Skip to main content

SIRIUS 3RT2 Contactor

3172 variants · Siemens

About the SIRIUS 3RT2 Contactor

The Siemens SIRIUS 3RT2 Contactor series groups 3172 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Variants differ by arcing time, depth and height, so you can match the exact arcing time your application requires using the selection guide below.

Select a variant by

Arcing time
10 ... 10 ms · 10 ... 20 ms
Depth
97 mm · 107 mm · 130 mm · 151 mm · 152 mm · 154 mm
Height
85 mm · 102 mm · 114 mm · 140 mm
Width
45 mm · 55 mm · 60 mm · 70 mm

Variant comparison

Parameter3RT2024-1FB44-3MA03RT2026-1BM403RT2026-1FB44-3MA03RT2026-2BB443RT2028-1AC203RT2035-1KB40
Arcing time10 ... 10 ms10 ... 10 ms10 ... 10 ms10 ... 10 ms10 ... 10 ms10 ... 20 ms
Depth151 mm107 mm151 mm154 mm97 mm130 mm
Height85 mm85 mm85 mm102 mm85 mm114 mm
Width45 mm45 mm45 mm45 mm45 mm55 mm

Request a quote on any SIRIUS 3RT2 Contactor part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

Frequently asked questions

How do the Siemens SIRIUS 3RT2 Contactor variants differ?
SIRIUS 3RT2 Contactor part numbers differ by arcing time, depth, height and width. Use the selection guide above to pick by arcing time.
How many Siemens SIRIUS 3RT2 Contactor part numbers are listed?
3172 Siemens SIRIUS 3RT2 Contactor part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for Siemens SIRIUS 3RT2 Contactor?
Request a quote (RFQ) for any SIRIUS 3RT2 Contactor part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.

All variants