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R4D415 - EARTH LEAKAGE RELAY R4D 110 - 240 - 415

R4D415 – EARTH LEAKAGE RELAY R4D 110 – 240 – 415

The Lovato R4D415 earth leakage relay (SKU R4D415) delivers reliable fault current protection with two operating thresholds and a clear digital display.

SKU: R4D415MPN: R4D415
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List Price £730.95 ex VAT
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Lovato R4D415 Earth Leakage Relay - Dual Threshold Residual Current Protection Relay with Digital Display 110-415VAC

The Lovato R4D415 is an advanced flush-mounted earth leakage relay designed for residual current monitoring and electrical protection applications. Featuring two adjustable operating thresholds, external toroidal current transformer connection, digital fault current display, fail-safe operation, and compatibility with 110-125VAC/DC, 220-240VAC, and 380-415VAC supply systems, this relay provides accurate earth fault protection for industrial and commercial electrical installations.

Product Overview

The Lovato R4D415 earth leakage relay is part of the Lovato R4D series of residual current monitoring devices. Designed for flush panel mounting, it works with an external toroidal transformer to measure leakage currents and provides two configurable operating thresholds for selective protection. The relay includes digital fault current measurement, fail-safe functionality, flag trip indication, and compliance with IEC/EN 60947-2 standards.

Key Features

  • Manufacturer: Lovato Electric
  • Model / Part Number: R4D415
  • Product Type: Earth leakage relay / residual current monitoring relay
  • Residual Current Characteristic: Type A
  • Supply Voltage: 110-125VAC/DC, 220-240VAC, 380-415VAC
  • Flush panel mounting design
  • External toroidal transformer connection
  • Two adjustable operating thresholds
  • Digital display for fault current measurement
  • Fail-safe operation
  • Flag indicator for trip status memory
  • Two relay outputs
  • Automatic or manual reset function
  • Front TEST function
  • IEC/EN 60947-2 compliant

Applications

The Lovato R4D415 is suitable for installations requiring advanced earth leakage monitoring and selective residual current protection, including:

  • Industrial control panels
  • Electrical distribution systems
  • Motor control centres
  • Automation equipment
  • Machine protection systems
  • Commercial electrical installations

Why Choose Lovato R4D415?

The Lovato R4D415 provides enhanced residual current protection through dual adjustable thresholds, digital fault current measurement, and fail-safe operation. Its flush-mounted design, external CT compatibility, and configurable alarm/trip functions make it ideal for applications requiring precise monitoring and reliable earth leakage protection.

Technical Specifications

Specification Value Brand Lovato Electric
Part Number R4D415
Product Type Earth leakage relay
Residual Current Type Type A
Mounting Type Flush mounting
Toroidal Transformer External
Supply Voltage 110-125VAC/DC; 220-240VAC; 380-415VAC
Operating Thresholds 2 adjustable thresholds
Leakage Current Range 0.03-30A
Trip Delay Adjustment 0.03-5 seconds
Output Contacts 2 changeover relay outputs
Contact Rating 2.5A
Frequency 50-60Hz
Power Consumption 5.5VA
Protection Rating IP40 front / IP20 terminals
Operating Temperature -10°C to +60°C
Dimensions 96 x 96 x 70mm
Weight Approx. 630g
Standards IEC/EN 60947-2
HS Code 85365080
Coil / Supply Voltage 110 V AC, 110 V DC, 115 V AC, 120 V AC, 125 V DC, 220 V AC, 230 V AC, 240 V AC, 380 V AC, 400 V AC, 415 V AC
Contacts 2 C/O
IP Rating IP20, IP40

Frequently Asked Questions

What is the Lovato R4D415 used for?

The Lovato R4D415 is used to monitor earth leakage currents and provide residual current protection in industrial and commercial electrical systems.

Does the Lovato R4D415 include a toroidal transformer?

No. The relay requires an external toroidal current transformer for residual current measurement.

What supply voltage does the Lovato R4D415 support?

The relay supports 110-125VAC/DC, 220-240VAC, and 380-415VAC supply voltages.

How many operating thresholds does the Lovato R4D415 have?

The Lovato R4D415 features two adjustable operating thresholds for selective protection and alarm coordination.

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