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Siemens 3RT2024-1AP04 — Contactors

Siemens 3RT2024-1AP04 SIRIUS Power Contactor, S0 Frame, 24 V

MPN3RT2024-1AP04
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Siemens SIRIUS power contactor, S0 frame, 3RT2024-1AP04, 24 VDC coil, screw terminals, 6 A at 24 V rated value, 11 A at 480 V, 45 mm width, 141 mm depth.

$30.48Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

3RT2024-1AP04 — Identification
ParameterValue
Contactor frame sizeS0
3RT2024-1AP04 — Ratings & Performance
ParameterValue
Rated operational current, AC-12, max.10 A
Rated operational current, AC-4 @ 400 V12.5 A
Rated value @ 400 V3 A
Rated value @ 500 V2 A
Rated value @ 690 V1 A
Rated value @ 230 V2 hp
Rated value @ 24 V6 A
Rated value @ 60 V2 A
Rated value @ 110 V1 A
Rated value @ 220 V0.3 A
3RT2024-1AP04 — Control & Coil
ParameterValue
Control supply voltage typeAC
Rated value @ 50 Hz0.25
Rated value @ 50 Hz230 V
3RT2024-1AP04 — Contacts & Poles
ParameterValue
Main poles3
Main NO contacts3
Auxiliary contact reliability1 faulty switching per 100 million (17 V, 1 mA)
3RT2024-1AP04 — Protection & Coordination
ParameterValue
Short-circuit coordination type 1, fusegG: 63A (690V,100kA), aM: 32A (690V,100kA), BS88: 63A (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)
3RT2024-1AP04 — Connection & Mounting
ParameterValue
Main circuit connectionscrew-type terminals
Aux. / control circuit connectionscrew-type terminals
Conductor cross-section, solid1 ... 10 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
3RT2024-1AP04 — Durability
ParameterValue
Durability (operating cycles, typ.)10 000 000
Durability with aux. switch block (cycles, typ.)10 000 000
3RT2024-1AP04 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
Storage temperature range-55 ... +80 °C
Installation altitude, max.2 000 m
3RT2024-1AP04 — Mechanical
ParameterValue
Width45 mm
Height85 mm
Depth141 mm
3RT2024-1AP04 — Specifications
ParameterValue
At AC4 ... 16 ms

Product details

Siemens 3RT2024-1AP04 SIRIUS Power Contactor — S0 Frame, 24 VDC Coil

The 24 VDC coil draws 6 A at its rated value — that's the holding current, not the inrush; the solenoid pull-in current is higher but brief. At 480 V it carries 11 A, which puts it in range for smaller three-phase motors or resistive heating banks.

The 24 VDC coil rating of 6 A is the continuous holding current at nominal voltage — not the switching current of the main contacts. The main contact ratings are given per duty class: at AC-1 (resistive load) the maximum operating rate is 1 000 cycles per hour; at AC-3 (squirrel-cage motor starting) it's also 1 000 cycles per hour; at AC-4 (plugging/inching) it drops to 300 cycles per hour. The 480 V, 11 A rating is the maximum continuous current the main contacts can carry at that voltage — useful for a 480 V motor circuit or a resistive load bank.

The 3RT2024-1AP04 is 45 mm wide, 85 mm high, and 141 mm deep — the depth is the dimension from the DIN rail back to the furthest point of the terminals, so it matters for enclosure depth clearance. The screw terminals accept solid or stranded wire from 1 to 10 mm², and for two conductors per terminal: 2x (0.5 to 1.5 mm²) or 2x (0.75 to 2.5 mm²). The S0 frame size is the smallest of the SIRIUS contactor family, so it fits in compact enclosures.

Frequently asked questions

What is 3RT2024-1AP04's listed depth?

The depth is 141 mm, measured from the DIN rail back to the furthest terminal point.

What wire sizes does the 3RT2024-1AP04 accept?

The screw terminals accept solid or stranded conductors from 1 to 10 mm², and for two conductors per terminal: 2x (0.5 to 1.5 mm²) or 2x (0.75 to 2.5 mm²).

MPN
3RT2024-1AP04