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Siemens 3RF2170-1CA04 1-Phase Semiconductor Relay - 70A

Siemens 3RF2170-1CA04 1-Phase Low Noise Semiconductor Relay

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ManufacturerSiemens

Part number3RF2170-1CA04

Type Semiconductor Relay

Phase 1-Phase

Current Rating 70 A

Control Voltage 48-460 V AC / 24 V DC

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CAGE: 9NK75

1-Phase operation 70A current rating Low noise switching Dual control voltage (AC/DC) Screw terminals Narrow 22.5mm width

Product description

The Siemens 3RF2170-1CA04 is a 1-phase semiconductor relay from the SIRIUS 3RF2 series, designed for efficient and quiet operation. It features a 22.5 mm width, a 70 A current rating, and operates with a control voltage of 48-460 V AC or 24 V DC. This relay is equipped with screw terminals and is designed for low-noise switching, making it suitable for sensitive applications.

This low-noise semiconductor relay is utilized in various industrial settings, including applications where audible noise from switching is a concern. It is effective in machine control, automation systems, and environments requiring quiet operation, such as building automation or specialized manufacturing.

Stanlo Automation, a veteran-owned surplus parts distributor, stocks essential components like the Siemens 3RF2170-1CA04. We are dedicated to providing reliable and cost-effective solutions for your industrial automation needs, ensuring you can source quality surplus parts with confidence.

Technical specifications

Type	Semiconductor Relay
Phase	1-Phase
Current Rating	70 A
Control Voltage	48-460 V AC / 24 V DC
Noise	Low Noise
Terminals	Screw
Width	22.5 mm
Series	SIRIUS 3RF2
IP Rating	IP20

Common applications

Industrial Automation

Machine Control

Control Panels

Quiet Operation Environments

HVAC

Process Control

Compatible systems

Industrial control systems PLC outputs Machine control interfaces

Also known as

Siemens 3RF2170-1CA04 SSR SIRIUS 3RF2 Low Noise Relay 3RF21701CA04 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

The low-noise feature is achieved through specific semiconductor design, making it suitable for applications where electromagnetic interference (EMI) might also be a consideration.

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Frequently asked questions

What is the advantage of the Siemens 3RF2170-1CA04's low-noise switching?

The Siemens 3RF2170-1CA04 features low-noise switching, which significantly reduces the audible noise generated during operation. This makes it ideal for installations in noise-sensitive environments where traditional relays might be disruptive.