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Siemens 3RT1035-3AN20 — Contactors

Siemens 3RT1035-3AN20 SIRIUS Power Contactor, 22 kW at 500 V

MPN3RT1035-3AN20

Siemens SIRIUS 3RT1035-3AN20 power contactor, Size S2, screw-type terminals, 55 mm width, 22 kW at 500 V AC-3.

Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026

Specifications

3RT1035-3AN20 — Identification
ParameterValue
Contactor frame sizeS2
3RT1035-3AN20 — Ratings & Performance
ParameterValue
Rated operational current, AC-12, max.10 A
Rated operational current, AC-4 @ 400 V35 A
Rated value @ 400 V3 A
Rated value @ 500 V22 kW
Rated value @ 690 V11.4 kW
Rated value @ 230 V6 A
Rated value @ 24 V10 A
Rated value @ 60 V2 A
Rated value @ 110 V1 A
Rated value @ 220 V0.3 A
3RT1035-3AN20 — Control & Coil
ParameterValue
Control supply voltage typeAC
Rated value @ 50 Hz0.8 ... 1.1
Rated value @ 50 Hz220 V
3RT1035-3AN20 — Contacts & Poles
ParameterValue
Main poles3
Main NO contacts3
Auxiliary contact reliability1 faulty switching per 100 million (17 V, 1 mA)
3RT1035-3AN20 — Protection & Coordination
ParameterValue
Short-circuit coordination type 1, fusefuse gL/gG: 125 A
Short-circuit coordination type 2, fusefuse gL/gG: 63 A
Aux. switch short-circuit protection, fusefuse gL/gG: 10 A
3RT1035-3AN20 — Connection & Mounting
ParameterValue
Main circuit connectionscrew-type terminals
Aux. / control circuit connectionspring-loaded terminals
Conductor cross-section, solid2x (0.25 ... 2.5 mm²)
Conductor cross-section, solid or stranded2x (0.75 ... 16 mm²)
Conductor cross-section, finely stranded w/ ferrule2x (0.25 ... 1.5 mm²)
Mounting methodscrew and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022
Side-by-side mountingYes
3RT1035-3AN20 — Durability
ParameterValue
Durability (operating cycles, typ.)10 000 000
Durability with aux. switch block (cycles, typ.)10 000 000
3RT1035-3AN20 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
Storage temperature range-55 ... +80 °C
Installation altitude, max.2 000 m
3RT1035-3AN20 — Mechanical
ParameterValue
Width55 mm
Height112 mm
Depth115 mm
3RT1035-3AN20 — Specifications
ParameterValue
At AC7 ... 20 ms

Product details

Part in context

It is rated for 22 kW at 500 V in AC-3 duty (standard motor switching) and 18.5 kW at 400 V in AC-2 duty (slip-ring motor switching). The 690 V AC-3 rating is 11.4 kW. This is the rating that governs real motor load selection — AC-3 at the line voltage. Coil is 220 V at 50 Hz and 220 V at 60 Hz, with an operating range of 0.8...1.1 x Us at 50 Hz and 0.85...1.1 x Us at 60 Hz. The auxiliary contact block on the front carries 10 A at 24 V, 6 A at 230 V, and 3 A at 400 V — enough for a PLC input or a holding circuit.

Width is 55 mm, depth 115 mm, height 112 mm. Side-by-side mounting is permitted — no gap required for heat dissipation in standard panels, but check the AC-3 switching frequency (max 1000 cycles/h) for thermal accumulation in a tightly packed row. Pollution degree 3, so it is rated for the typical industrial panel environment. Main circuit terminals accept 2x (0.75...25 mm²) stranded or 2x (0.25...2.5 mm²) solid. Auxiliary/control terminals accept 2x (0.75...16 mm²) stranded. Screw terminals are the only termination on this variant — no spring-cage option. Front face is IP20; terminal area is IP00 (open), so finger-safe covers or terminal shrouds are needed if the panel is live during access.

Frequently asked questions

What is the closest functional second-source — 3RT1036-1AB00?

The 3RT1036-1AB00 is a larger Size S3 contactor with higher ratings. It will not drop into a panel wired for the S2 3RT1035-3AN20 without rewiring and checking the DIN rail space — the S3 is physically larger. For a direct fit, stay within the S2 frame.

What are the key motor power ratings for this contactor?

AC-3 motor power is 22 kW at 500 V, 18.5 kW at 400 V in AC-2, and 11.4 kW at 690 V AC-3. The AC-3 rating at the line voltage is the one that governs motor selection.

What compliance documentation does this brand provide for 3RT1035-3AN20?

The product carries the SIRIUS brand from Siemens. As a current-production IEC contactor, it is designed to meet applicable standards (IEC 60947, UL, CSA) but specific documentation (RoHS, REACH, UL certificate) should be requested with an RFQ.

MPN
3RT1035-3AN20