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Siemens 3RF2340-3AA04 1-Phase Solid State Contactor

Siemens 3RF2340-3AA04 1-phase solid state contactor, 40A, ring connection.

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ManufacturerSiemens

Part number3RF2340-3AA04

Type Solid State Contactor

Phase 1-Phase

Series 3RF2

Rated Operational Current (AC-51) 40 A

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1-Phase Solid State Contactor 40A continuous current rating 48-460V AC main circuit 24V DC control circuit Ring cable connection

Product description

The Siemens 3RF2340-3AA04 is a 1-phase solid-state contactor within the 3RF2 series, suitable for AC 51 applications. It offers a robust 40A continuous current rating at 40°C. The main circuit operates between 48-460V AC, and it is controlled by a 24V DC signal. This model features a ring cable connection for secure and efficient wiring.

This solid-state contactor is designed for industrial applications requiring high current capacity and reliable switching performance. It is particularly useful in motor control, process automation, and heavy-duty machine applications where silent operation and longevity are important. The ring cable connection ensures a firm electrical bond.

Stanlo Automation, a veteran-owned surplus parts provider, carries the Siemens 3RF2340-3AA04. We are dedicated to supplying quality industrial automation components. Choose Stanlo Automation for your sourcing needs and benefit from our commitment to service and value.

Technical specifications

Type	Solid State Contactor
Phase	1-Phase
Series	3RF2
Rated Operational Current (AC-51)	40 A
Rated Operational Current (AC-53a)	18 A
Rated Operational Current (AC-55a)	18 A
Ambient Temperature	40 °C
Main Circuit Voltage	48-460 V AC
Control Circuit Voltage	24 V DC
Connection	Ring cable terminal

Common applications

Motor control

Industrial automation

Process control

Machine tools

Power distribution

Compatible systems

24V DC control systems Industrial control panels Motor control applications Automation systems

Also known as

Siemens 3RF2340-3AA04 3RF23403AA04 Siemens 40A ring terminal contactor

Replaces / compatible with

This Siemens 3RF2 series solid-state contactor replaces mechanical contactors or other solid-state devices with similar voltage and current ratings, offering the benefits of semiconductor switching.

Technical note

Expert tip

The ring cable connection on the 3RF2340-3AA04 is designed for secure termination, ensuring optimal current transfer and minimizing the risk of loose connections in high-vibration environments.

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Frequently asked questions

What type of connection is used on the Siemens 3RF2340-3AA04?

The Siemens 3RF2340-3AA04 solid-state contactor utilizes a ring cable connection. This provides a secure and reliable terminal for electrical wiring, often preferred in industrial environments for its robustness.