
3RB3133-4UB0
Siemens
38 variants · Siemens
The Siemens Siemens 3RB31 Series series groups 38 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common mounting of Contactor mounting, operating temperature of 60 °C and trip class of CLASS 5E, 10E, 20E and 30E adjustable. Variants differ by depth, height and width, so you can match the exact depth your application requires using the selection guide below. All listed Siemens 3RB31 Series part numbers are active and orderable.
| Parameter | 3RB3133-4UB0 | 3RB3123-4VB0 | 3RB3123-4SB0 | 3RB3123-4QB0 | 3RB3123-4NB0 | 3RB3123-4RB0 |
|---|---|---|---|---|---|---|
| Depth | 104 mm | 84 mm | 84 mm | 84 mm | 84 mm | 84 mm |
| Height | 99 mm | 87 mm | 87 mm | 87 mm | 87 mm | 87 mm |
| Width | 55 mm | 45 mm | 45 mm | 45 mm | 45 mm | 45 mm |
Request a quote on any Siemens 3RB31 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

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