Sirius Motor Protection & Starters — Available Products
Siemens 3RV2021-1GA10
$428.00
Siemens 3RT2016-1AP01
$185.00
Siemens 3RW4024-1BB04
$720.00
Siemens 3RW4046-1BB14
$1,782.00
Siemens 3RT2016-2BB41
$200.00
Siemens 3RV1041-4JA10
$467.00
Siemens 3RV2011-1CA15
$277.00
Siemens 3RV2011-0GA10,
$264.00
Siemens 3RT2036-1KB40
$554.00
Siemens 3RH1921-1CA10
$60.00
Siemens 3RT1025-1BB40
$408.00
Siemens 3RT1017-1BB41
$989.00
Siemens 3RW4036-1BB14
$1,030.00
Siemens 3RW4037-1BB04
$1,724.00
SIEMENS 3RW4026-1BB04
$762.00
Siemens 3RT2916-1EH00
$50.00
Siemens 3RV2011-1JA20
$296.00
Siemens 3RV1031-4FA10
$248.00
Siemens 3RW3026-1BB04
$420.00
Siemens 3RV2011-1GA15
$500.00
Siemens 3RT2015-2BB42
$276.00
Siemens 3RT1026-1BB40
$193.00
SIEMENS 3RT2025-1BB40
$192.00
Siemens 3RT2027-2BB40
$498.00
Siemens 3RT2025-2BB40
$312.00
Siemens 3RH1911-1FA22
$96.00
Siemens 3RH2122-1BB40
$120.00
Siemens 3RH1921-1CA01
$52.00
3RW3027-1BB14
$478.00
Siemens 3RW4024-1BB14
$927.00
Siemens 3RW3027-1BB04
$921.00
Siemens 3RW4027-1BB04
$860.00
Siemens 3RW4028-1BB04
$1,100.00
Siemens 3RV2011-1JA15
$545.00
Siemens 3RV2011-1KA10
$160.00
SIEMENS 3RV2021-4DA10
$232.00
Siemens 3RV2021-4BA20
$440.00
Siemens 3RV2011-1DA20
$300.00
Siemens 3RV2011-0EA10
$267.00
Siemens 3RV2011-0HA10
$235.00
Siemens 3RV2011-1DA15
$280.00
SIEMENS 3RT2916-1DG00
$69.00
Siemens 3RV1021-4AA10
$130.00
Siemens 3RT2916-1BB00
$40.00
Siemens 3RT2026-2BB40
$220.00
Siemens 3RT2023-1BB40
$250.00
SIEMENS 3RT2026-1BB40
$144.00
Siemens 3RT2016-2BB42
$100.00
Siemens 3RT1056-6AF36
$648.00
Siemens 3RT1016-1BB42
$100.00
SIEMENS 3RT2015-1BB41
$94.00
Siemens 3RT1034-1A
$565.00
SIEMENS 3RT2016-1BB42
$67.00
Siemens 3RH2131-2BB40
$180.00
Siemens 3RH2262-1BB40
$397.00
Siemens 3RT1015-1BB41
$221.00
Siemens 3RW4047-1BB14
$1,000.00
Siemens 3RW4037-1BB14
$1,120.00
Siemens 3RW4036-1BB04
$900.00
Siemens 3RW4028-1BB14
$1,712.00
Siemens 3RW4027-1BB14
$960.00
Siemens 3RW4026-1BB14
$830.00
Siemens 3RW3018-1BB04
$820.00
Siemens 3RW3028-1BB04
$814.00
Siemens 3RW3017-1BB04
$550.00
Siemens 3RW3036-1BB14
$2,987.00
Siemens 3RW3018-1BB14
$552.00
Siemens 3RW3026-1BB14
$514.00
Siemens 3RV2011-4AA15
$400.00
Siemens 3RW3014-1BB04
$632.00
Siemens 3RV2021-1HA10
$325.00
Siemens 3RV2011-4AA10
$220.00
Siemens 3RV2021-4NA10
$450.00
Siemens 3RV2011-1GA20
$524.00
Siemens 3RV2011-1FA20
$418.00
Siemens 3RV2011-1FA15
$614.00
SIEMENS 3RV2011-1EA10
$146.00
SIEMENS 3RV2011-1CA10
$201.00
Siemens 3RV2011-1AA10
$210.00
Siemens 3RV1031-4EA10
$215.00
Siemens 3RV2011-1AA15
$380.00
Siemens 3RV1021-4BA10
$215.00
Siemens 3RV1011-1EA10
$265.00
Siemens 3RV1021-1JA10
$598.00
Siemens 3RV1021-1KA10
$200.00
Siemens 3RV1011-1HA10
$798.00
Siemens 3RV1011-1GA10
$97.00
Siemens 3RT2026-1AC20
$326.00
Siemens 3RT2026-1AP00
$268.00
SIEMENS 3RT2027-1BB40
$271.00
Siemens 3RT2028-1BB40
$240.00
Siemens 3RT2025-1AL20
$251.00
SIEMENS 3RT2016-1BB41
$89.00
Siemens 3RT2017-1BB42
$172.00
Siemens 3RT2017-1BB41
$70.00
Siemens 3RT2018-1BB41
$300.00
Siemens 3RT2024-1BB40
$120.00
Siemens 3RT1055-6AF36
$615.00
Siemens 3RT1056-6AP36
$816.00
Siemens 3RT1034-1BB40
$628.00
Siemens 3RT1055-6AP36
$1,212.00
Siemens 3RT2015-2BB41
$243.00
Siemens 3RT2015-1BB42
$60.00
Siemens 3RT1016-1BB41
$70.00
Siemens 3RH2131-1BB40
$85.00
SIEMENS 3RH1921-1HA22
$38.00
Siemens 3RH1921-1FA22
$40.00
Siemens 3RH2140-2BB40
$250.00
Siemens 3RH2122-2BB40,
$200.00
Siemens 3RH1921-1EA11
$62.00
Siemens 3RH1140-1BB40
$82.00
Siemens 3RH1921-1DA11
$25.00
Siemens 3RH1131-1BB40
$80.00
Overview
Sirius Motor Protection & Starters
Sirius Motor Protection & Starters is a product family from Siemens engineered for industrial automation. This family covers a broad range of SKUs used across discrete manufacturing, process control, motion, and machine safety applications. Each component is selected for proven field reliability and long-term parts availability.
