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DPA55CM44 – 3-PH MAINS QUALITY RELAY
Carlo Gavazzi DPA55CM44 three-phase voltage monitoring relay for phase loss, phase sequence, overvoltage and undervoltage protection in industrial electrical systems.
£99.45
Why Choose the Carlo Gavazzi DPA55CM44 Phase Monitoring Relay?
The Carlo Gavazzi DPA55CM44 is a compact and reliable three-phase window voltage monitoring relay designed to protect electrical systems by detecting phase loss, incorrect phase sequence, overvoltage and undervoltage conditions. As part of the Carlo Gavazzi DPA55 monitoring relay series, it provides dependable voltage monitoring for industrial motors, machinery and automation equipment requiring accurate three-phase supply protection.
This monitoring relay continuously checks three-phase supply conditions and helps prevent equipment faults caused by incorrect voltage levels, missing phases or incorrect phase rotation. Its self-powered design, mini DIN rail mounting format and integrated relay output make it suitable for industrial control panels and electrical protection systems.
With a 208–480 V AC nominal three-phase monitoring range, a SPDT relay output and a compact 17.5 mm DIN rail housing, the Carlo Gavazzi DPA55CM44 provides a practical solution for voltage window monitoring applications in industrial automation and motor protection systems.
Key Advantages
- Compact three-phase voltage monitoring relay for industrial protection applications.
- Phase loss, phase sequence, overvoltage and undervoltage monitoring for improved equipment protection.
- 208–480 V AC monitoring range suitable for industrial three-phase systems.
- SPDT relay output for integration with electrical control circuits.
- 17.5 mm mini DIN rail housing saves valuable control panel space.
- Self-powered operation using the monitored three-phase supply.
Key Features
- Carlo Gavazzi DPA55 monitoring relay series.
- Three-phase voltage window monitoring function.
- Phase loss detection.
- Phase sequence monitoring.
- Overvoltage monitoring.
- Undervoltage monitoring.
- 208–480 V AC nominal monitoring range.
- 50–60 Hz frequency operation.
- Single SPDT relay output.
- Selectable voltage window settings.
- Mini DIN rail mounting with screw terminal connections.
- LED indication for power supply and relay status.
Reliable Three-Phase Protection for Industrial Systems
Voltage monitoring relays such as the Carlo Gavazzi DPA55CM44 help protect motors and industrial equipment by identifying abnormal three-phase supply conditions before they cause operational problems. Monitoring voltage limits, phase sequence and phase loss helps improve system reliability and reduce the risk of equipment damage.
The DPA55CM44 is designed for industrial automation engineers and panel builders requiring dependable electrical monitoring in machinery, motor control and process systems. Its compact 17.5 mm housing makes it particularly suitable for installations where control panel space is limited.
Typical Applications
- Motor protection systems.
- