Enhancing safety and compliance: Discover LOVATO’s latest earth leakage relay innovations

As systems become more complex and electrification accelerates across industrial, commercial, and infrastructure applications, the need for reliable earth leakage protection has never been greater.

To meet this demand, LOVATO Electric UK has expanded its portfolio with two powerful new solutions:

“As electrical systems become more sophisticated, the demand for intelligent and reliable protection continues to grow. These new additions to our earth leakage relay range ensure that UK engineers and panel builders have access to flexible, compliant, and future-ready solutions – whether for standard applications or more complex installations involving DC leakage detection.”

David Whitby
Managing Director
LOVATO Electric UK

R1D23072 Earth Leakage Relay

Type A earth leakage relay

RM2PDB230 Earth Leakage Relay

Type B earth leakage relay

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Together, these new additions strengthen LOVATO’s position as a complete provider of electrical protection solutions, offering flexibility, compliance, and advanced functionality.

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What are earth leakage relays (and why are they important)?

Earth leakage relays are critical safety devices designed to detect leakage currents – unintended electrical flows to earth that can occur due to insulation failure, damaged wiring, or faulty equipment.

Why they matter:

Prevent electric shock

and protect personnel

Reduce fire risk
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caused by insulation faults

Protect equipment

from damage and downtime

Ensure compliance

with international safety standards

Support modern loads

including variable speed drives and DC systems

As electrical systems evolve – particularly with the rise of renewables, EV charging, and automation – traditional protection is no longer enough. Advanced relays, especially Type B, are essential for detecting both AC and DC leakage currents.

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Introducing the new LOVATO earth leakage relays

R1D23072 Earth Leakage Relay
Compact. Reliable. Essential protection.

The R1D23072 is a Type A earth leakage relay, ideal for applications requiring dependable AC leakage monitoring in a compact format.

Key advantages

✔ Single tripping threshold
✔ 1 relay output with changeover contact
✔ Auxiliary supply: 110–230 VAC
✔ Compact 72×72 mm flush-mount design
✔ Front dip-switch configuration for threshold & delay
✔ TEST and RESET functionality
✔ IP40 (upgradeable to IP52 with included cover)

Benefits:

🔸 Easy integration into existing panels
🔸 Simple setup and operation
🔸 Cost-effective protection for standard applications
🔸 Reliable compliance with established safety standards

RM2PDB230 Earth Leakage Relay
Advanced monitoring for modern electrical systems.

The RM2PDB230 is a Type B earth leakage relay, engineered for complex installations where AC and DC leakage detection is essential.

Key advantages

✔ Dual tripping thresholds
✔ Multicolour backlit LCD display
✔ Measures AC and DC leakage currents
✔ Auxiliary supply: 80–250 VAC / 120–250 VDC
✔ 2 relay outputs with changeover contacts
✔ Remote TEST and RESET via digital inputs
✔ Event log for fault tracking
✔ Auto-test function for toroid connection
✔ Selectable harmonic filtering (3rd or 21st
✔ Password-protected settings

Benefits:

🔸 Ideal for EV charging, renewables, and industrial automation
🔸 Enhanced visibility with real-time monitoring
🔸 Improved diagnostics and fault analysis
🔸 Futureproof protection for evolving systems

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Built for compliance and confidence

Both relays are designed in line with stringent international standards, ensuring reliability, safety, and regulatory compliance across a wide range of applications.

R1D23072 Compliance: CEI 41-1, IEC 255, VDE 0664, IEC755, CEI 64.8, EN 61008-1, EN 62020, EN 61543, EN 61326-1

RM2PDB230 Compliance: EN 60947-2 (Annex M), EN 61543, EN 61326 series, and EU Directives including 2014/35/UE and 2014/30/UE

A complete protection solution

With these new relays, alongside a full range of dedicated toroids, LOVATO Electric delivers a comprehensive earth leakage protection system, suitable for:

Industrial manufacturing

Energy & renewables

EV charging infrastructure

Commercial buildings

OEM panel builders

Ready to upgrade your electrical protection?

Don’t leave safety to chance.

Speak to LOVATO Electric UK today on 01384 899700 to find the right earth leakage relay for your application. Don’t forget to follow us on [LinkedIn] for all the latest updates and innovations.

Frequently Asked Questions (FAQs)

What’s the difference between Type A and Type B earth leakage relays?

  • Type A detects AC and pulsating DC leakage currents
  • Type B detects AC, pulsating DC, and smooth DC currents – making it essential for modern applications like EV charging and inverter.

When should I use a Type B relay?

Use a Type B relay in installations with:

  • Variable speed drives
  • Solar PV systems
  • EV charging stations
  • UPS systems

Can these relays be integrated into existing panels?

Yes – both models feature flush-mount designs, making them easy to integrate into new or existing electrical panels.

Do these relays support remote operation?

The RM2PDB230 supports remote TEST and RESET via digital inputs, enabling greater control and automation.

Are these relays compliant with UK and EU standards?

Yes – both products meet a wide range of international and European safety standards, ensuring compliance and peace of mind.