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Siemens 3RF2171-1AA45-1KP0 1-Phase Semiconductor Relay - 70A

Siemens 3RF2171-1AA45-1KP0 1-Phase Semiconductor Relay

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ManufacturerSiemens

Part number3RF2171-1AA45-1KP0

Type Semiconductor Relay

Phase 1-Phase

Current Rating 70 A

Control Voltage 48-600 V AC / 4-30 V DC

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1-Phase operation 70A current rating 48-600V AC or 4-30V DC control High 1200V blocking voltage Screw terminals 22.5mm width Special inscription version

Product description

The Siemens 3RF2171-1AA45-1KP0 is a 1-phase semiconductor relay from the SIRIUS 3RF2 series, designed for robust power control applications. It offers a 22.5 mm width, a 70 A rated operational current, and operates with a control voltage of 48-600 V AC or 4-30 V DC. This model includes a blocking voltage of 1200 V and features screw terminals for secure connections. It is a special inscription version, possibly for custom applications.

This semiconductor relay is well-suited for demanding industrial environments where precise control of single-phase loads is required. Its high blocking voltage makes it reliable for various applications in machine building, process automation, and power distribution systems.

Stanlo Automation, your veteran-owned surplus parts supplier, is pleased to offer components like the Siemens 3RF2171-1AA45-1KP0. We understand the importance of sourcing specific and sometimes hard-to-find parts to keep your industrial operations running efficiently.

Technical specifications

Type	Semiconductor Relay
Phase	1-Phase
Current Rating	70 A
Control Voltage	48-600 V AC / 4-30 V DC
Blocking Voltage	1200 V
Terminals	Screw
Width	22.5 mm
Series	SIRIUS 3RF2

Common applications

Industrial Automation

Machine Control

Power Distribution

Process Automation

Demanding Environments

Custom Applications

Compatible systems

Industrial control systems PLC outputs Machine control interfaces

Also known as

Siemens 3RF2171-1AA45-1KP0 SSR SIRIUS 3RF2 Custom Relay 3RF21711AA451KP0 Siemens

Replaces / compatible with

This part is part of the Siemens SIRIUS 3RF2 series. Specific replacements depend on the original application and its requirements.

Technical note

Expert tip

This is a special inscription version, indicating it may have custom features or markings not standard to the base model. Verify specific requirements if adapting for a new application.

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Frequently asked questions

What is the blocking voltage of the Siemens 3RF2171-1AA45-1KP0 semiconductor relay?

The Siemens 3RF2171-1AA45-1KP0 semiconductor relay features a high blocking voltage of 1200 V. This specification is crucial for applications requiring enhanced protection against voltage transients and for ensuring safe operation in high-voltage environments.