31RC3548 - COMPACT EARTH LEAKAGE RELAY RC 24-48VAC-

Why Choose the 31RC3548?

Lovato’s 31RC3548 Earth leakage relay delivers reliable Type A residual current monitoring for internal panel mounting. With a wide 24–48VAC/DC supply and one operating threshold, it’s ideal for compact control assemblies. An incorporated 35 mm toroidal transformer simplifies installation and saves space, while the RC designation ensures seamless selection within Lovato’s protection portfolio.

Built for demanding environments, the device operates from −10 to +60 °C and stores safely between −20 and +80 °C. A robust 50,000,000-cycle mechanical life supports long-term service, with terminals rated to 0.5 Nm tightening torque. Weighing 485 g and compliant with IEC/EN 60947-2, it provides dependable earth-leakage protection in compact panels.

Key Benefits

• Compact internal panel mounting for space‑constrained control assemblies.
• Type A residual characteristic for dependable earth leakage monitoring.
• Integrated 35 mm toroidal transformer simplifies installation and wiring.
• Wide 24–48VAC/DC supply range suits multi-voltage panels.
• Single operating threshold for straightforward setup and operation.
• Robust 50,000,000-cycle mechanical life supports long service intervals.
• Compliant with IEC/EN 60947-2 for assured standards alignment.

Technical Specification

• Product type designation: RC
• Terminal tightening torque (max): 0.5 Nm
• Mechanical life: 50000000 cycles
• Operating temperature: -10 to +60 °C
• Storage temperature: -20 to +80 °C
• Weight: 485 g

What’s Included

• Lovato 31RC3548 Earth leakage relay with incorporated CT
• Basic installation and safety information

Applications

• Industrial control panels and electrical switchboards
• OEM machinery and equipment panels
• HVAC, pumping and process control cabinets
• General residual current monitoring in compact panel assemblies

Safety note: Install and commission only by qualified personnel. Isolate power before work, observe the 0.5 Nm terminal torque, and follow IEC/EN 60947-2 and manufacturer instructions.