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Siemens 3RT2023-1BB40 3-Pole Power Contactor — 9A 24V DC

Siemens 3RT2023-1BB40 3-pole power contactor.

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ManufacturerSiemens

Part number3RT2023-1BB40

Type Power Contactor

Manufacturer Siemens

Part Number 3RT2023-1BB40

Poles 3

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AC-3e/AC-3 rated 9A switching capacity 24V DC coil 1 NO + 1 NC auxiliary contacts Screw terminal connections Size S0

Product description

The Siemens 3RT2023-1BB40 is a 3-pole power contactor designed for AC-3e/AC-3 duty, rated for 9 A and 4 kW at 400 V. This unit operates with a 24 V DC coil and includes one normally open (NO) and one normally closed (NC) auxiliary contact. It features screw terminals for secure connections and is housed in the S0 size frame.

This contactor is essential for motor control and power switching applications in industrial automation, manufacturing, and process control systems. Its DC coil is suitable for control circuits powered by DC sources.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RT2023-1BB40. We are committed to providing quality industrial automation components to help our clients maintain and optimize their operations efficiently.

Technical specifications

Type	Power Contactor
Manufacturer	Siemens
Part Number	3RT2023-1BB40
Poles	3
Rated Operational Current (AC-3e/AC-3)	9 A
Rated Operational Power (AC-3e/AC-3)	4 kW at 400 V
Coil Voltage	24 V DC
Auxiliary Contacts	1 NO + 1 NC
Terminal Type	Screw Terminal
Size	S0

Common applications

Motor Control

Industrial Automation

Control Panels

Manufacturing

Process Control

DC Control Systems

Compatible systems

Industrial control panels Motor starter assemblies DC control systems

Also known as

Siemens 3RT2023-1BB40 Contactor Siemens S0 Contactor 24V DC 3RT20 Series Contactor

Replaces / compatible with

Compatible with Siemens 3RT2 series accessories.

Technical note

Expert tip

When using a 24V DC coil, ensure the control voltage source is stable and correctly rated to prevent coil damage or malfunction.

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Frequently asked questions

What is the auxiliary contact configuration for the Siemens 3RT2023-1BB40?

The Siemens 3RT2023-1BB40 power contactor includes a standard auxiliary contact block with one normally open (NO) and one normally closed (NC) contact. This provides versatile options for integration into control logic.