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Siemens 3RT2016-1UB42-1AA0 — Contactors

Siemens 3RT2016-1UB42-1AA0 SIRIUS Power Contactor, 9A AC-3,

MPN3RT2016-1UB42-1AA0
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Siemens SIRIUS 3RT2016-1UB42-1AA0, power contactor, AC-3e/AC-3, 9 A, 4 kW / 400 V, 3-pole, 24 V DC coil, integrated varistor, 1 NC auxiliary contact, screw terminal, size S00.

Siemens 3RT2016-1UB42-1AA0 datasheet (PDF)
StockContact for availability
Lead timeIn Stock wk
MOQ1 pcs
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
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Specifications

Specifications

3RT2016-1UB42-1AA0 — Specifications
ParameterValue
Group codeR711
Product group5330
Product classA: Standard product which is a stock item could be returned within the returns guidelines/period.
SeriesSIRIUS 3RT contactors, 3-pole, up to 250 kW
Export control regulationsAL : N / ECCN : N
Compliance with the substance restrictions according to RoHS directiveSince: 01-10-09

Product details

Integration note — SIRIUS 3RT2016-1UB42-1AA0

The Siemens 3RT2016-1UB42-1AA0 is a SIRIUS size S00 power contactor rated AC-3e/AC-3 at 9 A, switching 4 kW at 400 V across three poles. The 24 V DC coil includes an integrated varistor for suppression, so you can skip the external RC snubber in most panels. The 1 NC auxiliary contact is wired into the control circuit from the factory — useful for feedback to a safety relay or PLC input without adding a side-mount block. Screw terminals on the S00 frame accept up to 4 mm² conductors, which is adequate for the 9 A motor circuit. The upright mounting position is the standard orientation for this frame; derating curves apply if you lay it flat or crowd multiple contactors side-by-side without a 10 mm air gap.

Same part, different passport — the 3RT2016-1UB42-1AA0 ships from Siemens production globally without regional restrictions.

Frequently asked questions

What compliance documentation is available for this contactor?

RoHS compliance is confirmed since October 1, 2009. REACH Article 33 candidate-list information is available. Export control is AL: N / ECCN: N. No UL or IEC certification numbers are listed in the standard product record, but the SIRIUS series carries IEC 60947-4-1 compliance as a class.

What is the group code and product group for this part?

Group code R711, product group 5330. These are Siemens internal classification codes used for logistics and catalog sorting.

What is the closest alternative to this contactor in the SIRIUS family?

The 3RT2016-1UB42-1AA0 is a specific variant with a 24 V DC coil and integrated varistor. The closest sibling is the 3RT2016-1AB42-1AA0, which uses a 24 V AC coil instead. Pinout and footprint are identical — the only difference is the coil supply type. For DC control circuits, stick with this DC-coil variant to avoid coil burnout.

MPN
3RT2016-1UB42-1AA0