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Siemens 3RT2036-1AH20 — Contactors

Siemens 3RT2036-1AH20 SIRIUS Power Contactor, 52 A AC-3, 480

MPN3RT2036-1AH20
Active

Siemens SIRIUS power contactor, size S2, 3RT2036-1AH20, 52 A AC-3 at 480 V, 10 hp at 230 V, screw-type coil terminals, screw and snap-on mounting on 35 mm DIN rail.

Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

3RT2036-1AH20 — Identification
ParameterValue
Contactor frame sizeS2
3RT2036-1AH20 — Ratings & Performance
ParameterValue
Rated operational current, AC-12, max.10 A
Rated operational current, AC-4 @ 400 V41 A
Rated value @ 400 V3 A
Rated value @ 500 V2 A
Rated value @ 690 V1 A
Rated value @ 230 V10 hp
Rated value @ 24 V10 A
Rated value @ 60 V2 A
Rated value @ 110 V1 A
Rated value @ 220 V0.3 A
3RT2036-1AH20 — Control & Coil
ParameterValue
Control supply voltage typeAC
Rated value @ 50 Hz0.36
Rated value @ 50 Hz48 V
3RT2036-1AH20 — Contacts & Poles
ParameterValue
Main poles3
Main NO contacts3
Auxiliary contact reliability1 faulty switching per 100 million (17 V, 1 mA)
3RT2036-1AH20 — Protection & Coordination
ParameterValue
Short-circuit coordination type 1, fusegG: 160 A (690 V, 100 kA), aM: 80 A (690 V, 100 kA), BS88: 125 A (415 V, 80 kA)
Short-circuit coordination type 2, fusegG: 80A (690V,100kA), aM: 50A (690V,100kA), BS88: 63A (415V,80kA)
Aux. switch short-circuit protection, fusegG: 10 A (500 V, 1 kA)
3RT2036-1AH20 — 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 60715
Side-by-side mountingYes
3RT2036-1AH20 — Durability
ParameterValue
Durability (operating cycles, typ.)10 000 000
Durability with aux. switch block (cycles, typ.)10 000 000
3RT2036-1AH20 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
Storage temperature range-55 ... +80 °C
Installation altitude, max.2 000 m
3RT2036-1AH20 — Mechanical
ParameterValue
Width55 mm
Height114 mm
Depth130 mm
3RT2036-1AH20 — Specifications
ParameterValue
At AC10 ... 18 ms

Product details

SIRIUS S2 power contactor — 52 A AC-3 at 480 V

The Siemens SIRIUS 3RT2036-1AH20 is a size S2 power contactor rated for 52 A in AC-3 duty at 480 V, making it a direct fit for switching three-phase motor loads up to that current in 480 V distribution.

Thermal and mechanical endurance

Rated for 10 million mechanical operations typical. Maximum switching frequency at AC-3 is 800 1/h, at AC-4 it drops to 250 1/h — the AC-4 figure governs applications with frequent inching or plugging.

Frequently asked questions

Where can I buy 3RT2036-1AH20?

This part is sourced to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time; submit an RFQ for a firm commitment.

What is the AC-3 motor rating of 3RT2036-1AH20?

52 A at 480 V AC-3, and 10 hp at 230 V.

Does 3RT2036-1AH20 mount on a standard DIN rail?

Yes, screw and snap-on mounting onto 35 mm DIN rail per DIN EN 60715.

MPN
3RT2036-1AH20