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Siemens 3RF3405-1BB04 3-Phase Solid State Contactor

Siemens 3RF3 Solid State Contactor, 3-Phase, 5.2A, 24V DC Control

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ManufacturerSiemens

Part number3RF3405-1BB04

Phase 3-Phase

Series 3RF3

Current Rating (AC 53) 5.2A

Max Temperature 40°C

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Veteran-owned

CAGE: 9NK75

Solid-state switching 3-phase operation 2-phase controlled Instantaneous switching 24V DC control Screw terminals

Product description

The Siemens 3RF3405-1BB04 is a 3-phase solid-state contactor from the 3RF3 series, designed for efficient and reliable control. It features AC 53 switching with a 5.2A rating at 40°C. The load voltage range is 48-480V AC, and it is controlled by a 24V DC signal. This contactor uses 2-phase control for instantaneous switching and has screw terminals.

This solid-state contactor is ideal for controlling smaller three-phase loads, such as fans, pumps, and small motors, where instantaneous switching and solid-state reliability are beneficial. It is used in HVAC, building automation, and various industrial machinery.

Stanlo Automation, a veteran-owned distributor of surplus industrial automation components, offers the Siemens 3RF3405-1BB04. We provide access to quality parts to help you maintain and upgrade your automation systems efficiently.

Technical specifications

Phase	3-Phase
Series	3RF3
Current Rating (AC 53)	5.2A
Max Temperature	40°C
Load Voltage	48-480V AC
Control Voltage	24V DC
Control Type	2-phase controlled
Switching	Instantaneous
Terminal Type	Screw

Common applications

Small 3-phase motor control

Fan control

Pump control

HVAC systems

Building automation

Industrial machinery

Compatible systems

3-phase loads up to 5.2A PLC systems with 24V DC output HVAC control systems Automation panels

Also known as

Siemens 3RF3405 3RF3405-1BB04 Siemens

Replaces / compatible with

This 3-phase solid-state contactor can replace electro-mechanical contactors in applications where fast, silent switching is needed. It is specifically designed for 2-phase controlled operation.

Technical note

Expert tip

The 2-phase controlled, instantaneous switching feature provides a faster response time compared to traditional contactors, which can be beneficial in high-speed automation processes.

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Frequently asked questions

What is the control method for the Siemens 3RF3405-1BB04 solid-state contactor?

The Siemens 3RF3405-1BB04 solid-state contactor features 2-phase controlled operation for instantaneous switching. It is controlled by a 24V DC signal, making it suitable for modern automation systems.