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Siemens 3RT2038-1AC20 SIRIUS 3-Pole Power Contactor - 80A 24V AC 50/60Hz

Siemens SIRIUS 3RT20 3-pole power contactor

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ManufacturerSiemens

Part number3RT2038-1AC20

Poles 3

Rated Current (AC-3e/AC-3) 80A

Rated Power (AC-3) 37kW @ 400V

Coil Voltage 24V AC 50/60Hz

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Veteran-owned

CAGE: 9NK75

3-pole design 80A AC-3e/AC-3 rating 24V AC 50/60Hz coil Integrated 1 NO + 1 NC auxiliary contacts Screw main circuit terminals Size S2

Product description

The Siemens 3RT2038-1AC20 is a robust 3-pole power contactor from the SIRIUS 3RT2 series, engineered for reliable switching of heavy industrial loads. It features an 80A (AC-3e/AC-3) rating and supports motor applications up to 37kW at 400V. This Size S2 contactor is equipped with screw terminals for the main circuit and operates with a 24V AC coil that functions across both 50Hz and 60Hz frequencies.

This contactor is ideal for Direct On Line (DOL) motor starting and other high-power switching applications in sectors such as manufacturing, processing, and material handling. Its dual-frequency coil ensures compatibility in regions with different power grid standards.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RT2038-1AC20. We are dedicated to providing high-quality industrial components with competitive pricing and rapid delivery, ensuring your operations remain uninterrupted.

Technical specifications

Poles	3
Rated Current (AC-3e/AC-3)	80A
Rated Power (AC-3)	37kW @ 400V
Coil Voltage	24V AC 50/60Hz
Auxiliary Contacts	1 NO + 1 NC
Main Circuit Terminals	Screw
Size	S2

Common applications

Motor Control

Industrial Machinery

Manufacturing

Material Handling

Power Switching

Compatible systems

Suitable for integration into a wide range of industrial control panels and automation systems.

Also known as

Siemens SIRIUS 3RT2038-1AC20 3RT20381AC20 Siemens 80A Contactor 24V

Replaces / compatible with

The Siemens 3RT2038-1AC20 is a modern replacement for older Siemens 3RT1045-1AC20 models and is part of the SIRIUS 3RT2 series.

Technical note

Expert tip

The dual-frequency capability of the 24V AC coil simplifies inventory for businesses operating in regions with different standard electrical frequencies.

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Frequently asked questions

Can the Siemens 3RT2038-1AC20 contactor be used with both 50Hz and 60Hz power systems?

Yes, the Siemens 3RT2038-1AC20 features a 24V AC coil that is designed to operate reliably on both 50Hz and 60Hz power frequencies, making it versatile for international applications.