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PRODUCT FAMILY

Siemens SIRIUS Contactors

SIRIUS 3RT power contactors and 3RH auxiliary contactors. Full size range with warranty.

Worldwide Shipping
Fast Dispatch
Warehouse Pickup
1-Year Warranty

SIRIUS Contactors β€” Available Products

Siemens 3RT2016-1AP01 SIRIUS Power Contactor for industrial motor control systems
Siemens

Siemens 3RT2016-1AP01

$185.00

Siemens 3RT2016-2BB41 SIRIUS 3-pole power contactor for industrial motor control
Siemens

Siemens 3RT2016-2BB41

$200.00

Siemens 3RT2036-1KB40 SIRIUS Contactor for industrial motor control
Siemens

Siemens 3RT2036-1KB40

$554.00

Siemens 3RH1921-1CA10 SIRIUS Auxiliary Contact Block
Siemens

Siemens 3RH1921-1CA10

$60.00

Siemens 3RT1025-1BB40 3-Pole Contactor for industrial motor control systems
Siemens

Siemens 3RT1025-1BB40

$408.00

Siemens 3RT1017-1BB41 Contactor for industrial motor and circuit control applications
Siemens

Siemens 3RT1017-1BB41

$989.00

Siemens 3RT2916-1EH00 SIRIUS surge suppressor for industrial control systems
Siemens

Siemens 3RT2916-1EH00

$50.00

Siemens 3RT2015-2BB42 SIRIUS Contactor
Siemens

Siemens 3RT2015-2BB42

$276.00

Siemens 3RT1026-1BB40 SIRIUS 3-pole power contactor for industrial motor control applications
Siemens

Siemens 3RT1026-1BB40

$193.00

SIEMENS 3RT2025-1BB40 SIRIUS Contactor controlling industrial machinery
SIEMENS

SIEMENS 3RT2025-1BB40

$192.00

Siemens 3RT2027-2BB40 3-pole contactor for industrial automation, 24V DC control, 25A rated current
Siemens

Siemens 3RT2027-2BB40

$498.00

Siemens 3RT2025-2BB40 SIRIUS Power Contactor for industrial motor control
Siemens

Siemens 3RT2025-2BB40

$312.00

Siemens 3RH1911-1FA22 SIRIUS auxiliary contact block, front view
Siemens

Siemens 3RH1911-1FA22

$96.00

Siemens 3RH2122-1BB40 SIRIUS Contactor Relay for industrial automation
Siemens

Siemens 3RH2122-1BB40

$120.00

Siemens 3RH1921-1CA01 SIRIUS Auxiliary Contact Block for industrial control systems
Siemens

Siemens 3RH1921-1CA01

$52.00

Siemens 3RT2916-1DG00 Auxiliary Contact Block for industrial control systems
SIEMENS

SIEMENS 3RT2916-1DG00

$69.00

Siemens 3RT2916-1BB00 surge suppressor for industrial control systems
Siemens

Siemens 3RT2916-1BB00

$40.00

Siemens 3RT2026-2BB40 SIRIUS Power Contactor for industrial motor control
Siemens

Siemens 3RT2026-2BB40

$220.00

Siemens 3RT2023-1BB40 SIRIUS Contactor for industrial motor control
Siemens

Siemens 3RT2023-1BB40

$250.00

SIEMENS 3RT2026-1BB40 industrial contactor for robust motor control
SIEMENS

SIEMENS 3RT2026-1BB40

$144.00

Siemens 3RT2016-2BB42 SIRIUS 3RT Power Contactor
Siemens

Siemens 3RT2016-2BB42

$100.00

Siemens 3RT1056-6AF36 SIRIUS Power Contactor for industrial motor control
Siemens

Siemens 3RT1056-6AF36

$648.00

Siemens 3RT1016-1BB42 SIRIUS Contactor
Siemens

Siemens 3RT1016-1BB42

$100.00

SIEMENS 3RT2015-1BB41 Contactor
SIEMENS

SIEMENS 3RT2015-1BB41

$94.00

Siemens 3RT1034-1A SIRIUS 3-Pole Contactor
Siemens

Siemens 3RT1034-1A

$565.00

Siemens 3RT2016-1BB42 SIRIUS 3-pole contactor for industrial automation
SIEMENS

SIEMENS 3RT2016-1BB42

$67.00

Siemens 3RH2131-2BB40 SIRIUS Contactor Relay for industrial automation
Siemens

Siemens 3RH2131-2BB40

$180.00

Siemens 3RH2262-1BB40 SIRIUS Control Relay for industrial automation
Siemens

Siemens 3RH2262-1BB40

$397.00

Siemens 3RT1015-1BB41 SIRIUS Contactor
Siemens

Siemens 3RT1015-1BB41

$221.00

Siemens 3RT2026-1AC20 3-pole AC contactor for industrial motor control
Siemens

Siemens 3RT2026-1AC20

$326.00

Siemens 3RT2026-1AP00 SIRIUS power contactor for industrial motor control.
Siemens

Siemens 3RT2026-1AP00

$268.00

SIEMENS 3RT2027-1BB40 SIRIUS Contactor for industrial automation
SIEMENS

SIEMENS 3RT2027-1BB40

$271.00

Siemens 3RT2028-1BB40 SIRIUS Contactor
Siemens

Siemens 3RT2028-1BB40

$240.00

Siemens 3RT2025-1AL20 3-pole contactor for industrial motor control
Siemens

Siemens 3RT2025-1AL20

$251.00

Siemens 3RT2016-1BB41 SIRIUS 3-pole IEC contactor with 24V DC coil and 9A rating
SIEMENS

