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Siemens 3RT2023-1AC20 9A Contactor – 24V AC Coil

Siemens 3RT2023-1AC20 9A Power Contactor with 24V AC 50/60Hz coil.

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ManufacturerSiemens

Part number3RT2023-1AC20

Type Power Contactor

AC-3e/AC-3 Rating 9A

Power 4 kW / 400 V

Poles 3

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12-month warranty

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Veteran-owned

CAGE: 9NK75

AC-3e/AC-3 rated 9A current 4kW power 24V AC coil 50/60 Hz operation 1 NO + 1 NC auxiliary contacts Screw terminals Size S0

Product description

The Siemens 3RT2023-1AC20 is a 3-pole power contactor rated for AC-3e/AC-3 applications, handling 9A and 4 kW at 400V. This model is designed with a 24V AC coil that operates on both 50Hz and 60Hz frequencies. It includes 1 normally open (NO) and 1 normally closed (NC) auxiliary contact, and features screw terminals in size S0.

This contactor is ideal for a wide range of motor control and switching applications in industrial settings, offering flexibility with its dual-frequency coil compatibility and standard screw terminals.

Stanlo Automation, a veteran-owned distributor, offers the Siemens 3RT2023-1AC20. We are committed to providing high-quality surplus industrial automation parts and reliable service to keep your operations running smoothly.

Technical specifications

Type	Power Contactor
AC-3e/AC-3 Rating	9A
Power	4 kW / 400 V
Poles	3
Coil Voltage	24 V AC (50/60 Hz)
Auxiliary Contacts	1 NO + 1 NC
Terminals	Screw terminal
Size	S0

Common applications

Motor control

Industrial automation

Control panels

Global applications

Switching inductive loads

Compatible systems

Compatible with Siemens 3RH21 auxiliary contact blocks and suitable for use with standard Siemens motor protection relays across different frequencies.

Also known as

Siemens 3RT2023 AC Contactor 50/60Hz Siemens S0 Contactor 24V AC 3RT2023-1AC20

Replaces / compatible with

This contactor is suitable for replacing Siemens 3RT2023 series contactors requiring a 24V AC coil that operates on both 50Hz and 60Hz frequencies.

Technical note

Expert tip

The 50/60 Hz coil capability simplifies inventory for integrators working with diverse global power standards.

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Frequently asked questions

Can the Siemens 3RT2023-1AC20 be used in both 50Hz and 60Hz systems?

Yes, the Siemens 3RT2023-1AC20 is designed with a 24V AC coil that is compatible with both 50Hz and 60Hz power frequencies. This makes it a versatile choice for international applications or systems that may change frequencies.