Carlo Gavazzi DUB71CB4810V single-phase AC/DC voltage monitoring relay with 0.1–10 V range, SPDT relay output and DIN rail mounting for industrial protection applications.
£115.57
The Carlo Gavazzi DUB71CB4810V is a compact and reliable single-phase AC/DC over and undervoltage monitoring relay designed for protecting electrical systems by continuously monitoring external voltage levels and providing alarm switching when abnormal conditions occur. As part of the advanced Carlo Gavazzi DUB71 monitoring relay series, it is designed for industrial automation, control panels and electrical protection applications.
This monitoring relay provides adjustable voltage monitoring for 0.1–10 V AC/DC signals with a SPDT relay output. Its compact mini DIN rail housing enables straightforward installation inside electrical cabinets while providing dependable monitoring of voltage conditions in industrial systems.
With a 24/48 V AC supply, adjustable alarm delay functionality and a single changeover relay output, the DUB71CB4810V is suitable for applications where accurate voltage supervision and reliable fault detection are required.
Voltage monitoring relays such as the Carlo Gavazzi DUB71CB4810V help protect electrical equipment by detecting abnormal voltage conditions and activating relay outputs when predefined limits are exceeded. This enables automated alarms, shutdown actions and improved system protection.
The DUB71 series is designed for industrial automation engineers and electrical panel builders requiring dependable monitoring devices with compact DIN rail installation. Its flexible AC/DC measurement capability makes it suitable for a wide range of control and protection applications.
| Voltage | 810 V |
|---|---|
| Manufacturer | Carlo Gavazzi |
| Series | DUB71 |
| Model | DUB71CB4810V |
| Product type | Voltage monitoring relay |
| Monitoring function | Overvoltage / undervoltage / window voltage monitoring |
| Measured voltage range | 0.1–10 V AC/DC |
| Supply voltage | 24/48 V AC |
| Output | 1 SPDT relay |
| Mounting type | Mini DIN rail mounting |
| Connection type | Screw terminals |
| Protection rating | IP20 |
| Dimensions (H × W × D) | 81 × 35.5 × 67.2 mm |
| Operating temperature | -20 to +60 °C |
The Carlo Gavazzi DUB71CB4810V is used for monitoring AC/DC voltage levels and providing relay switching when overvoltage, undervoltage or voltage window conditions occur.
The relay monitors external single-phase AC/DC voltage signals from 0.1–10 V AC/DC.
The DUB71CB4810V provides a single SPDT relay output for alarm and control applications.
The relay requires a 24/48 V AC supply.
The DUB71CB4810V is typically installed inside electrical control panels using its compact mini DIN rail mounting housing.
Carlo Gavazzi monitoring relays are widely used by electrical engineers and automation specialists to provide reliable system supervision, fault detection and protection across industrial applications.
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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...