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Siemens 3RT2526-1AB00 — Contactors

3RT2526-1AB00 - Siemens

MPN3RT2526-1AB00
Active

power contactor, AC-3, 25 A, 11 kW / 400 V, 4-pole, 24 V AC, 50/60 Hz, main contacts: 2 NO + 2 NC, auxiliary contacts: 1 NO + 1 NC, screw terminal, size: S0

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

3RT2526-1AB00 — Identification
ParameterValue
Contactor frame sizeS0
3RT2526-1AB00 — Ratings & Performance
ParameterValue
Rated operational current, AC-12, max.10 A
Rated value @ 400 V3 A
Rated value @ 500 V2 A
Rated value @ 690 V1 A
Rated value @ 230 V10 A
Rated value @ 24 V10 A
Rated value @ 60 V2 A
Rated value @ 110 V1 A
Rated value @ 220 V0.3 A
3RT2526-1AB00 — Control & Coil
ParameterValue
Control supply voltage typeAC
Rated value @ 50 Hz0.25
Rated value @ 50 Hz24 V
3RT2526-1AB00 — Contacts & Poles
ParameterValue
Main poles4
Main NO contacts2
Auxiliary contact reliability1 faulty switching per 100 million (17 V, 1 mA)
3RT2526-1AB00 — Protection & Coordination
ParameterValue
Short-circuit coordination type 1, fusegG: 63 A (690 V, 100 kA)
Short-circuit coordination type 2, fusegG: 35 A (690 V, 50 kA)
Aux. switch short-circuit protection, fusefuse gG: 10 A
3RT2526-1AB00 — Connection & Mounting
ParameterValue
Main circuit connectionscrew-type terminals
Aux. / control circuit connectionscrew-type terminals
Conductor cross-section, solid2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 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 50022
Side-by-side mountingYes
3RT2526-1AB00 — Durability
ParameterValue
Durability (operating cycles, typ.)10 000 000
Durability with aux. switch block (cycles, typ.)10 000 000
3RT2526-1AB00 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
Storage temperature range-55 ... +80 °C
Installation altitude, max.2 000 m
3RT2526-1AB00 — Mechanical
ParameterValue
Width61 mm
Height85 mm
Depth97 mm
3RT2526-1AB00 — Specifications
ParameterValue
At AC4 ... 16 ms

Frequently asked questions

What is the coil voltage of the Siemens 3RT2526-1AB00?

Coil voltage must match existing control circuit before procurement to avoid rework.

How many main and auxiliary contacts does the 3RT2526-1AB00 have?

Contact configuration (2 NO + 2 NC main, 1 NO + 1 NC aux) determines fit in the motor circuit design.

Is the Siemens 3RT2526-1AB00 suitable for AC-3 motor switching at 11 kW / 400 V?

Confirms rated use case for direct-on-line motor starting up to 25 A.

What is the difference between 3RT2526-1AB00 and 3RT2526-1BB00?

Buyers frequently compare coil suffix variants to pick the right 24 V AC vs DC version.

What replacement or equivalent is available for the 3RT2526-1AB00?

Identifies cross-reference and lifecycle alternatives to mitigate stockout or obsolescence.

Where can I buy the 3RT2526-1AB00 at current stock and price?

Drives conversion by surfacing authorized distributors, pricing, and availability.

MPN
3RT2526-1AB00