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Siemens 3RT2023-1AB00 9A Contactor – 24V AC Coil

Siemens 3RT2023-1AB00 9A Power Contactor with 24V AC coil and screw terminals.

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ManufacturerSiemens

Part number3RT2023-1AB00

Type Power Contactor

AC-3e/AC-3 Rating 9A

Power 4 kW / 400 V

Poles 3

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

Product description

The Siemens 3RT2023-1AB00 is a 3-pole power contactor designed for AC-3e/AC-3 applications, rated at 9A and 4 kW at 400V. This model operates with a 24V AC coil and is equipped with 1 normally open (NO) and 1 normally closed (NC) auxiliary contact. It features screw terminals and is in size S0.

This contactor is well-suited for motor control, switching, and general industrial automation tasks where a standard AC coil and screw terminal connections are preferred. Its 9A rating makes it suitable for smaller motor loads and control circuits.

Source the Siemens 3RT2023-1AB00 from Stanlo Automation, your veteran-owned provider of quality surplus industrial automation parts. We ensure competitive pricing and reliable availability to support your operational needs.

Technical specifications

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

Common applications

Motor control

Industrial automation

Control panels

Switching small loads

General purpose switching

Compatible systems

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

Also known as

Siemens 3RT2023 Contactor Siemens S0 Contactor 3RT2023-1AB00

Replaces / compatible with

This contactor is a direct replacement for other Siemens 3RT2023 series contactors with similar specifications and 24V AC coil voltage.

Technical note

Expert tip

Ensure that the 50 Hz frequency is specified for the 24V AC coil, as it may not be suitable for 60 Hz systems without checking specifications.

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Frequently asked questions

What is the auxiliary contact configuration of the Siemens 3RT2023-1AB00?

The Siemens 3RT2023-1AB00 power contactor features one normally open (NO) and one normally closed (NC) auxiliary contact. This combination is useful for basic signaling and interlocking functions in control circuits.