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Siemens 3RT1025-1AN00-1AA0 — Contactors

Siemens 3RT1025-1AN00-1AA0 SIRIUS Power Contactor, S0, 3NO,

MPN3RT1025-1AN00-1AA0

Siemens SIRIUS 3RT1025-1AN00-1AA0, power contactor, size S0, 3 NO main contacts, screw terminals, 45 mm width, screw and snap-on mounting.

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

3RT1025-1AN00-1AA0 — Identification
ParameterValue
Contactor frame sizeS0
3RT1025-1AN00-1AA0 — Ratings & Performance
ParameterValue
Rated operational current, AC-4 @ 400 V15.5 A
Rated value @ 400 V3 A
Rated value @ 500 V10 kW
Rated value @ 690 V11 kW
Rated value @ 230 V6 A
Rated value @ 24 V10 A
Rated value @ 60 V2 A
Rated value @ 110 V1 A
Rated value @ 220 V0.3 A
3RT1025-1AN00-1AA0 — Control & Coil
ParameterValue
Control supply voltage typeAC
Rated value @ 50 Hz0.8 ... 1.1
Rated value @ 50 Hz220 V
3RT1025-1AN00-1AA0 — Contacts & Poles
ParameterValue
Main poles3
Main NO contacts3
Auxiliary contact reliability1 faulty switching per 100 million (17 V, 1 mA)
3RT1025-1AN00-1AA0 — Protection & Coordination
ParameterValue
Short-circuit coordination type 1, fusefuse gL/gG: 63 A
Short-circuit coordination type 2, fusefuse gL/gG: 25 A
Aux. switch short-circuit protection, fusefuse gL/gG: 10 A
3RT1025-1AN00-1AA0 — Connection & Mounting
ParameterValue
Main circuit connectionscrew-type terminals
Conductor cross-section, solid2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), max. 2x (0.75 ... 4 mm²)
Conductor cross-section, finely stranded w/ ferrule2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
Side-by-side mountingYes
3RT1025-1AN00-1AA0 — Durability
ParameterValue
Durability (operating cycles, typ.)10 000 000
Durability with aux. switch block (cycles, typ.)10 000 000
3RT1025-1AN00-1AA0 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
3RT1025-1AN00-1AA0 — Mechanical
ParameterValue
Width45 mm
Height85 mm
Depth91 mm

Product details

At 690 V it is rated 11 kW, and at 500 V, 10 kW, giving the buyer a clear kW-per-voltage map for motor sizing.

Termination and wiring

Main circuit terminals accept 2x (0.5 to 1.5 mm²), 2x (0.75 to 2.5 mm²), and up to 2x (0.75 to 4 mm²) solid or stranded wire. For the main current path, larger cross-sections are supported: 2x (1 to 2.5 mm²), 2x (2.5 to 6 mm²), and max 2x 10 mm². AWG equivalents for the main contacts are 2x (16 to 12), 2x (14 to 10), and 1x 8. The control circuit terminals handle 2x (0.5 to 1.5 mm²) and 2x (0.75 to 2.5 mm²).

Protection and coordination

For Type 2 coordination (limited damage under short circuit) the required fuse is gL/gG 25 A. For Type 1 coordination (device must be replaced after fault) the fuse can be up to 63 A gL/gG. This lets the panel designer balance protection level with fuse availability.

Frequently asked questions

What are the physical dimensions of the 3RT1025-1AN00-1AA0?

The contactor is 45 mm wide, 85 mm high, and 91 mm deep. It mounts on a 35 mm DIN rail per EN 50022, with screw or snap-on fixing.

What wire sizes does the main circuit accept?

Main terminals accept 2x (0.5 to 1.5 mm²), 2x (0.75 to 2.5 mm²), and up to 2x (0.75 to 4 mm²) solid or stranded. For the main current path: 2x (1 to 2.5 mm²), 2x (2.5 to 6 mm²), and max 2x 10 mm². AWG equivalents are 2x (16 to 12), 2x (14 to 10), and 1x 8.

How does 3RT1025-1AN00-1AA0 compare to 3RT1023-1AL20?

Both are SIRIUS S0-frame power contactors with 3 NO main contacts. The 3RT1025-1AN00-1AA0 carries higher current ratings: 15.5 A at AC-3 400 V versus the 3RT1023-1AL20's lower rating. Panel footprint is the same 45 mm width and DIN-rail mounting, so a panel designed for the smaller contactor can accept the 3RT1025-1AN00-1AA0 without mechanical rework, but the wiring and protection fuse must be sized for the higher current.

MPN
3RT1025-1AN00-1AA0