Siemens SIRIUS 3RQ4 Output Coupler Relay, AC/DC 24V, 1W, Screw Terminal, 1 NO Contact

The Siemens 3RQ4018-1AB00 is a high-quality output coupler relay from the SIRIUS 3RQ4 series, designed for reliable switching in industrial automation applications. With a compact width of only 6.2 mm, it saves valuable space on the DIN rail while providing robust performance.

Advantages

This output coupler offers a long electrical endurance of 100,000 switching cycles and a mechanical endurance of 10 million cycles, ensuring long-term reliability. The screw terminal connection allows for secure and easy wiring. Its wide operating temperature range from -25 to +60 °C makes it suitable for demanding environments.

Suitable for

• Industrial control panels
• Automation systems
• Switching of AC and DC loads up to 250 V AC / 24 V DC and 6 A
• DIN rail mounting in distribution boards

Key specifications

• Product Type: Output Coupler Relay
• Series: SIRIUS 3RQ4
• Control Supply Voltage: 24 V AC/DC
• Power Consumption: 1 W
• Contact Configuration: 1 Normally Open (NO)
• Switching Voltage: Max 250 V AC / 24 V DC
• Switching Current: Max 6 A
• Connection Type: Screw Terminals
• Mounting: DIN Rail 35 mm
• Dimensions (WxHxD): 6.2 x 93 x 72.5 mm
• Protection Class: IP40 (enclosure), IP20 (terminals)
• Insulation Voltage: 300 V

Recommendations

For optimal performance, ensure the control supply voltage is within the specified range. Use appropriate wire gauges for screw terminals. This relay is ideal for switching resistive and inductive loads within its ratings.