Siemens SIRIUS 3RF24 Solid State Relay 3RF2410-1AC45, 10.5 A, 48-600 V AC, 24 V DC Control

Engineered for high-speed switching with zero-crossing precision, the Siemens SIRIUS 3RF24 solid state relay delivers a robust 10.5 A load current across 48–600 V AC, making it a cornerstone for industrial heating, lighting, and motor control. Its semiconductor output ensures silent, wear-free operation and a lifespan far exceeding electromechanical alternatives.

Overview

The 3RF2410-1AC45 is a two-phase controlled solid state relay from the renowned SIRIUS 3RF24 series. It accepts a 24 V DC control signal and switches AC loads with zero-voltage turn-on, minimizing inrush currents and electromagnetic interference. Screw terminals and screw mounting allow quick integration into control panels, while the IP20 housing protects against accidental contact.

What stands out

• Zero-point switching for reduced EMI and longer load life
• Compact, panel-mount design with screw connections for secure wiring
• Wide load voltage range (48–600 V AC) suits diverse industrial applications
• High surge capability: 150 A non-repetitive for 20 ms
• Global certifications: CE, UL, CSA, cURus, EAC

Technical details

• Rated operating current: 10.5 A at 40 °C
• Control voltage: 24 V DC (15 mA typical)
• Switching principle: zero-point switching
• On-state voltage drop: max 1.4 V
• Off-state leakage current: max 10 mA
• Max switching frequency: 10 Hz
• Operating temperature: -25 to +60 °C
• Storage temperature: -40 to +80 °C
• Protection class: IP20
• Mounting: screw mounting
• Connection: screw terminals

Our verdict

For engineers seeking a reliable, maintenance-free switching solution in demanding AC environments, the 3RF2410-1AC45 offers exceptional performance, safety certifications, and Siemens' proven quality.