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DUB71CB23500V – VOLT LEV RLY.OVER/UNDER 2-500V AC/DC
Carlo Gavazzi DUB71CB23500V single phase AC/DC voltage monitoring relay designed for overvoltage and undervoltage detection in industrial control systems.
£98.24
Why Choose the Carlo Gavazzi DUB71CB23500V Voltage Monitoring Relay?
The Carlo Gavazzi DUB71CB23500V is a precise and reliable single-phase AC/DC voltage monitoring relay designed to protect electrical systems by detecting overvoltage and undervoltage conditions. As part of the advanced Carlo Gavazzi DUB71 monitoring relay series, it provides accurate voltage supervision for industrial automation, electrical control panels and machinery protection applications.
This monitoring relay continuously monitors an external voltage signal and switches its relay output when the measured voltage exceeds or falls below configured limits. With selectable measuring ranges, adjustable voltage thresholds, hysteresis control, delay settings and programmable operating functions, it provides flexible protection for demanding industrial environments.
With a 2–500 V AC/DC monitoring range, a 115/230 V AC supply voltage and a SPDT relay output, the DUB71CB23500V is ideal for applications requiring dependable overvoltage and undervoltage monitoring in industrial control systems.
Key Advantages
- Compact single-phase AC/DC voltage monitoring relay for industrial applications.
- 2–500 V AC/DC measuring range supports a wide variety of voltage monitoring requirements.
- Detects both overvoltage and undervoltage conditions.
- SPDT relay output provides flexible alarm and control integration.
- Adjustable voltage level, hysteresis and delay functions allow application-specific configuration.
- Compact 35.5 mm DIN-rail housing for industrial control panels.
Key Features
- Carlo Gavazzi DUB71 monitoring relay series.
- True RMS AC/DC voltage monitoring.
- 2–500 V AC/DC monitored voltage range.
- External voltage monitoring capability.
- 1 × SPDT relay output.
- Selectable measuring ranges using DIP switches.
- Adjustable voltage threshold.
- Adjustable hysteresis setting.
- Adjustable delay function.
- Programmable latching or inhibit function.
- LED indication for relay, alarm and power supply status.
Reliable Voltage Monitoring for Industrial Systems
Voltage monitoring relays such as the Carlo Gavazzi DUB71CB23500V provide continuous supervision of electrical supplies to help protect sensitive equipment, machinery and automation systems. By detecting abnormal voltage conditions, they can trigger alarms or switching actions before faults affect system operation.
The DUB71 series is designed for industrial engineers and panel builders requiring accurate and flexible voltage monitoring solutions. Its true RMS measurement, adjustable parameters and relay output allow straightforward integration into modern electrical installations.
Typical Applications
- Industrial automation control panels.
- Electrical protection systems.
- Machine control circuits.
- Motor and equipment protection.
- Power supply monitoring applications.
- Industrial distribution systems.
Technical Specifications
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| Mounting Type | DIN rail | |
|---|---|---|
| Monitoring Function | Voltage | |
| Monitored Supply | Single-phase | |
| Time Delay | Adjustable | |
| Switching Current (A) | 5 A | |
| Coil / Supply Voltage | 115 V AC, 230 V AC | |
| IP Rating | IP20 | |
| Manufacturer | Carlo Gavazzi | |
| Series | DUB71 | |
| Model | DUB71CB23500V | |
| Product type | Single-phase AC/DC voltage monitoring relay | |
| Monitoring function | Overvoltage and undervoltage | |
| Voltage monitoring range | 2–500 V AC/DC | |
| Additional voltage ranges | 24–240 V AC/DC and 208–480 V AC | |
| Supply voltage | 115/230 V AC | |
| Output | 1 × SPDT relay | |
| Contact rating | 5 A at 250 V AC | |
| Measurement type | True RMS AC/DC | |
| Time delay | Adjustable delay on alarm | |
| Mounting type | Mini DIN-rail mounting | |
| Housing width | 35.5 mm | |
| Protection rating | IP20 |
Frequently Asked Questions
What is the Carlo Gavazzi DUB71CB23500V used for?
The DUB71CB23500V is used to monitor external AC/DC voltage signals and provide relay switching when overvoltage or undervoltage conditions are detected.
What voltage range does the DUB71CB23500V monitor?
The relay monitors external voltage signals within the 2–500 V AC/DC range.
What type of output does the DUB71CB23500V provide?
The relay provides a SPDT relay output for connection to alarms, contactors or control systems.
What supply voltage does the DUB71CB23500V require?
The relay operates from a 115/230 V AC supply.
How is the Carlo Gavazzi DUB71CB23500V installed?
The relay is designed for installation inside electrical control panels using a compact 35.5 mm DIN-rail mounting housing.
Trusted by Industrial Automation Engineers
Carlo Gavazzi DUB71 monitoring relays are widely used in industrial control applications to provide accurate voltage supervision, fault detection and reliable protection for electrical systems.
