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Siemens 3RT2326-1AH20-4AA0 — Contactors

Siemens 3RT2326-1AH20-4AA0 SIRIUS Contactor, Size S0, 45 mm

MPN3RT2326-1AH20-4AA0
Active

Siemens SIRIUS 3RT2326-1AH20-4AA0 contactor, Size S0, 45 mm width, 97 mm depth, 85 mm height, AC coil, screw-type terminals, screw and snap-on mounting onto 35 mm DIN rail per DIN EN 60715.

StockContact for availability
Lead time3-5 Days wk
MOQ1 pcs
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
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Specifications

Identification

3RT2326-1AH20-4AA0 — Identification
ParameterValue
Contactor frame sizeS0

Ratings & Performance

3RT2326-1AH20-4AA0 — Ratings & Performance
ParameterValue
Rated operational current, AC-12, max.10 A
Rated operational current, AC-4 @ 400 V7.5 kW
Rated value @ 400 V3 A
Rated value @ 500 V2 A
Rated value @ 690 V1 A
Rated value @ 230 V10 A
Rated value @ 24 V10 A
Rated value @ 60 V6 A
Rated value @ 110 V1 A
Rated value @ 220 V0.3 A

Control & Coil

3RT2326-1AH20-4AA0 — Control & Coil
ParameterValue
Control supply voltage typeAC
Rated value @ 50 Hz0.25
Rated value @ 50 Hz48 V

Contacts & Poles

3RT2326-1AH20-4AA0 — Contacts & Poles
ParameterValue
Main poles4
Main NO contacts4
Auxiliary contact reliability1 faulty switching per 100 million (17 V, 1 mA)

Protection & Coordination

3RT2326-1AH20-4AA0 — Protection & Coordination
ParameterValue
Short-circuit coordination type 1, fusegG: 80 A (690 V, 100 kA)
Short-circuit coordination type 2, fusegG: 35 A (690 V, 100 kA)
Aux. switch short-circuit protection, fusegG: 10 A (690 V, 1 kA)

Connection & Mounting

3RT2326-1AH20-4AA0 — 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)
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 60715
Side-by-side mountingYes

Durability

3RT2326-1AH20-4AA0 — Durability
ParameterValue
Durability (operating cycles, typ.)10 000 000
Durability with aux. switch block (cycles, typ.)10 000 000

Environmental

3RT2326-1AH20-4AA0 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
Storage temperature range-55 ... +80 °C
Installation altitude, max.2 000 m

Mechanical

3RT2326-1AH20-4AA0 — Mechanical
ParameterValue
Width45 mm
Height85 mm
Depth97 mm

Specifications

3RT2326-1AH20-4AA0 — Specifications
ParameterValue
At AC4 ... 16 ms

Product details

Wire termination and auxiliary contacts

The 3RT2326-1AH20-4AA0: An auxiliary switch is built in, with one instantaneous contact, and the auxiliary contact configuration for the main contacts is rated 16...8 — this covers feedback to a PLC or status indication without an add-on block.

MPN
3RT2326-1AH20-4AA0