3RF2170-1AA45

The SIRIUS 3RF2170-1AA45 is a Siemens 70A single-phase solid-state contactor with a 48-600VAC output and a 4-30VDC control voltage. It has a 22.5mm width, screw terminal wiring, and a blocking voltage of 1200V. It is suitable for high-current single-phase heating and motor circuits.

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Siemens SIRIUS 3RF2170-1AA45 70A Single-Phase Solid-State Contactor

Product Positioning

The SIRIUS 3RF2170-1AA45 is a 70A single-phase solid-state contactor in the Siemens 3RF2 series. Its narrow 22.5mm housing design makes it suitable for control panel applications with limited space and requiring high-current single-phase switching.

Core Product Advantages and Features

70A high current single-phase output

With a rated current of 70A and an output voltage of 48-600VAC, it can withstand large single-phase load switching.

22.5mm narrow housing

Its compact size allows for dense arrangement within the control panel, saving installation space.

4-30VDC control voltage

It has a wide control input voltage range and is compatible with various controllers and PLC output signals.

Screw terminal wiring design

Both the main circuit and the control circuit use screw terminals, making wiring, construction, and maintenance convenient.

project	Specification
Rated current	70 A
Number of phases	Single phase
Output voltage	48-600 V AC
Control voltage	4-30 V DC
External width	22.5 mm
Protection level	IP20
Blocking voltage	1200 V
Connection method	Screw terminals

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