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Siemens 3RT2023-2BB40 9A 3-Pole Contactor, Spring-Loaded Terminals

Siemens 3RT2023-2BB40 9A 3-pole power contactor with 24V DC coil and spring terminals.

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ManufacturerSiemens

Part number3RT2023-2BB40

Poles 3

AC-3e/AC-3 Rating 9 A

Power Rating 4 kW / 400 V

Coil Voltage 24 V DC

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Veteran-owned

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AC-3e/AC-3 rated 9A current capacity 24V DC coil 1 NO + 1 NC auxiliary contacts Spring-loaded terminals Vibration resistant connection

Product description

The Siemens 3RT2023-2BB40 is a 3-pole power contactor for AC-3e/AC-3 duty, rated for 9A and 4kW at 400V. It is equipped with a 24V DC coil and features 1 normally open (NO) and 1 normally closed (NC) auxiliary contact. A key feature is its spring-loaded terminals, which offer vibration resistance and faster termination compared to screw terminals. This size S0 contactor is designed for reliable operation.

This contactor is well-suited for applications requiring robust connections and quick installation, such as in control cabinets and systems subject to vibration. It finds use in motor control, automation, and machinery in industries like material handling, packaging, and general manufacturing. The spring terminals ensure a secure connection in dynamic environments.

Stanlo Automation, a veteran-owned supplier, offers the Siemens 3RT2023-2BB40 surplus power contactor. We provide efficient sourcing and quick delivery of essential industrial automation components, ensuring you receive high-quality parts at competitive prices.

Technical specifications

Poles	3
AC-3e/AC-3 Rating	9 A
Power Rating	4 kW / 400 V
Coil Voltage	24 V DC
Auxiliary Contacts	1 NO + 1 NC
Terminals	Spring-loaded
Size	S0

Common applications

Motor control

Automation systems

Control cabinets

Industrial machinery

Packaging machines

Material handling

Compatible systems

Industrial Control Panels Automation Systems Machinery

Also known as

Siemens 3RT2023-2BB40 Contactor Siemens S0 Spring Terminal Contactor 3RT20 Contactor

Replaces / compatible with

This contactor is a suitable replacement for other Siemens 3RT2023 series devices with 24V DC coils and similar ratings. Confirm compatibility with existing wiring and control systems.

Technical note

Expert tip

The spring-loaded terminals on the 3RT2023-2BB40 are designed for solid or fine-stranded conductors without ferrules, providing a secure and maintenance-free connection.

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Frequently asked questions

What is the advantage of spring-loaded terminals on the Siemens 3RT2023-2BB40?

Spring-loaded terminals offer a vibration-resistant connection that maintains reliable contact pressure over time, and they allow for faster wire termination compared to traditional screw terminals.