SIEMENS 3RT2016-1BB41

$89.00

Siemens 3RT2017-1BB42 SIRIUS 3-Pole Contactor with 24V DC coil and screw terminals
Siemens

Siemens 3RT2017-1BB42

$172.00

Siemens 3RT2017-1BB41 power contactor for industrial motor control applications
Siemens

Siemens 3RT2017-1BB41

$70.00

Siemens 3RT2018-1BB41 SIRIUS 3-pole power contactor
Siemens

Siemens 3RT2018-1BB41

$300.00

Siemens 3RT2024-1BB40 SIRIUS 3-pole power contactor
Siemens

Siemens 3RT2024-1BB40

$120.00

Siemens 3RT1055-6AF36 SIRIUS Power Contactor for industrial motor control
Siemens

Siemens 3RT1055-6AF36

$615.00

Siemens 3RT1056-6AP36 SIRIUS power contactor, 3-pole, 185A, 220-240V AC/DC coil
Siemens

Siemens 3RT1056-6AP36

$816.00

Siemens 3RT1034-1BB40 32A, 24V DC Contactor for industrial automation
Siemens

Siemens 3RT1034-1BB40

$628.00

Siemens 3RT1055-6AP36 Contactor for industrial motor control applications
Siemens

Siemens 3RT1055-6AP36

$1,212.00

Siemens 3RT2015-2BB41 SIRIUS 3-pole contactor in an industrial setting
Siemens

Siemens 3RT2015-2BB41

$243.00

Siemens 3RT2015-1BB42 SIRIUS 3-pole power contactor with screw terminals
Siemens

Siemens 3RT2015-1BB42

$60.00

Siemens 3RT1016-1BB41 3-pole contactor for industrial motor control with 24V DC coil
Siemens

Siemens 3RT1016-1BB41

$70.00

Siemens 3RH2131-1BB40 industrial control relay with 4 normally open contacts and 24V DC coil
Siemens

Siemens 3RH2131-1BB40

$85.00

SIEMENS 3RH1921-1HA22 contactor module for SIRIUS system
SIEMENS

SIEMENS 3RH1921-1HA22

$38.00

Siemens 3RH1921-1FA22 SIRIUS Auxiliary Contact Block with 2 NO and 2 NC contacts
Siemens

Siemens 3RH1921-1FA22

$40.00

Siemens 3RH2140-2BB40 industrial control relay with four normally open contacts and a 24V DC coil
Siemens

Siemens 3RH2140-2BB40

$250.00

Siemens 3RH2122-2BB40 SIRIUS industrial control relay for automation systems
Siemens

Siemens 3RH2122-2BB40,

$200.00

Siemens 3RH1921-1EA11 Contactor Relay for industrial automation
Siemens

Siemens 3RH1921-1EA11

$62.00

Siemens 3RH1140-1BB40 SIRIUS Contactor Relay
Siemens

Siemens 3RH1140-1BB40

$82.00

Siemens 3RH1921-1DA11 Auxiliary Contact Block for industrial control
Siemens

Siemens 3RH1921-1DA11

$25.00

Siemens 3RH1131-1BB40 SIRIUS industrial control relay with 4 normally open contacts
Siemens

Siemens 3RH1131-1BB40

$80.00

Overview

SIRIUS 3RT and 3RH are the modern Siemens contactor platform for motor control and auxiliary switching.

Machine down? We ship SIRIUS Contactors parts the same day.

New, surplus, and refurbished Siemens inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

Series in this family

Compatible & related families

Why Buy From PALM Parts Solution

Fast Worldwide Shipping

DHL, FedEx, UPS β€” door-to-door in 1-4 business days.

Same-Day Shipping

In-stock orders placed before 3pm ET ship the same day.

Warehouse Stock

New, surplus and refurbished Siemens inventory ready to ship.

Machine-Down Support

24/7 emergency sourcing for production-critical failures.

Request a Quote

Custom pricing on volume, repair, and hard-to-find SKUs.

Automation Specialists

Talk to engineers, not call-center agents.

Product Sourcing

We hunt down discontinued and obsolete parts globally.

Obsolete Support

Lifecycle-end Siemens parts β€” sourced, tested, warrantied.

Frequently asked questions

What is the SIRIUS Contactors family used for?

The SIRIUS Contactors family from Siemens covers industrial automation applications such as machine control, process control, motor control and discrete I/O. Browse the series below to find the exact part number for your installation.

Are obsolete SIRIUS Contactors parts still available?

Yes. We stock new surplus, refurbished and end-of-life SIRIUS Contactors units from Siemens. If a part number is no longer in production we will identify a compatible replacement or repair your existing module.

How do I identify the correct SIRIUS Contactors replacement?

Match the catalog number printed on the SIRIUS Contactors label, then confirm voltage, I/O count, communication protocol and firmware revision. Our team can validate compatibility against your original Siemens configuration before shipment.

Do SIRIUS Contactors parts come tested?

Every SIRIUS Contactors unit we ship is functionally tested against Siemens OEM specifications. Refurbished items include a 1-year warranty and a full inspection report on request.

Need a specific part?

Send us your part numbers β€” we'll respond the same business day with pricing and availability.

Are you an Electrical Distributor?Learn more about our distributor program

PALM Parts Solution sells used surplus products. PALM Parts Solution is not an authorized distributor, affiliate, or representative for the brands we carry. Products sold by PALM Parts Solution come with PALM Parts Solution's 1-Year Warranty and do not come with the original manufacturer's warranty. Designated trademarks, brand names and brands appearing herein are the property of their respective owners. This website is not sanctioned or approved by any manufacturer or tradename listed.

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