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Siemens 5SM3 Series

299 variants · Siemens

About the Siemens 5SM3 Series

The Siemens 5SM3 Series series groups 299 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. The listed variants share a common mounting of DIN rail (REG). Variants differ by poles, depth and width, so you can match the exact poles your application requires using the selection guide below.

Select a variant by

Poles
2 · 4
Depth
70 mm · 77 mm
Width
36 mm · 72 mm
Temp operating max
45 °C · 75 °C
Temp operating min
-40 °C · -5 °C

Shared specifications

Mounting
DIN rail (REG)

Variant comparison

Parameter5SM3315-6KK5SM3318-6KK5SM3321-45SM3415-0KK5SM3415-6KK5SM3418-0KK
Poles222222
Depth70 mm70 mm70 mm70 mm
Width36 mm36 mm72 mm36 mm
Temp operating max75 °C45 °C
Temp operating min-40 °C-5 °C

Request a quote on any Siemens 5SM3 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

All variants