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Datasheet generated 2026-10-07
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Siemens SIRIUS 3RT2038-1AL20 Power Contactor, 80 A / 37 kW at 400 V AC-3, 230 V AC Coil

Siemens · Electrical Components · Contactors · Germany · siemens.com
Part Number
3RT2038-1AL20  ·  HS 8536.49
Siemens SIRIUS 3RT2038-1AL20 Power Contactor, 80 A / 37 kW at 400 V AC-3, 230 V AC Coil

Siemens 3RT2038-1AL20 is a SIRIUS three-pole power contactor rated 80 A / 37 kW at AC-3, 400 V with a 230 V AC 50/60 Hz control coil. The screw-terminal contactor measures 55 x 114 x 130 mm and is supplied with one NO and one NC auxiliary contact. It is used to switch three-phase motor loads in industrial control panels and machinery.

Technical Specifications

Manufacturer part number (MPN)3RT2038-1AL20
EAN / GTIN4011209940734
Sales unitpcs
Voltage400 V
Power37 kW
Rated current80 A
Width55 mm
Height114 mm
Depth130 mm
Suitable for distribution boardYes
Rated operation power at AC-3, 400 V37 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 V80 A
Rated operation current Ie at AC-1, 400 V90 A
Rated control supply voltage AC 50 Hz230 V
Rated control supply voltage AC 60 Hz230 V
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 V55 A
Rated operation power at AC-4, 400 V30 kW
Rated operation power NEMA50 kW
Country of originGermany

Properties

MOQ1

Cross-References

Attached Documents