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Siemens 3RQ3018-2AB01 Phased-Out Coupler - Spring Terminals

Siemens 3RQ3018-2AB01 phased-out output coupler with spring terminals.

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ManufacturerSiemens

Part number3RQ3018-2AB01

Contacts 1 CO (Hard Gold-Plated)

Voltage 24V AC/DC

Width 6.2 mm

Terminals Spring-loaded (Push-in)

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1 Changeover Contact Hard Gold-Plated Contacts 24V AC/DC Operation Spring-loaded (Push-in) Terminals 6A Thermal Current Compact 6.2mm Width

Product description

The Siemens 3RQ3018-2AB01 is an output coupler, now phased-out, with the 3RQ4018-2AB01 identified as its successor. This relay features one change-over (CO) contact with hard gold plating for superior reliability. It operates on 24 V AC/DC and utilizes spring-loaded (push-in) terminals for quick and secure connections. The device has a thermal current rating of 6 A and a compact width of 6.2 mm.

This version is ideal for applications demanding high contact reliability with low-power signals and where the convenience and vibration resistance of spring terminals are advantageous. It serves as an efficient interface between low-voltage control signals and higher power outputs in automation systems.

Stanlo Automation, a veteran-owned supplier of surplus industrial automation parts, offers the Siemens 3RQ3018-2AB01. Secure this component for your inventory or projects and benefit from our commitment to quality parts and exceptional service.

Technical specifications

Contacts	1 CO (Hard Gold-Plated)
Voltage	24V AC/DC
Width	6.2 mm
Terminals	Spring-loaded (Push-in)
Thermal Current	6 A
Status	Phased-out

Common applications

PLC Output Interfacing

Signal Isolation

Automation Control

Machine Wiring

Vibration-Prone Environments

Compatible systems

Automation control panels PLC output modules Industrial control systems

Also known as

Siemens 3RQ3018-2AB01 Siemens Spring Terminal Coupler

Replaces / compatible with

This is a phased-out product, replaced by the Siemens 3RQ4018-2AB01. It functions as a high-reliability output interface for automation control.

Technical note

Expert tip

The combination of hard gold-plated contacts and spring terminals makes this an excellent choice for reliable, fast-paced installations in control cabinets.

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Frequently asked questions

What are the advantages of the spring-loaded terminals on the Siemens 3RQ3018-2AB01?

The spring-loaded (push-in) terminals on the Siemens 3RQ3018-2AB01 offer tool-free wiring, speeding up installation and maintenance. They also provide a secure connection that is resistant to vibration, common in industrial settings.