Relay (electric relay)

The Siemens SIRIUS 3RR2241-1FA30 is an S00-size digital current monitoring relay that can be installed on a 3RT2 contactor, providing digitally adjustable apparent current and effective current monitoring.

The Siemens SIRIUS 3RR2141-1AW30 is a basic S00-size current monitoring relay that monitors two-phase current, with a current range of 1.6~16A, and the threshold value is set by a knob.

The Siemens SIRIUS 3RQ3118-2AB00 is an output coupling relay with a plug-in relay and one set of changeover contacts. It is powered by 24VAC/DC and is suitable for PLC signal isolation and control circuit switching.

The Siemens SIRIUS 3RQ3118-2AM00 is an output coupling relay with a plug-in relay and one set of changeover contacts. It is powered by 24VDC and is only 6.2mm wide, making it suitable for high-density control box installation.

The Siemens SIRIUS 3RQ3118-1AM00 is a pluggable relay output coupling module with one set of normally open contacts, 24V DC coil voltage, screw terminals, and a housing width of 6.2mm. It allows for pluggable replacement of internal relays, facilitating the isolation and coupling maintenance of PLC control circuits and field signals.

The Siemens SIRIUS 3RQ3052-1SM50 is an optocoupler semiconductor output coupling module with a TRIAC three-terminal AC switch output. It has an input of 24V DC, an output of 20-264V AC, a rated current of 2A, and screw terminal wiring. It has no mechanical contacts and is suitable for signal coupling applications that require high switching frequency and long life.

The Siemens SIRIUS 3RQ3052-1SM40 is an optocoupler transistor output coupling module with an input of 24V DC, an output of up to 60V DC, a rated current of 2A, screw terminal wiring, no mechanical contact wear, and is suitable for DC load signal coupling and high-frequency switching applications.

The Siemens SIRIUS 3RQ3050-2SM50 is a low-current optocoupler output coupling module with an input of 24V DC, an output of 10-60V DC, and a rated current of 0.5A. It features spring-loaded (plug-in) terminal connections and no mechanical contacts, making it suitable for high-frequency switching applications with low-current signals.

The Siemens SIRIUS 3RQ3038-1AF00 is a 230V AC/DC input coupling relay with one set of switching contacts, a thermal current of 6A, screw terminal wiring, and a housing width of only 6.2mm. It is suitable for isolating and converting high-voltage signals in the field into usable signals for control circuits.

The Siemens SIRIUS 3RQ3038-1AE00 is a 115V AC/DC input coupling relay with one set of switching contacts, AgSnO2 silver oxide contacts, a thermal current of 6A, screw terminal wiring, and a mechanical life of 10 million cycles. It is suitable for medium voltage signal isolation applications.

The Siemens SIRIUS 3RQ3038-1AB00 is a 24V AC/DC input coupling relay with one set of switching contacts, AgSnO2 contacts, a thermal current of 6A, screw terminal wiring, and a mechanical life of 10 million cycles. It is suitable for low-voltage signal isolation coupling applications in PLCs.

The Siemens SIRIUS 3RQ3018-2AF00 is a 230V AC/DC output coupling relay with one set of switching contacts, AgSnO2 contact material, 6A thermal current, spring-loaded (insertion-type) terminal wiring, and a housing width of only 6.2mm.

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.

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.

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.