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Siemens 3RF2050-1AA02 Semiconductor Relay - 50A

Siemens 3RF2050-1AA02 1-Phase Semiconductor Relay

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ManufacturerSiemens

Part number3RF2050-1AA02

Type Semiconductor Relay

Phase 1-Phase

Current Rating 50A

Control Voltage 24-230V AC / 24V DC

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12-month warranty

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Veteran-owned

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Solid State Switching 50A Current Capacity Wide Control Voltage Range Compact 45mm Width Screw Terminal Connections Optimized for Heat Sinks

Product description

The Siemens 3RF2050-1AA02 is a 1-phase semiconductor relay designed for switching high currents efficiently and reliably. It features a width of 45 mm and a current rating of 50A, with control input voltage ranging from 24-230V AC or 24V DC. It utilizes screw terminals for connection and is designed for mounting on available cooling surfaces.

This semiconductor relay is suitable for various industrial applications requiring fast and silent switching, such as heating control, motor control, and lighting applications where traditional mechanical relays may be unsuitable due to wear or switching speed limitations.

Stanlo Automation, your trusted veteran-owned source for surplus industrial automation parts, can provide the Siemens 3RF2050-1AA02. Ensure your systems have the reliable components they need with our extensive inventory.

Technical specifications

Type	Semiconductor Relay
Phase	1-Phase
Current Rating	50A
Control Voltage	24-230V AC / 24V DC
Width	45 mm
Terminals	Screw
Mounting	Requires Cooling Surface

Common applications

Industrial Heating Control

Motor Switching

Lighting Control

Process Automation

Power Switching

Compatible systems

Industrial control systems requiring solid-state switching

Also known as

Siemens 50A Solid State Relay 3RF2050 Relay

Replaces / compatible with

Direct replacement for Siemens SIRIUS 3RF20 series semiconductor relays with similar specifications. Ensure voltage and current ratings match.

Technical note

Expert tip

Proper heat sinking is critical for the longevity and performance of this 50A semiconductor relay; undersized or improperly mounted heat sinks will lead to premature failure.

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Frequently asked questions

What type of mounting is required for the Siemens 3RF2050-1AA02 semiconductor relay?

The Siemens 3RF2050-1AA02 semiconductor relay is designed for mounting on available cooling surfaces (heat sinks) to dissipate the heat generated during operation, ensuring optimal performance and longevity.