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Siemens 3RT2024-1BF40 — Contactors

Siemens 3RT2024-1BF40 SIRIUS Power Contactor, S0, 110V Coil

MPN3RT2024-1BF40
Active

Siemens SIRIUS 3RT2024-1BF40 power contactor, size S0, 110 V coil, screw-type terminals, 45 mm width, rated for AC-3 motor switching at 1000 cycles per hour.

$41.91Ref. price · indicative, final on quote
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

3RT2024-1BF40 — Identification
ParameterValue
Contactor frame sizeS0
3RT2024-1BF40 — 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 V10 A
Rated value @ 60 V2 A
Rated value @ 110 V1 A
Rated value @ 220 V0.3 A
3RT2024-1BF40 — Control & Coil
ParameterValue
Control supply voltage typeDC
3RT2024-1BF40 — Contacts & Poles
ParameterValue
Main poles3
Main NO contacts3
Auxiliary contact reliability1 faulty switching per 100 million (17 V, 1 mA)
3RT2024-1BF40 — 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)
3RT2024-1BF40 — 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
3RT2024-1BF40 — Durability
ParameterValue
Durability (operating cycles, typ.)10 000 000
Durability with aux. switch block (cycles, typ.)10 000 000
3RT2024-1BF40 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
Storage temperature range-55 ... +80 °C
Installation altitude, max.2 000 m
3RT2024-1BF40 — Mechanical
ParameterValue
Width45 mm
Height85 mm
Depth107 mm

Product details

It uses a 110 V AC coil with screw-type terminals and includes an auxiliary switch. Dimensions of 45 mm width, 85 mm height, and 107 mm depth allow compact mounting on a 35 mm DIN rail per EN 60715.

Wiring and mounting constraints

Main contacts accept solid or stranded copper wire from 1 to 10 mm²; auxiliary terminals accept 2x (0.5–1.5 mm²) or 2x (0.75–2.5 mm²). Mounting clearances: 10 mm above and below, 6 mm to the side.

Frequently asked questions

What wire sizes does this contactor accept?

Main contacts: solid or stranded 1–10 mm². Auxiliary contacts: 2x (0.5–1.5 mm²) or 2x (0.75–2.5 mm²).

MPN
3RT2024-1BF40