Palm Parts Solution stocks new, surplus, and refurbished units from this family with worldwide shipping and a standard warranty.
Machine down? We ship Sirius Motor Protection & Starters 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.
Common Applications
Typical Applications
- Discrete manufacturing and assembly lines
- Process control (chemical, oil & gas, water)
- Material handling and conveyors
- Packaging and bottling
- Machine tools and CNC
- Building automation and HVAC
Common Faults
Common Faults
- Capacitor degradation after 7–10 years of service
- Communication errors after firmware drift
- Input/output channel failure from over-voltage events
- Cooling fan failure causing thermal shutdown
- Connector wear in high-vibration installations
Troubleshooting Basics
Troubleshooting
- Confirm supply voltage and grounding
- Inspect diagnostic LEDs and fault codes
- Verify firmware/configuration matches the application
- Swap with a known-good unit to isolate the fault
- Check field wiring and termination
Replacement Options
Replacement Options
- Direct OEM replacement (preferred)
- Refurbished OEM unit (cost-effective)
- Compatible cross from the same manufacturer's current catalog
- Equivalent from an alternative manufacturer (engineering review required)
Migration Recommendations
Migration Path
When migrating away from discontinued units, plan for: firmware compatibility, wiring changes, software/configuration migration, spare-parts stock, and field commissioning. Palm Parts Solution can supply both the current generation and stock of the legacy unit while you plan the migration.
Compatibility
Compatibility
Units in this family are compatible with the manufacturer's standard control architecture, communication protocols (where applicable), and accessory ecosystem. Always cross-reference the exact catalog number, firmware revision, and hardware series before installation.
Advantages
Key Advantages
- Proven industrial reliability with long MTBF
- Wide ecosystem of compatible accessories and spares
- Strong worldwide support and documentation
- Designed for harsh industrial environments
- Backwards compatibility with legacy installations
Series in this family
3RH/3RT Contactors (Sirius) series — specifications, replacements, and availability. New, surplus, and refurbished stock with warranty.
3RV Motor Protection Circuit Breakers series — specifications, replacements, and availability. New, surplus, and refurbished stock with warranty.
3RW Soft Starters series — specifications, replacements, and availability. New, surplus, and refurbished stock with warranty.
Frequently Ordered Together
Frequently Ordered
Customers ordering from this family frequently pair the unit with matching cables, terminal blocks, mounting kits, and surge protection. Contact our team for a complete BOM review.
Compatible & related families
Why Buy From PALM Parts Solution
DHL, FedEx, UPS — door-to-door in 1-4 business days.
In-stock orders placed before 3pm ET ship the same day.
New, surplus and refurbished Siemens inventory ready to ship.
24/7 emergency sourcing for production-critical failures.
Custom pricing on volume, repair, and hard-to-find SKUs.
Talk to engineers, not call-center agents.
We hunt down discontinued and obsolete parts globally.
Lifecycle-end Siemens parts — sourced, tested, warrantied.
Frequently asked questions
What is the Sirius Motor Protection & Starters family used for?
The Sirius Motor Protection & Starters 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 Motor Protection & Starters parts still available?
Yes. We stock new surplus, refurbished and end-of-life Sirius Motor Protection & Starters 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 Motor Protection & Starters replacement?
Match the catalog number printed on the Sirius Motor Protection & Starters 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 Motor Protection & Starters parts come tested?
Every Sirius Motor Protection & Starters unit we ship is functionally tested against Siemens OEM specifications. Refurbished items include a 1-year warranty and a full inspection report on request.