Siemens SIRIUS 3RQ4 Output Optocoupler, 24 V DC, 1 Output, Screw Terminal, DIN Rail Mount

The Siemens 3RQ4052-2SM30 is a high-quality output optocoupler from the SIRIUS 3RQ4 series, designed for reliable electrical isolation and signal transmission in industrial automation systems. With a compact DIN rail mount design, it provides a robust solution for switching DC loads up to 100 mA at 24 V DC.

Advantages

This optocoupler ensures galvanic isolation between input and output circuits, protecting sensitive control components from voltage spikes and noise. Its screw terminal connection offers secure and easy wiring, while the yellow LED status indicator provides clear visual feedback of the output state. The wide operating temperature range (-25 to +60 °C) makes it suitable for demanding industrial environments.

Suitable for

• Industrial control panels
• PLC output interfacing
• Signal isolation in automation systems
• Switching DC loads in machinery

Key specifications

• Product Type: Output Optocoupler
• Series: SIRIUS 3RQ4
• Input Voltage: 24 V DC
• Output Type: Semiconductor (Optocoupler)
• Number of Outputs: 1
• Output Configuration: 1 NO (Normally Open)
• Max. Output Current: 0.1 A (100 mA)
• Max. Output Voltage: 24 V DC
• Switching Frequency: 100 Hz
• Connection Type: Screw terminals
• Mounting Type: DIN rail 35 mm
• Electrical Isolation: Yes, input/output
• Insulation Voltage (Input/Output): 300 V
• Operating Temperature Range: -25 to +60 °C
• Storage Temperature Range: -40 to +85 °C
• Protection Class: IP20
• Status Indicator: Yellow LED for output
• Power Loss: 0.5 W
• Standards/Approvals: CE, UL, CSA, CCC

Recommendations

For optimal performance, ensure the input voltage is stable at 24 V DC and the load does not exceed 100 mA. Use appropriate screwdriver for terminal tightening. This device is ideal for use in Siemens SIRIUS automation systems.