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DPB51CM44T – 3-PHASE VOLTAGE LEVEL RELAY TROPICALIZED REV.4
Carlo Gavazzi DPB51CM44T three phase voltage monitoring relay designed for phase protection and electrical fault detection in industrial control systems.
Why Choose the Carlo Gavazzi DPB51CM44T Three Phase Monitoring Relay?
The Carlo Gavazzi DPB51CM44T is a compact and reliable three-phase voltage monitoring relay designed to protect electrical systems by monitoring phase loss, phase sequence, overvoltage and undervoltage conditions. As part of the Carlo Gavazzi DPB51 monitoring relay series, it provides dependable voltage supervision for industrial automation, machinery and electrical control applications.
This monitoring relay helps improve system reliability by detecting abnormal three-phase supply conditions before they can damage motors, equipment or production systems. Its compact design, adjustable alarm delay and DIN-rail mounting format make it suitable for integration into modern electrical control panels.
With a monitored voltage range of 208–480 V AC, a SPDT relay output and a compact 17.5 mm DIN-rail housing, the DPB51CM44T is ideal for industrial applications requiring reliable three-phase power monitoring and fault detection.
Key Advantages
- Compact three-phase voltage monitoring relay for industrial applications.
- Monitors phase loss, phase sequence, overvoltage and undervoltage conditions.
- 208–480 V AC monitoring range suitable for a wide range of three-phase systems.
- SPDT relay output provides flexible alarm and control integration.
- Adjustable alarm delay helps prevent nuisance tripping.
- Space-saving 17.5 mm DIN-rail mounting design.
Key Features
- Carlo Gavazzi DPB51 monitoring relay series.
- Three-phase voltage monitoring.
- Phase loss and phase sequence detection.
- Overvoltage and undervoltage monitoring.
- SPDT relay output configuration.
- 50–60 Hz frequency range.
- Adjustable alarm delay from 0.1–30 s.
- Mini DIN-rail mounting for compact control panels.
Reliable Three Phase Power Monitoring
Voltage monitoring relays such as the Carlo Gavazzi DPB51CM44T provide continuous supervision of electrical supplies to ensure motors and industrial equipment operate within safe voltage limits. By detecting phase faults and voltage abnormalities, they help reduce downtime and protect valuable electrical assets.
The DPB51 series is designed for industrial automation engineers and panel builders requiring dependable protection in compact control systems. Its DIN-rail format and flexible relay output allow straightforward integration into a wide range of electrical installations.
Typical Applications
- Industrial motor protection systems.
- Pumps and compressor control panels.
- HVAC and ventilation equipment.
- Material handling systems.
- Industrial automation machinery.
- Electrical distribution and control cabinets.
Technical Specifications
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| Mounting Type | DIN rail | |
|---|---|---|
| Monitoring Function | Liquid level | |
| Monitored Supply | Three-phase | |
| Signal / Input Range | 208–480 V AC | |
| Switching Current (A) | 5 A | |
| IP Rating | IP20 | |
| Manufacturer | Carlo Gavazzi | |
| Series | DPB51 | |
| Model | DPB51CM44T | |
| Product type | Three-phase voltage monitoring relay | |
| Monitoring functions | Phase loss, phase sequence, overvoltage, undervoltage | |
| Voltage range | 208–480 V AC | |
| Frequency | 50 / 60 Hz | |
| Output | 1 × SPDT relay | |
| Contact rating | 5 A | |
| Protection rating | IP20 | |
| Mounting type | Mini DIN-rail mounting | |
| Housing width | 17.5 mm | |
| Dimensions (W × H × D) | approx. 17.5 × 90 × 67.2 mm |
Frequently Asked Questions
What is the Carlo Gavazzi DPB51CM44T used for?
The DPB51CM44T is used to monitor three-phase electrical supplies and detect phase loss, phase sequence, overvoltage and undervoltage conditions.
What voltage range does the relay monitor?
The relay monitors three-phase voltage systems within a range of 208–480 V AC.
What type of output does the DPB51CM44T provide?
The relay provides a SPDT relay output for connection to alarms, contactors or control systems.
How is the Carlo Gavazzi DPB51CM44T installed?
The relay is installed using a compact 17.5 mm DIN-rail mounting housing inside electrical control panels.
What faults can this monitoring relay detect?
The DPB51CM44T detects phase loss, incorrect phase sequence, overvoltage and undervoltage conditions in three-phase systems.
Trusted by Industrial Automation Engineers
Carlo Gavazzi DPB51 monitoring relays are widely used in industrial control applications to provide dependable three-phase voltage protection and reliable system monitoring.
