R4D415 - EARTH LEAKAGE RELAY R4D 110 - 240 - 415

Why Choose the R4D415?

The Lovato R4D415 earth leakage relay (SKU R4D415) delivers reliable fault current protection with two operating thresholds and a clear digital display. Designed for flush-mount panels, it works with an external CT for accurate fault current measurement and features a flag indicator for rapid diagnostics. A fail-safe design enhances system safety, while wide 110VAC-240VAC-415VAC supply compatibility streamlines integration across varied electrical panels.

Built on the Lovato R4D platform, this relay meets IEC/EN 60947-2 and supports demanding environments from -10 to +60 °C. A robust mechanical life of 50,000,000 cycles underscores long-term durability, while the 0.5 Nm terminal tightening torque ensures secure connections. With a compact flush-mount format, digital display and clear flag indication, it simplifies commissioning, monitoring and maintenance in modern protection schemes.

Key Benefits

• Dual operating thresholds for sensitive and selective earth leakage protection.
• External CT support enables flexible installation across varied circuits and loads.
• Digital display simplifies fault current measurement and quick status checks.
• Fail-safe operation and flag indicator improve safety and fault visibility.
• Flush-mount format saves panel space and eases integration.
• Wide 110VAC-240VAC-415VAC supply range suits diverse panel supplies.
• Conforms to IEC/EN 60947-2 for assured performance and compliance.

Technical Specification

• Product type designation: R4D
• Terminal tightening torque (max): 0.5 Nm
• Mechanical life: 50000000 cycles
• Operating temperature: -10 to +60 °C
• Storage temperature: -20 to +80 °C
• Weight: 570 g

What’s Included

• Lovato R4D415 earth leakage relay (flush-mount)
• User instructions/quick start guide
• Panel mounting fixings (as supplied by manufacturer)
• Safety and conformity information

Applications

• Industrial and commercial distribution panels requiring earth leakage protection
• Motor control centres and switchboards with external CT monitoring
• OEM control panels needing dual-threshold fault current protection
• Maintenance and retrofit projects upgrading to digital indication

Safety note: Install and commission only by qualified personnel. Select and wire the external CT correctly, observe specified torque and temperature limits, and verify compliance with IEC/EN 60947-2 before energising.