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Siemens 3RF3405-1BD04 3-Phase Solid-State Contactor - 5.4A, 48-480V

Siemens 3RF3405-1BD04 3-phase solid-state reversing contactor.

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ManufacturerSiemens

Part number3RF3405-1BD04

Type Solid-State Contactor

Phase 3-phase

Current 5.4 A / 40 °C

Voltage 48-480 V

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3-phase solid-state switching 5.4A continuous current 48-480V AC operation 24V DC control Reversing circuit capability Instantaneous switching

Product description

The Siemens 3RF3405-1BD04 is a 3-phase solid-state contactor from the 3RF3 series, designed for reliable switching in industrial applications. It provides AC 53 ratings with a continuous current of 5.4A at 40°C and a wide operating voltage range of 48-480V. The control voltage is 24V DC, and it features an instantaneous switching capability for immediate response.

This solid-state contactor is well-suited for applications requiring frequent switching or precise control of 3-phase loads, such as small motor reversing applications, conveyor systems, and fan control. Its compact design and screw terminals facilitate easy integration into control panels across various industries, including food and beverage, packaging, and general manufacturing.

Stanlo Automation, a veteran-owned distributor, offers the Siemens 3RF3405-1BD04 to meet your industrial automation needs. We specialize in providing reliable surplus parts, ensuring you receive quality components to maintain and optimize your equipment efficiently.

Technical specifications

Type	Solid-State Contactor
Phase	3-phase
Current	5.4 A / 40 °C
Voltage	48-480 V
Control Voltage	24 V DC
Circuit	Reversing
Switching	Instantaneous
Terminals	Screw

Common applications

Small motor reversing

Conveyor systems

Fan control

Packaging machinery

Food and beverage automation

Control panel components

Compatible systems

Control systems requiring 24V DC input for 3-phase AC load switching

Also known as

Siemens 3RF3 contactor 3RF3405 reversing contactor Siemens solid state relay

Replaces / compatible with

Designed as a modern solid-state alternative to traditional electromechanical reversing contactors for specific load requirements.

Technical note

Expert tip

When used in reversing applications, ensure proper interlock logic is implemented in the control system to prevent simultaneous activation of both contactors.

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Frequently asked questions

What is the current rating and voltage range for the Siemens 3RF3405-1BD04?

The Siemens 3RF3405-1BD04 solid-state contactor has a current rating of 5.4A at 40°C and an operating voltage range of 48-480V AC. It is controlled by a 24V DC signal and features a reversing circuit.