cBallast
Industrial Parts Catalog
Datasheet generated 2026-10-07
sales@cballast.com
cballast.com

Siemens SIRIUS 3RT20 contactor, frame size S0 3RT2028-1AF00

Siemens · Electrical Components · Contactors · Germany · siemens.com
Part Number
3RT2028-1AF00  ·  HS 8536.90
Siemens SIRIUS 3RT20 contactor, frame size S0 3RT2028-1AF00

Siemens 3RT2028-1AF00 — SIRIUS 3RT20 contactor, frame size S0. AC-3 rated up to 38 A at 400 V, 3-pole. Contactor 18.5KW,1NO+1NC, AC 110V S0.

Technical Specifications

Manufacturer part number (MPN)3RT2028-1AF00
EAN / GTIN4011209833746
HS code8536.90
Sales unitpcs
Frame sizeS0
Width45 mm
Height85 mm
Depth97 mm
Rated operation power at AC-3, 400 V18.5 kW
Number of normally open contacts as main contact3
Number of auxiliary contacts as normally open contact1
Number of auxiliary contacts as normally closed contact1
Rated operation current Ie at AC-3, 400 V38 A
Rated operation current Ie at AC-1, 400 V50 A
Type of electrical connection of main circuitScrew connection
Operating voltage AC 50 Hz690 V
Operating voltage AC 60 Hz690 V
Voltage type for actuatingAC
Rated operation current Ie at AC-4, 400 V22 A
Rated operation power at AC-4, 400 V11 kW
Rated operation power NEMA25 kW
Country of originGermany

Properties

MOQ1

Cross-References

Attached Documents