The 5TT5841-0: The 40 A AC rating is the headline figure — it governs resistive and motor switching within that envelope. The 230 V AC coil is standard for European-installed panels fed from a phase-to-neutral control supply. The 440 V maximum operating voltage means it can be used on 400 V three-phase systems as long as the coil gets its own 230 V feed. The 3-module width (54 mm) occupies three 18 mm DIN spaces; plan for the required spacers between units for heat dissipation — that's not optional, it's in the installation note.
Siemens 5TT5841-0 Insta Contactor, 3 NO 1 NC, 40 A AC, 230 V
MPN5TT5841-0
Active
Siemens SENTRON Insta contactor, 5TT5841-0, 3 NO + 1 NC, 40 A AC, 230 V AC coil, IP20, 3 MW units.
$109.20Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Width | 54 mm |
| Height | 90 mm |
| Depth | 71 mm |
Product details
Frequently asked questions
What are the key ratings of 5TT5841-0?
40 A operational current at AC, 230 V AC coil, maximum operating voltage 440 V, 3 NO + 1 NC contacts, IP20, 3-module-width DIN footprint (54 mm wide, 90 mm high, 71 mm deep).
MPN
5TT5841-0