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Siemens 3RF2350-3AA44 1-Phase Solid-State Contactor

Siemens 3RF2350-3AA44 1-phase solid-state contactor.

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ManufacturerSiemens

Part number3RF2350-3AA44

Type Solid-state Contactor

Phase 1-Phase

AC Current Rating (AC-51) 50 A

Temperature Rating 40 °C

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CAGE: 9NK75

Solid-state switching High switching frequency Low noise operation Energy efficient Ring cable connection Compact design

Product description

The Siemens 3RF2350-3AA44 is a 1-phase solid-state contactor from the 3RF2 series. It is rated for AC 51 / 50 A at 40 °C with a main circuit voltage range of 48-460 V and a control voltage of 4-30 V DC. This model features a ring cable connection for secure and reliable wiring.

This solid-state contactor is ideal for applications requiring frequent switching and high reliability, such as motor control, heating, and lighting circuits. It is commonly used in industrial automation, HVAC systems, and machine building where precise and silent operation is essential.

Source your Siemens 3RF2350-3AA44 and other industrial automation surplus parts from Stanlo Automation. As a veteran-owned business, we understand the critical need for dependable components and offer competitive pricing and prompt delivery to keep your operations running smoothly.

Technical specifications

Type	Solid-state Contactor
Phase	1-Phase
AC Current Rating (AC-51)	50 A
Temperature Rating	40 °C
Main Circuit Voltage	48-460 V AC
Control Voltage	4-30 V DC
Connection Type	Ring cable

Common applications

Motor control

Heating control

Lighting control

Industrial automation

HVAC

Machine building

Process control

Compatible systems

General purpose motor control Heating and lighting circuits Industrial control panels

Also known as

Siemens 3RF2 Contactor 3RF2350 Solid State Relay Contactor Siemens 50A Contactor

Replaces / compatible with

Replaces older mechanical contactors where silent operation and frequent switching are required. Check Siemens documentation for specific drop-in replacements.

Technical note

Expert tip

Ensure proper heat dissipation for continuous operation at rated current, especially in higher ambient temperatures.

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Frequently asked questions

What are the main voltage ratings for the Siemens 3RF2350-3AA44?

The Siemens 3RF2350-3AA44 solid-state contactor has a main circuit voltage rating of 48-460 V AC and a control voltage of 4-30 V DC. It is rated for AC 51 / 50 A at 40 °C.