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Siemens 3RT2526-1BG40 — Contactors

3RT2526-1BG40

MPN3RT2526-1BG40
Active

power contactor, AC-3, 25 A, 11 kW / 400 V, 4-pole, 125 V DC, main contacts: 2 NO + 2 NC, auxiliary contacts: 1 NO + 1 NC, screw terminal, size: S0

$74.93Ref. 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

3RT2526-1BG40 — Identification
ParameterValue
Contactor frame sizeS0
3RT2526-1BG40 — 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
3RT2526-1BG40 — Control & Coil
ParameterValue
Control supply voltage typeDC
3RT2526-1BG40 — Contacts & Poles
ParameterValue
Main poles4
Main NO contacts2
Auxiliary contact reliability1 faulty switching per 100 million (17 V, 1 mA)
3RT2526-1BG40 — 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
3RT2526-1BG40 — 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
3RT2526-1BG40 — Durability
ParameterValue
Durability (operating cycles, typ.)10 000 000
Durability with aux. switch block (cycles, typ.)10 000 000
3RT2526-1BG40 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
Storage temperature range-55 ... +80 °C
Installation altitude, max.2 000 m
3RT2526-1BG40 — Mechanical
ParameterValue
Width61 mm
Height85 mm
Depth107 mm
3RT2526-1BG40 — Specifications
ParameterValue
At AC5 000 1/h

Frequently asked questions

What is the coil voltage and tolerance of Siemens 3RT2526-1BG40?

Determines PLC output module and 125 V DC control circuit compatibility before purchase.

What is the AC-3 rating and main contact configuration of 3RT2526-1BG40 at 400 V?

Confirms 25 A / 11 kW / 2 NO + 2 NC suitability for motor and switching loads.

Is 3RT2526-1BG40 still active, and what is the direct replacement if discontinued?

Drives last-time-buy decisions and avoids allocation surprises.

What is the difference between 3RT2526-1BG40 and 3RT2526-1BG00?

Highlights auxiliary contact variations that affect wiring logic and spares substitution.

What is a pin-compatible or form-fit-function replacement for 3RT2526-1BG40 in an S0 panel?

Enables field retrofit when OEM parts are unavailable or allocated.

Where can 3RT2526-1BG40 be bought from authorized Siemens distributors with current stock and lead time?

Mitigates counterfeit risk and secures pricing for the 125 V DC coil variant.

MPN
3RT2526-1BG40