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Siemens 3RF2320-1AA44 1-Phase Solid State Contactor

Siemens 3RF2 Solid State Contactor, 1-Phase, 20A, 4-30V DC Control

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ManufacturerSiemens

Part number3RF2320-1AA44

Phase 1-Phase

Series 3RF2

Current Rating (AC 51) 20A

Max Temperature 40°C

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Solid-state switching 1-phase operation Low DC control voltage Screw terminals High performance

Product description

The Siemens 3RF2320-1AA44 is a 1-phase solid-state contactor from the 3RF2 series, engineered for precise control. It handles AC 51 loads up to 20A at 40°C, with a load voltage range of 48-460V AC. This unit is controlled by a low DC voltage of 4-30V DC and features reliable screw terminals.

This solid-state contactor is well-suited for applications requiring low-voltage DC control, such as in automated systems and machinery where safety or specific control signal requirements are paramount. Industries include manufacturing, automation, and specialty equipment.

Stanlo Automation, a veteran-owned distributor of surplus industrial automation components, offers the Siemens 3RF2320-1AA44. We provide a reliable source for quality parts, helping you minimize downtime and control costs.

Technical specifications

Phase	1-Phase
Series	3RF2
Current Rating (AC 51)	20A
Max Temperature	40°C
Load Voltage	48-460V AC
Control Voltage	4-30V DC
Terminal Type	Screw

Common applications

Automated machinery

Industrial control systems

Low-voltage DC applications

Process automation

Special equipment

Compatible systems

PLC systems with 4-30V DC output Control systems with low voltage DC signals Industrial automation panels

Also known as

Siemens 3RF2320 3RF2320-1AA44 Siemens

Replaces / compatible with

This contactor is a direct replacement for electro-mechanical versions in applications requiring silent operation or frequent switching. It is designed to interface with low-voltage DC control signals.

Technical note

Expert tip

The low DC control voltage (4-30V DC) is ideal for interfacing with PLCs or other control systems that utilize low-voltage DC signals for switching.

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Frequently asked questions

What is the load voltage and control voltage for the Siemens 3RF2320-1AA44 solid-state contactor?

The Siemens 3RF2320-1AA44 solid-state contactor operates with a load voltage of 48-460V AC and is controlled by a low 4-30V DC signal. This makes it suitable for specific low-voltage control system integrations.