Why Choose the Lovato 31RT35 Toroidal Current Transformer?
The Lovato 31RT35 is a high-quality toroidal current transformer designed for use with earth leakage protection systems and residual current monitoring applications. As part of the reliable Lovato 31RT series, it provides accurate current detection for industrial electrical installations where dependable earth fault monitoring is required.
This toroidal transformer is designed to work with Lovato earth leakage relays, helping detect residual current conditions and improve electrical system safety. Its compact ring design allows conductors to pass through the central opening, providing efficient installation within control panels and switchgear assemblies.
With a 35 mm internal diameter and a Type A residual current characteristic, the Lovato 31RT35 is suitable for a wide range of low-voltage industrial protection applications requiring reliable current measurement and earth leakage monitoring.
Key Advantages
Compact toroidal current transformer for earth leakage protection systems.
35 mm aperture diameter suitable for industrial cable installations.
Compatible with Lovato earth leakage relay solutions.
Type A residual current detection characteristic for dependable fault monitoring.
Space-saving design for electrical panels and switchgear assemblies.
Manufactured by Lovato Electric for industrial control and protection applications.
Key Features
Lovato 31RT series toroidal current transformer.
35 mm toroidal opening diameter.
Type A residual operation characteristic.
Designed for use with earth leakage relays.
Screw connection secondary terminal design.
Solid toroidal core construction.
Suitable for low-voltage industrial protection applications.
Compliant with IEC/EN 60947-2 requirements.
Reliable Earth Leakage Monitoring for Industrial Systems
Toroidal current transformers such as the Lovato 31RT35 measure residual current flowing through electrical conductors and provide a signal to connected earth leakage relays. This allows protective devices to identify insulation faults and help improve electrical safety in industrial installations.
The Lovato 31RT series is designed for integration into low-voltage control panels, distribution boards and industrial automation systems where accurate residual current monitoring is required.
Typical Applications
Industrial electrical protection systems.
Earth leakage relay installations.
Low-voltage switchboards and distribution panels.
Industrial automation control panels.
Machine protection systems.
Electrical fault monitoring applications.
Technical Specifications
HS Code
85389091
Manufacturer
Lovato Electric
Series
31RT
Model
31RT35
Product type
Toroidal current transformer
Application
Earth leakage protection and residual current monitoring
Residual operation characteristic
Type A
Opening diameter
35 mm
Core type
Solid toroidal core
Secondary connection
Screw connection
Standards compliance
IEC/EN 60947-2
Weight
approx. 200 g
Frequently Asked Questions
What is the Lovato 31RT35 used for?
The Lovato 31RT35 is a toroidal current transformer used with earth leakage relays for residual current monitoring and electrical protection applications.
What is the aperture size of the 31RT35 transformer?
The transformer has a 35 mm opening diameter for conductor installation.
What type of residual current detection does this transformer support?
The 31RT35 uses a Type A residual current characteristic for earth leakage monitoring applications.
Which Lovato products can this transformer be used with?
The 31RT35 is designed for use with compatible Lovato earth leakage relay systems.
Where is the Lovato 31RT35 typically installed?
The transformer is typically installed inside electrical panels, switchboards and industrial control systems.
Trusted by Industrial Protection Engineers Worldwide
Lovato 31RT toroidal current transformers are trusted by electrical engineers and automation professionals to provide reliable residual current monitoring and enhanced protection in modern industrial installations.
HS Code
85389091
Manufacturer
Lovato Electric
Series
31RT
Model
31RT35
Product type
Toroidal current transformer
Application
Earth leakage protection and residual current monitoring
Residual operation characteristic
Type A
Opening diameter
35 mm
Core type
Solid toroidal core
Secondary connection
Screw connection
Standards compliance
IEC/EN 60947-2
Weight
approx. 200 g
No documents available for this product.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...