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Siemens 3RT1035-1AD04 — Contactors

Siemens 3RT1035-1AD04 SIRIUS Power Contactor, S2 Frame, 18.5

MPN3RT1035-1AD04

Siemens SIRIUS power contactor, S2 frame, 3RT1035-1AD04, 18.5 kW at AC-2 400 V, 35 A AC-4, screw terminals, snap-on DIN rail mounting.

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

3RT1035-1AD04 — Identification
ParameterValue
Contactor frame sizeS2
3RT1035-1AD04 — 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
3RT1035-1AD04 — Control & Coil
ParameterValue
Control supply voltage typeAC
Rated value @ 50 Hz0.8 ... 1.1
Rated value @ 50 Hz42 V
3RT1035-1AD04 — Contacts & Poles
ParameterValue
Main poles3
Main NO contacts3
Auxiliary contact reliability1 faulty switching per 100 million (17 V, 1 mA)
3RT1035-1AD04 — 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
3RT1035-1AD04 — Connection & Mounting
ParameterValue
Main circuit connectionscrew-type terminals
Aux. / control circuit connectionscrew-type terminals
Conductor cross-section, solid2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), max. 2x (0.75 ... 4 mm²)
Conductor cross-section, solid or stranded2x (0.75 ... 16 mm²)
Conductor cross-section, finely stranded w/ ferrule2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
Mounting methodscrew and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022
Side-by-side mountingYes
3RT1035-1AD04 — Durability
ParameterValue
Durability (operating cycles, typ.)10 000 000
Durability with aux. switch block (cycles, typ.)10 000 000
3RT1035-1AD04 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
Storage temperature range-55 ... +80 °C
Installation altitude, max.2 000 m
3RT1035-1AD04 — Mechanical
ParameterValue
Width55 mm
Height112 mm
Depth164 mm
3RT1035-1AD04 — Specifications
ParameterValue
At AC7 ... 20 ms

Product details

Rated 18.5 kW at AC-2 duty at 400 V, and 35 A at AC-4 at 400 V.

RoHS compliance date is noted as 05/01/2012, and the substance prohibitance date aligns with EU RoHS requirements.

Dimensions: 112 mm height, 55 mm width, 164 mm depth. Main circuit terminals accept solid wire 2x (0.5 to 1.5 mm²), 2x (0.75 to 2.5 mm²), max 2x (0.75 to 4 mm²). Side-by-side mounting permitted without derating for the thermal stack-up.

Switching performance

Arcing time 10 to 15 ms, with AC switching times of 7 to 20 ms. Mechanical life typical 10 million operations. Maximum operating rates: 1,200 cycles/hour at AC-1, 600 at AC-2, 1,000 at AC-3, 300 at AC-4. Auxiliary contact ratings: 10 A at 24 V, 6 A at 230 V, 3 A at 400 V, 2 A at 60 V, 1 A at 110 V, 0.3 A at 220 V. The 24 V rating is the one to watch for PLC-level control circuits.

Frequently asked questions

What are the key power ratings for 3RT1035-1AD04?

It is rated 18.5 kW at AC-2 duty at 400 V, and 35 A at AC-4 at 400 V. AC-2 covers slip-ring motor loads; AC-4 covers reversing and inching.

What is the depth of 3RT1035-1AD04?

The depth is 164 mm, which fits standard 200 mm deep enclosures with clearance for wiring.

Where can I buy 3RT1035-1AD04?

This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time.

MPN
3RT1035-1AD04