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Siemens 3RQ3018-1AB00 Phased-Out Output Coupler Relay

Siemens 3RQ3018-1AB00 phased-out output coupler relay with 1 CO contact.

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ManufacturerSiemens

Part number3RQ3018-1AB00

Contacts 1 CO

Voltage 24V AC/DC

Width 6.2 mm

Terminals Screw

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1 Changeover Contact 24V AC/DC Operation Screw Terminal Connection 6A Thermal Current Compact 6.2mm Width Phased-out Product

Product description

The Siemens 3RQ3018-1AB00 is an output coupler relay, now a phased-out product, with its preferred successor being the 3RQ4018-1AB00. This unit provides one change-over (CO) contact and operates with a 24 V AC/DC control voltage. It features standard screw terminals for connections and has a thermal current rating of 6 A. The device has a compact width of 6.2 mm, making it suitable for space-constrained applications.

This output coupler was designed for interfacing control signals, such as from PLCs, to higher power loads. It serves to protect sensitive control circuitry by providing isolation and acting as a buffer. Its applications include machine control, automation systems, and signal conditioning where a simple, reliable output interface is needed.

Stanlo Automation, a veteran-owned distributor specializing in surplus industrial parts, offers the Siemens 3RQ3018-1AB00. Secure this component while available, and leverage our commitment to quality and service for your industrial automation needs.

Technical specifications

Contacts	1 CO
Voltage	24V AC/DC
Width	6.2 mm
Terminals	Screw
Thermal Current	6 A
Status	Phased-out

Common applications

PLC Output Interface

Signal Isolation

Machine Control

Automation Panels

Load Switching

Compatible systems

PLCs with 24V DC outputs Control systems Automation interfaces

Also known as

Siemens 3RQ3018-1AB00 Siemens Output Coupler Relay

Replaces / compatible with

This product is phased-out, and the preferred successor is the Siemens 3RQ4018-1AB00. It serves as an output interface for control signals.

Technical note

Expert tip

As a phased-out product, ensure availability and consider the successor 3RQ4018-1AB00 for new designs or long-term support.

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Frequently asked questions

What is the successor for the Siemens 3RQ3018-1AB00 output coupler relay?

The Siemens 3RQ3018-1AB00 is a phased-out product. The manufacturer specifies the 3RQ4018-1AB00 as its preferred successor, offering similar functionality with updated features or design.