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Siemens 3RT2018-2AD02 — Contactors

Siemens 3RT2018-2AD02 SIRIUS Power Contactor, S00, 24 VDC, S

MPN3RT2018-2AD02
Active

Siemens SIRIUS power contactor, size S00, 24 VDC coil, spring-type terminals, 45 mm width, 73 mm depth, 70 mm height.

Siemens 3RT2018-2AD02 datasheet (PDF)
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

3RT2018-2AD02 — Identification
ParameterValue
Contactor frame sizeS00
3RT2018-2AD02 — Ratings & Performance
ParameterValue
Rated operational current, AC-12, max.10 A
Rated operational current, AC-4 @ 400 V11.5 A
Rated value @ 400 V3 A
Rated value @ 500 V2 A
Rated value @ 690 V1 A
Rated value @ 230 V2 hp
Rated value @ 24 V10 A
Rated value @ 60 V2 A
Rated value @ 110 V1 A
Rated value @ 220 V0.3 A
3RT2018-2AD02 — Control & Coil
ParameterValue
Control supply voltage typeAC
Rated value @ 50 Hz0.25
Rated value @ 50 Hz42 V
3RT2018-2AD02 — Contacts & Poles
ParameterValue
Main poles3
Main NO contacts3
Auxiliary contact reliability1 faulty switching per 100 million (17 V, 1 mA)
3RT2018-2AD02 — Protection & Coordination
ParameterValue
Short-circuit coordination type 1, fusegG: 50A (690V,100kA), aM: 25A (690V,100kA), BS88: 50A (415V,80kA)
Short-circuit coordination type 2, fusegG: 25A (690V,100kA), aM: 20A (690V,100kA), BS88: 25A (415V,80kA)
Aux. switch short-circuit protection, fusegG: 10 A (500 V, 1 kA)
3RT2018-2AD02 — Connection & Mounting
ParameterValue
Main circuit connectionspring-loaded terminals
Aux. / control circuit connectionspring-loaded terminals
Conductor cross-section, solid0.5 ... 4 mm²
Conductor cross-section, solid or stranded2x (0,5 ... 4 mm²)
Conductor cross-section, finely stranded w/ ferrule2x (0.5 ... 2.5 mm²)
Mounting methodscrew and snap-on mounting onto 35 mm DIN rail according to DIN EN 60715
Side-by-side mountingYes
3RT2018-2AD02 — Durability
ParameterValue
Durability (operating cycles, typ.)30 000 000
Durability with aux. switch block (cycles, typ.)10 000 000
3RT2018-2AD02 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
Storage temperature range-55 ... +80 °C
Installation altitude, max.2 000 m
3RT2018-2AD02 — Mechanical
ParameterValue
Width45 mm
Height70 mm
Depth73 mm
3RT2018-2AD02 — Specifications
ParameterValue
At AC4 ... 15 ms

Product details

SIRIUS size S00 contactor, 24 VDC coil, spring terminals

Wiring and mounting constraints

Mounting position: ±180° rotation on vertical surface, tilt ±22.5°. Clearances: 10 mm up, 10 mm forward, 10 mm down, 6 mm sides.

Duty-cycle ratings and mechanical life

Switching frequency depends on the duty class. AC-1 (resistive loads) allows up to 1 000 1/h. AC-2 and AC-3 (motor starting, slip-ring motors) are rated at 750 1/h. AC-4 (plugging, inching) drops to 250 1/h. AC-3e (enhanced motor rating) also permits 750 1/h. Mechanical life is typical at 30 000 000 operations — that's the contactor body, not the contacts under load. Arcing time runs 10 to 15 ms.

Frequently asked questions

What compliance documentation does this brand provide for 3RT2018-2AD02?

As a Siemens SIRIUS product, it typically carries CE, UL, CSA, and CCC certifications, and is RoHS and REACH compliant. Specific declaration documents are available on request at quote time.

MPN
3RT2018-2AD02