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DUB01CB48500V – 24-48V VOLT. LEV. RLY OVER/UNDER 2-500V AC/DC
Carlo Gavazzi DUB01CB48500V single phase AC/DC voltage monitoring relay designed for overvoltage and undervoltage detection in industrial control systems.
Why Choose the Carlo Gavazzi DUB01CB48500V Voltage Monitoring Relay?
The Carlo Gavazzi DUB01CB48500V is a compact and reliable single-phase AC/DC voltage monitoring relay designed to protect electrical systems by detecting overvoltage and undervoltage conditions. As part of the proven Carlo Gavazzi DUB01 monitoring relay series, it provides accurate voltage supervision for industrial automation, electrical control panels and machinery protection applications.
This monitoring relay uses true RMS measurement technology to continuously monitor an external voltage signal and switch its relay output when the measured voltage exceeds or falls below configured limits. Adjustable measuring ranges, voltage thresholds, hysteresis and delay functions provide flexible configuration for industrial applications.
With a 2–500 V AC/DC monitoring range, a 24–48 V AC/DC supply voltage and a SPDT relay output, the DUB01CB48500V 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.
- 24–48 V AC/DC supply voltage suits low-voltage industrial control systems.
- Compact 22.5 mm DIN-rail housing saves space inside electrical panels.
Key Features
- Carlo Gavazzi DUB01 monitoring relay series.
- Single-phase true RMS AC/DC voltage monitoring.
- 2–500 V AC/DC monitored voltage range.
- Overvoltage and undervoltage monitoring functions.
- 1 × SPDT relay output.
- Selectable measuring ranges using DIP switches.
- Adjustable voltage level and hysteresis settings.
- Adjustable alarm delay function.
- LED indication for relay, alarm and power supply status.
- DIN-rail mounting design for industrial control panels.
Reliable Voltage Monitoring for Industrial Systems
Voltage monitoring relays such as the Carlo Gavazzi DUB01CB48500V 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 control actions before faults affect system operation.
The DUB01 series is designed for industrial engineers and panel builders requiring compact and flexible monitoring solutions. Its adjustable parameters, relay output and DIN-rail format allow straightforward integration into electrical control systems.
Typical Applications
- Industrial automation control panels.
- Electrical protection systems.
- Machine control circuits.
- Motor protection applications.
- Power supply monitoring.
- 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) | 8 A | |
| Coil / Supply Voltage | 24 V AC, 24 V DC, 48 V AC, 48 V DC | |
| IP Rating | IP20 | |
| Manufacturer | Carlo Gavazzi | |
| Series | DUB01 | |
| Model | DUB01CB48500V | |
| Product type | Single-phase AC/DC voltage monitoring relay | |
| Monitoring function | Overvoltage and undervoltage | |
| Voltage monitoring range | 2–500 V AC/DC | |
| Supply voltage | 24–48 V AC/DC | |
| Output | 1 × SPDT relay | |
| Contact rating | 8 A at 250 V AC | |
| Measurement type | True RMS AC/DC | |
| Time delay | Adjustable delay on alarm 0.1–30 s | |
| Mounting type | Industrial DIN-rail mounting | |
| Housing width | 22.5 mm | |
| Protection rating | IP20 | |
| Operating temperature | -20 to +60 °C | |
| Dimensions (W × H × D) | approx. 22.5 × 80 × 99.5 mm |
Frequently Asked Questions
What is the Carlo Gavazzi DUB01CB48500V used for?
The DUB01CB48500V is used to monitor AC/DC voltage levels and provide relay switching when overvoltage or undervoltage conditions are detected.
What voltage range does the DUB01CB48500V monitor?
The relay monitors external voltage signals within the 2–500 V AC/DC range.
What type of output does the DUB01CB48500V provide?
The relay provides a SPDT relay output rated up to 8 A at 250 V AC for connection to alarms, contactors or control systems.
What supply voltage does the DUB01CB48500V require?
The relay operates from a 24–48 V AC/DC supply.
How is the Carlo Gavazzi DUB01CB48500V installed?
The relay is designed for installation inside electrical control panels using a compact 22.5 mm DIN-rail mounting housing.
Trusted by Industrial Automation Engineers
Carlo Gavazzi DUB01 monitoring relays are widely used in industrial control applications to provide accurate voltage supervision, fault detection and reliable protection for electrical systems.
