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Siemens 3RT7035-1AQ00 — Contactors

Siemens 3RT7035-1AQ00 SIRIUS Contactor, S2, 3-pole, AC-3 690

MPN3RT7035-1AQ00

Siemens SIRIUS 3RT7035-1AQ00, size S2, 3-pole contactor, AC-3 rated 690 V, screw-type terminals, IP20 front, 55 mm wide.

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

3RT7035-1AQ00 — Identification
ParameterValue
Contactor frame sizeS2
3RT7035-1AQ00 — Ratings & Performance
ParameterValue
Rated value @ 400 V3 A
Rated value @ 690 V1 A
Rated value @ 230 V6 A
3RT7035-1AQ00 — Control & Coil
ParameterValue
Control supply voltage typeAC
Rated value @ 50 Hz0.42
Rated value @ 50 Hz380 V
3RT7035-1AQ00 — Contacts & Poles
ParameterValue
Main poles3
Main NO contacts3
Auxiliary contact reliabilityacceptability for PLC control (17 V, 5 mA)
3RT7035-1AQ00 — Protection & Coordination
ParameterValue
Short-circuit coordination type 1, fusegL/gG NH 3NA: 125 A
Short-circuit coordination type 2, fusegL/gG NH 3NA: 80 A
Aux. switch short-circuit protection, fusefuse gL/gG: 10 A
3RT7035-1AQ00 — Connection & Mounting
ParameterValue
Main circuit connectionscrew-type terminals
Aux. / control circuit connectionscrew-type terminals
Conductor cross-section, solid or stranded2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 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 DIN rail according to DIN EN 50022
Side-by-side mountingYes
3RT7035-1AQ00 — Environmental
ParameterValue
Operating temperature range-10 ... +55 °C
Storage temperature range-25 ... +70 °C
Installation altitude, max.2 000 m
3RT7035-1AQ00 — Mechanical
ParameterValue
Width55 mm
Height112 mm
Depth115 mm

Product details

Side-by-side mounting is allowed, which helps when packing multiple contactors in a row on the rail. At 55 mm wide, it's the S2 footprint, so it'll drop into the same DIN space as other S2 devices without re-drilling the gland plate. Main and auxiliary/control circuits both use screw-type terminals. Wire range accepts 2x (0.5 to 1.5 mm²) solid or stranded, or 2x (0.75 to 2.5 mm²) with ferrules. For a panel builder, that means you can land two conductors per clamp — handy for daisy-chaining control voltage.

The mechanical switching frequency is 800 operations per hour under AC-3, 250 under AC-4 (plugging/reversing). That's enough for most conveyor or pump cycles; if you're doing high-speed jogging, you'll want to check the thermal curve. For short-circuit coordination, the evidence lists two fuse requirements: Type 2 coordination needs an 80 A gL/gG NH 3NA fuse; Type 1 needs a 125 A. That's the selectivity target for the upstream protection device — don't undersize it if you're aiming for Type 2 (no damage to the contactor after a fault). Auxiliary contacts are rated for PLC-level signals — the evidence calls out acceptability for PLC control at 17 V, 5 mA. That means the contacts are gold-flashed or otherwise treated to switch dry logic levels without oxidation issues. If you're feeding a 24 VDC PLC input, this contactor won't give you intermittent signals from contact film. Coil power: 0.78 W closing, 0.42 W holding at DC. That's a low hold-in power, which keeps the heat rise down inside a crowded panel. The magnet coil is DC-operated, so verify your control voltage polarity and suppression if you're paralleling with inductive loads.

Operating temperature range is -10 to +55 °C; storage from -25 to +70 °C. Shock resistance is 15g for 5 ms and 8g for 10 ms on the sine pulse — enough for most machine-mounted applications unless you're near a stamping press.

Frequently asked questions

What are the key dimensions for panel layout?

Width is 55 mm, height 112 mm, depth 115 mm. It's a size S2 contactor. Mounts on 35 mm DIN rail, and side-by-side mounting is permitted.

What fuse coordination is required?

For Type 2 coordination (no damage after fault), use an 80 A gL/gG NH 3NA fuse. For Type 1 coordination (allow contactor replacement after fault), use a 125 A gL/gG NH 3NA fuse.

Can the auxiliary contacts switch PLC-level signals?

Yes. The evidence states the auxiliary contacts are rated for PLC control at 17 V, 5 mA. That means they are designed for dry logic-level switching without contact oxidation issues.

MPN
3RT7035-1AQ00