3RQ3038-1AF00

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.

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Product Positioning

The 3RQ3038-1AF00 belongs to the SIRIUS 3RQ3 input coupling relay series. With a coil voltage of 230V AC/DC, it can isolate field device signals and convert them to the control circuit. Its compact structure and non-pluggable design make it suitable for fixed installations.

Core Product Advantages and Features
1 set of switching contacts
It provides one set of switching (CO) contacts, which can output normally open and normally closed signals simultaneously, providing greater flexibility in wiring.
230V AC/DC wide voltage input
The coil can accept 230V AC or DC voltage, and is universally compatible with 50/60Hz, adapting to different field power conditions.
6A thermocurrent
The contact thermal current is rated at 6A, which can withstand switching applications with large load current.
Narrow fixed design
With a housing width of only 6.2mm and a non-pluggable structure, it improves contact reliability for long-term use.
project Specification
Product Series SIRIUS 3RQ3 Input Coupling Relay
Coil voltage 230V AC/DC
Output contacts 1 set of switching (CO) contacts
Thermocurrent 6 A
Terminal type Screw terminals
Casing width 6.2 mm