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Siemens SIRIUS 3RT20 contactor, frame size S0 3RT2028-1BB40

Part number3RT2028-1BB40EAN / GTIN4011209833821HS code8536.90
MOQ:1

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Product Description

Siemens 3RT2028-1BB40 — SIRIUS 3RT20 contactor, frame size S0. AC-3 rated up to 38 A at 400 V, 3-pole. Contactor 40A, 24V DC 1NO+1NC.

Technical Specifications

Manufacturer part number (MPN)
3RT2028-1BB40
EAN / GTIN
4011209833821
HS code
8536.90
Sales unit
pcs
Frame size
S0
Width
45 mm
Height
85 mm
Depth
107 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
1
Number of auxiliary contacts as normally closed contact
1
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 4011209833821
  • SAP 1000097824
  • Code 8895519

Product Documentation

Document preview: Siemens 3RT2028-1BB40 — OEM Datasheet

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 3RT2028-1BB40?
3RT2028-1BB40 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 3RT2028-1BB40.
What is the HS code for 3RT2028-1BB40?
The customs tariff (HS) code for 3RT2028-1BB40 is 8536.90.
Who manufactures 3RT2028-1BB40?
3RT2028-1BB40 is a Siemens product in the Electrical Components range.
Is a datasheet available for 3RT2028-1BB40?
Yes — the 3RT2028-1BB40 datasheet can be viewed and downloaded on this page.
What is the minimum order quantity for 3RT2028-1BB40?
The minimum order quantity is 1.
Is 3RT2028-1BB40 available?
Yes — 3RT2028-1BB40 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).