting
Width45 mm45 mm45 mm45 mm90 mm36.5 mm

Request a quote on any Siemens 3RH1 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

All variants