Siemens SIRIUS 3RT20 contactor, frame size S0 3RT2028-1BB44
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Product Description
Siemens 3RT2028-1BB44 — SIRIUS 3RT20 contactor, frame size S0. AC-3 rated up to 38 A at 400 V, 3-pole. Contactor 40A, 24V DC 2NO+2NC.
Technical Specifications
- Manufacturer part number (MPN)
- 3RT2028-1BB44
- EAN / GTIN
- 4011209837911
- HS code
- 8536.90
- Sales unit
- pcs
- Frame size
- S0
- Width
- 45 mm
- Height
- 85 mm
- Depth
- 151 mm
- Rated operation power at AC-3, 400 V
- 18.5 kW
- Number of normally open contacts as main contact
- 3
- Number of auxiliary contacts as normally open contact
- 2
- Number of auxiliary contacts as normally closed contact
- 2
- Rated operation current Ie at AC-3, 400 V
- 38 A
- Rated operation current Ie at AC-1, 400 V
- 50 A
- Type of electrical connection of main circuit
- Screw connection
- Operating voltage AC 50 Hz
- 690 V
- Operating voltage AC 60 Hz
- 690 V
- Voltage type for actuating
- DC
- Rated operation current Ie at AC-4, 400 V
- 22 A
- Rated operation power at AC-4, 400 V
- 11 kW
- Rated operation power NEMA
- 25 kW
- Country of origin
- Germany
Standards & Compliance
- HS Code
- 8536.90
Cross References
- EAN 4011209837911
- SAP 1000097825
- Code 8963893
Product Documentation
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Technical guides
Catalogue entry last verified: 2026-09-29. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy 3RT2028-1BB44?
- 3RT2028-1BB44 can be ordered from cballast.com as a Siemens catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this Siemens product?
- The manufacturer part number is 3RT2028-1BB44.
- What is the HS code for 3RT2028-1BB44?
- The customs tariff (HS) code for 3RT2028-1BB44 is 8536.90.
- Who manufactures 3RT2028-1BB44?
- 3RT2028-1BB44 is a Siemens product in the Electrical Components range.
- Is a datasheet available for 3RT2028-1BB44?
- Yes — the 3RT2028-1BB44 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 3RT2028-1BB44?
- The minimum order quantity is 1.
- Is 3RT2028-1BB44 available?
- Yes — 3RT2028-1BB44 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).