Lovato’s 31RC3548 Earth leakage relay delivers reliable Type A residual current monitoring for internal panel mounting.
£262.04
The Lovato 31RC3548 is a compact earth leakage relay designed for residual current monitoring and electrical protection applications. Featuring an integrated 35mm toroidal current transformer, Type A residual current detection, and a 24-48VAC/DC supply range, this relay provides reliable earth fault monitoring for industrial control panels, machinery, and electrical distribution systems.
The Lovato 31RC3548 earth leakage relay belongs to the 31RC series of compact residual current protection devices. It is designed for internal panel mounting and incorporates a built-in 35mm toroidal transformer, eliminating the need for a separate external current transformer. The relay provides one adjustable operating threshold and Type A residual current detection suitable for AC and pulsating DC fault currents.
The Lovato 31RC3548 is suitable for installations requiring dependable earth leakage monitoring and residual current protection, including:
The Lovato 31RC3548 combines compact construction, integrated current sensing, and reliable Type A residual current detection in a single protection device. Its built-in 35mm toroidal transformer, flexible 24-48VAC/DC supply compatibility, and simple panel mounting design make it an effective solution for improving electrical safety and monitoring earth leakage faults.
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| Monitoring Function | Earth leakage / residual current | |
|---|---|---|
| Coil / Supply Voltage | 24 V AC, 24 V DC, 48 V AC, 48 V DC | |
| IP Rating | IP20 | |
| Specification Value Brand | Lovato Electric | |
| Part Number | 31RC3548 | |
| Product Type | Earth leakage relay | |
| Residual Current Type | Type A | |
| Rated Supply Voltage | 24-48VAC/DC | |
| Toroidal Transformer | Integrated 35mm / 1.38" | |
| Number of Operating Thresholds | 1 | |
| Leakage Current Range | 0.025-0.25A | |
| Output Contact | SPDT changeover contact | |
| Frequency | 50/60Hz | |
| Power Consumption | 3VA | |
| Protection Rating | IP20 | |
| Operating Temperature | -10°C to +60°C | |
| Dimensions | 100 x 110 x 70mm | |
| Standards | IEC/EN 60947-2 | |
| HS Code | 85389091 |
The Lovato 31RC3548 is used to detect earth leakage currents and provide residual current protection in electrical and industrial systems.
The relay operates with a 24-48VAC/DC supply voltage.
Yes. The unit includes an integrated 35mm toroidal transformer for residual current measurement.
The Lovato 31RC3548 provides Type A residual current detection for AC and pulsating DC fault currents.
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