Siemens World Series 3TB Replacement Contactors
BRAH Electric lists 10 aftermarket replacement parts for Siemens World Series type 3TB equipment, cross-referenced to 10 OEM part numbers: Contactors (10). Each of those OEM part numbers has its own listing next to the BRAH part that replaces it, so the results below count both.
Siemens 3TB is one type series in the Siemens World Series family, which holds 392 BRAH parts in all. Amperage ratings: Contactors 9A to 32A. For example, B3TB40 replaces 3TB40 and B3TB4022 replaces 3TB4022.
How do I find the replacement for my Siemens World Series part?
To find a part, search for the OEM part number printed on the part you are replacing, or use the cross-reference table at the bottom of this page, which lists every BRAH part beside the part numbers it replaces. BRAH parts carry a 2-year warranty from the date of invoice. In-stock items ordered before 3:00 PM Pacific ship the same business day. Need help confirming a match? Call (855) 355-2724.



Why BRAH Electric?
We're the industry leader in direct replacement.






Need Assistance?
Our support team is here to assist you with any inquiries or issues. Get in touch for personalized support.
Contact us

30-day returns
Returns accepted within 30 days of shipment with an RMA; a 25–50% restocking charge applies.



Siemens 3TB part number cross-reference
Contactors
Type 3TB, B3TB
| BRAH part | Rating | OEM part numbers replaced |
|---|---|---|
| B3TB40 | 110/120VAC | 3TB40 |
| B3TB4022 | 110/120VAC | 3TB4022 |
| B3TB41 | 110/120VAC | 3TB41 |
| B3TB4122 | 110/120VAC | 3TB4122 |
| B3TB42 | 110/120VAC | 3TB42 |
| B3TB4222 | 110/120VAC | 3TB4222 |
| B3TB43 | 110/120VAC | 3TB43 |
| B3TB4322 | 110/120VAC | 3TB4322 |
| B3TB44 | 110/120VAC | 3TB44 |
| B3TB4422 | 110/120VAC | 3TB4422 |
