3RQ3018-2AB00
The Siemens SIRIUS 3RQ3018-2AB00 is a standard 24V AC/DC output coupling relay. It features AgSnO2 contacts, a thermal current of 6A, spring-loaded (insertion-type) terminal wiring, and a housing width of only 6.2mm, making it the most popular model in the 3RQ3018 series.
Product Positioning
The 3RQ3018-2AB00 is the standard contact version of the SIRIUS 3RQ3 output coupling relay 24V specification. It provides one set of switching contacts and is suitable for signal coupling output between general PLC control circuits and field devices.
Core Product Advantages and Features
24V AC/DC coil voltage
The coil accepts 24V AC or DC power, covering most common voltage specifications for PLC digital outputs.
AgSnO2 standard contact
The contacts are made of AgSnO2 silver tin oxide material, which balances conductivity and anti-welding capability during general load switching.
1 set of switching contacts, 6A thermal current
It provides one set of switching (CO) contacts with a thermal current rating of 6A, which can directly drive general loads such as contactor coils.
Spring-loaded terminal quick installation
It adopts spring-loaded (insertion-type) terminals, eliminating the need for screw fastening and facilitating rapid installation of control panels with large amounts of wiring.
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3RQ3018-2AB01
The Siemens SIRIUS 3RQ3018-2AB01 is a 24V AC/DC output coupling relay with AgSnO2 hard gold plating on the contacts, suitable for switching small signals and low currents. It has a thermal current of 6A, spring-loaded terminal wiring, and a housing width of only 6.2mm.
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3RQ3018-1AF00
The Siemens SIRIUS 3RQ3018-1AF00 ultra-thin output coupling relay features one set of switching contacts, a coil voltage of AC/DC 230V, a rated current of 6A, a width of only 6.2mm, a screw terminal design for close mounting on standard DIN rails, and an LED operation indicator. It is suitable for PLC output signal amplification and potential isolation.
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3RQ3018-1AB01
The Siemens SIRIUS 3RQ3018-1AB01 output coupling relay features hard gold-plated contacts, a coil voltage of AC/DC 24V, a rated current of 6A, a housing width of only 6.2mm, and screw terminal wiring, making it suitable for precision switching and reliable conduction applications for low-potential signals.