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Siemens 3RT2025-1AK60 — Contactors

Siemens 3RT2025-1AK60 SIRIUS Contactor, S0, 45 mm Wide

MPN3RT2025-1AK60
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Siemens SIRIUS power contactor, 3RT2025-1AK60, S0 size, 45 mm width, 97 mm depth, screw terminals, auxiliary switch.

$29.21Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

3RT2025-1AK60 — Identification
ParameterValue
Contactor frame sizeS0
3RT2025-1AK60 — Ratings & Performance
ParameterValue
Rated operational current, AC-12, max.10 A
Rated operational current, AC-4 @ 400 V15.5 A
Rated value @ 400 V3 A
Rated value @ 500 V2 A
Rated value @ 690 V1 A
Rated value @ 230 V3 hp
Rated value @ 24 V10 A
Rated value @ 60 V2 A
Rated value @ 110 V1 A
Rated value @ 220 V0.3 A
3RT2025-1AK60 — Control & Coil
ParameterValue
Control supply voltage typeAC
Rated value @ 50 Hz0.25
Rated value @ 50 Hz110 V
3RT2025-1AK60 — Contacts & Poles
ParameterValue
Main poles3
Main NO contacts3
Auxiliary contact reliability1 faulty switching per 100 million (17 V, 1 mA)
3RT2025-1AK60 — 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)
3RT2025-1AK60 — 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
3RT2025-1AK60 — Durability
ParameterValue
Durability (operating cycles, typ.)10 000 000
Durability with aux. switch block (cycles, typ.)10 000 000
3RT2025-1AK60 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
Storage temperature range-55 ... +80 °C
Installation altitude, max.2 000 m
3RT2025-1AK60 — Mechanical
ParameterValue
Width45 mm
Height85 mm
Depth97 mm
3RT2025-1AK60 — Specifications
ParameterValue
At AC4 ... 16 ms

Product details

Main terminals accept solid or stranded wire from 1 to 10 mm²; auxiliary terminals take twin conductors 0.5–1.5 mm² or 0.75–2.5 mm². Coil connections are screw-type terminals.

Auxiliary Switch Ratings

Integral auxiliary switch is rated for 10 A, 2 A, 1 A, 0.9 A, 0.3 A, and 0.6 A.

Switching rate: 1 000 1/h for AC-1, AC-2, AC-3, AC-3e; 300 1/h for AC-4. Mechanical life: 10 000 000 typical operations.

Frequently asked questions

What are the overall dimensions of this contactor?

Width 45 mm, height 85 mm, depth 97 mm — compatible with standard S0 panel cutouts and DIN-rail spacing.

What wire sizes does the 3RT2025-1AK60 accept on the main terminals?

Solid or stranded conductors from 1 to 10 mm². Auxiliary terminals accept twin conductors in the range of 0.5–1.5 mm² or 0.75–2.5 mm².

MPN
3RT2025-1AK60