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Siemens 3RT1025-1BB40-ZW97 — Contactors

Siemens 3RT1025-1BB40-ZW97 SIRIUS Power Contactor, 10 kW at

MPN3RT1025-1BB40-ZW97

Siemens SIRIUS, power contactor, size S0, 3RT1025-1BB40-ZW97, 24 VDC coil, 10 kW at 500 V / 11 kW at 690 V, screw-type terminals, DIN-rail mount.

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

3RT1025-1BB40-ZW97 — Identification
ParameterValue
Contactor frame sizeS0
3RT1025-1BB40-ZW97 — 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
3RT1025-1BB40-ZW97 — Control & Coil
ParameterValue
Control supply voltage typeDC
3RT1025-1BB40-ZW97 — Contacts & Poles
ParameterValue
Main poles3
Main NO contacts3
Auxiliary contact reliability1 faulty switching per 100 million (17 V, 1 mA)
3RT1025-1BB40-ZW97 — 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
3RT1025-1BB40-ZW97 — 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
3RT1025-1BB40-ZW97 — Durability
ParameterValue
Durability (operating cycles, typ.)10 000 000
Durability with aux. switch block (cycles, typ.)10 000 000
3RT1025-1BB40-ZW97 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
3RT1025-1BB40-ZW97 — Mechanical
ParameterValue
Width45 mm
Height85 mm
Depth101 mm

Product details

Siemens SIRIUS 3RT1025-1BB40-ZW97 — Power Contactor, Size S0

The Siemens 3RT1025-1BB40-ZW97 is a SIRIUS power contactor in size S0, rated for motor switching at 10 kW at 500 V and 11 kW at 690 V. It carries a 24 VDC coil with a holding power of 5.4 W, and its screw-type terminals accept up to 2x 10 mm² solid or 1x 8 AWG for the main circuit.

Frequently asked questions

What are the key specifications of 3RT1025-1BB40-ZW97?

Size S0 power contactor, 24 VDC coil, 10 kW at 500 V, 11 kW at 690 V, screw terminals, 45 mm wide, 85 mm high, 101 mm deep, DIN-rail mount.

Where can I buy 3RT1025-1BB40-ZW97?

This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time.

MPN
3RT1025-1BB40-ZW97