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31RM415 – MODULAR EARTH LEAKAGE RELAY RM 110-415VA
Lovato’s 31RM415 earth leakage relay delivers dependable Type A residual protection in modular control panels.
£263.35
Lovato 31RM415 Earth Leakage Relay - Modular Residual Current Protection Relay 110-415VAC
The Lovato 31RM415 is a modular earth leakage relay designed for residual current monitoring and electrical protection applications. Featuring Type A residual current detection, a single adjustable operating threshold, and compatibility with 110-125VAC/DC, 220-240VAC, and 380-415VAC supply systems, this relay provides dependable earth fault protection for industrial and commercial electrical installations. The unit is designed for 35mm DIN rail mounting and requires an external toroidal current transformer.
Product Overview
The Lovato 31RM415 earth leakage relay is part of the Lovato 31RM series of modular residual current monitoring devices. It is designed for installation on IEC/EN 60715 35mm DIN rails and operates with an external toroidal transformer to monitor leakage currents. The relay provides one adjustable operating threshold, SPDT output switching, and Type A residual current detection suitable for AC and pulsating DC fault currents.
Key Features
- Manufacturer: Lovato Electric
- Model / Part Number: 31RM415
- Product Type: Earth leakage relay / residual current monitoring relay
- Residual Current Characteristic: Type A
- Supply Voltage: 110-125VAC/DC, 220-240VAC, 380-415VAC
- External toroidal transformer connection
- Single adjustable operating threshold
- SPDT relay output contact
- 35mm DIN rail mounting (IEC/EN 60715)
- TEST function button
- LED indication for relay status
- IEC/EN 60947-2 compliant
Applications
The Lovato 31RM415 is suitable for electrical systems requiring reliable earth leakage monitoring and residual current protection, including:
- Industrial control panels
- Electrical distribution boards
- Motor control centres
- Automation systems
- Machine safety applications
- Commercial electrical installations
Why Choose Lovato 31RM415?
The Lovato 31RM415 provides a flexible and reliable residual current monitoring solution for DIN rail applications. Its modular design, external CT compatibility, Type A detection, and wide supply voltage range make it suitable for protecting electrical systems where accurate earth leakage monitoring is required.
Technical Specifications
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| Mounting Type | DIN rail | |
|---|---|---|
| Monitoring Function | Earth leakage / residual current | |
| Voltage | 415 V | |
| 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 | |
| IP Rating | IP20 | |
| Specification Value Brand | Lovato Electric | |
| Part Number | 31RM415 | |
| Product Type | Earth leakage relay | |
| Residual Current Type | Type A | |
| Mounting Type | 35mm DIN rail mounting | |
| Toroidal Transformer | External | |
| Supply Voltage | 110-125VAC/DC; 220-240VAC; 380-415VAC | |
| Number of Operating Thresholds | 1 | |
| Leakage Current Range | 0.25-2.5A | |
| Output Contact | SPDT changeover contact | |
| Frequency | 50-60Hz | |
| Trip Time | 0.2s | |
| Power Consumption | 3VA | |
| Protection Rating | IP20 terminals | |
| Operating Temperature | -10°C to +60°C | |
| Dimensions | 52 x 89 x 72mm | |
| Weight | 180g | |
| Standards | IEC/EN 60947-2 | |
| HS Code | 85389091 |
Frequently Asked Questions
What is the Lovato 31RM415 used for?
The Lovato 31RM415 is used to monitor earth leakage currents and provide residual current protection in industrial and commercial electrical systems.
Does the Lovato 31RM415 include a toroidal transformer?
No. The relay requires an external toroidal current transformer, with compatible Lovato 31RT series transformers available separately.
What supply voltage does the Lovato 31RM415 support?
The relay supports 110-125VAC/DC, 220-240VAC, and 380-415VAC supply voltages.
What type of residual current detection does the Lovato 31RM415 provide?
The Lovato 31RM415 provides Type A residual current detection suitable for AC and pulsating DC fault currents.
