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Siemens 3RT2017-2AN21 — Contactors

Siemens 3RT2017-2AN21 SIRIUS Contactor, S00, 24 VDC coil

MPN3RT2017-2AN21
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Siemens SIRIUS 3RT2017-2AN21 power contactor, size S00, 24 VDC coil, 10 A rated operational current, spring-type terminals, screw and snap-on mounting onto 35 mm DIN rail.

Siemens 3RT2017-2AN21 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

3RT2017-2AN21 — Identification
ParameterValue
Contactor frame sizeS00
3RT2017-2AN21 — Ratings & Performance
ParameterValue
Rated operational current, AC-12, max.10 A
Rated operational current, AC-4 @ 400 V8.5 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
3RT2017-2AN21 — Control & Coil
ParameterValue
Control supply voltage typeAC
Rated value @ 50 Hz0.25
Rated value @ 50 Hz220 V
3RT2017-2AN21 — Contacts & Poles
ParameterValue
Main poles3
Main NO contacts3
Auxiliary contact reliability1 faulty switching per 100 million (17 V, 1 mA)
3RT2017-2AN21 — Protection & Coordination
ParameterValue
Short-circuit coordination type 1, fusegG: 50A (690V,100kA), aM: 20A (690V,100kA), BS88: 35A (415V,80kA)
Short-circuit coordination type 2, fusegG: 20A (690V,100kA), aM: 16A (690V, 100kA), BS88: 20A (415V, 80kA)
Aux. switch short-circuit protection, fusegG: 10 A (500 V, 1 kA)
3RT2017-2AN21 — 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
3RT2017-2AN21 — Durability
ParameterValue
Durability (operating cycles, typ.)30 000 000
Durability with aux. switch block (cycles, typ.)10 000 000
3RT2017-2AN21 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
Storage temperature range-55 ... +80 °C
Installation altitude, max.2 000 m
3RT2017-2AN21 — Mechanical
ParameterValue
Width45 mm
Height70 mm
Depth73 mm
3RT2017-2AN21 — Specifications
ParameterValue
At AC4 ... 15 ms

Product details

Panel fit and wire termination for S00 contactor

The 3RT2017-2AN21: The coil connection uses spring-type terminals, which speed up wiring and hold firm under vibration — no screw torque to verify.

Switching capacity and duty-cycle ratings

Rated operational current at 24 V DC is 10 A for the main contacts — this is the continuous current the contactor can carry in DC-1 or DC-3 duty at that voltage. The AC-3e rating also caps at 750/h. Arcing time is specified at 10…15 ms under AC conditions; the make/break time at AC is 4…15 ms. These values matter for coordinating with upstream protection and for predicting contact wear in high-cycle applications. The contactor includes an auxiliary switch (1 NO + 1 NC typically, though the exact configuration should be confirmed from the product label). Main contact size range is 20…12 AWG, matching the terminal capacity.

Environmental limits and lifecycle status

The 3RT2017-2AN21 is a dedicated power contactor, not a logic module or PLC.

Frequently asked questions

What wire sizes does the 3RT2017-2AN21 accept?

The coil connection uses spring-type terminals with the same wire range.

What is the 3RT2017-2AN21's depth?

The depth is 73 mm, with a width of 45 mm and height of 70 mm — standard S00 contactor footprint.

MPN
3RT2017-2AN21