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Siemens 3RT2018-2AB02-ZW96 — Contactors

Siemens 3RT2018-2AB02-ZW96 SIRIUS S00 Contactor

MPN3RT2018-2AB02-ZW96
Active

Siemens SIRIUS 3RT2018-2AB02-ZW96 power contactor, Size S00, 45 mm width, spring-type terminals for main and auxiliary contacts, screw and snap-on 35 mm DIN rail mounting.

Siemens 3RT2018-2AB02-ZW96 datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

3RT2018-2AB02-ZW96 — Identification
ParameterValue
Contactor frame sizeS00
3RT2018-2AB02-ZW96 — 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
3RT2018-2AB02-ZW96 — Control & Coil
ParameterValue
Control supply voltage typeAC
Rated value @ 50 Hz0.25
Rated value @ 50 Hz24 V
3RT2018-2AB02-ZW96 — Contacts & Poles
ParameterValue
Main poles3
Main NO contacts3
Auxiliary contact reliability1 faulty switching per 100 million (17 V, 1 mA)
3RT2018-2AB02-ZW96 — 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)
3RT2018-2AB02-ZW96 — 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
3RT2018-2AB02-ZW96 — Durability
ParameterValue
Durability (operating cycles, typ.)30 000 000
Durability with aux. switch block (cycles, typ.)10 000 000
3RT2018-2AB02-ZW96 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
Storage temperature range-55 ... +80 °C
Installation altitude, max.2 000 m
3RT2018-2AB02-ZW96 — Mechanical
ParameterValue
Width45 mm
Height70 mm
Depth73 mm
3RT2018-2AB02-ZW96 — Specifications
ParameterValue
At AC4 ... 15 ms

Product details

The 3RT2018-2AB02-ZW96: At 45 mm wide, 70 mm high, and 73 mm deep, this S00 contactor fits the standard 45 mm slot in a modular panel layout — the same width as a single-pole MCB, so it aligns with the DIN rail pitch.

Duty cycle and switching frequency — picking the right operating class

The AC-3e rating at 750/h matches the standard AC-3 figure — this is a general-purpose motor switching contactor, not a high-speed application machine.

Auxiliary contacts and temperature range — what the van carries

An auxiliary switch is built in — the contact block is integrated, not a bolt-on add-on, so you do not need to hunt for a separate aux module when replacing a failed unit.

Frequently asked questions

What is the 3RT2018-2AB02-ZW96's depth for panel layout?

The depth is 73 mm from the DIN rail mounting surface to the furthest point of the contactor body.

MPN
3RT2018-2AB02-ZW96