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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.
£438.57
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
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| Mounting Type | Panel | |
|---|---|---|
| Time Delay | Fixed | |
| Switching Current (A) | 2.5 A | |
| Monitoring Function | Earth leakage / residual current | |
| 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 | |
| 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 |
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.
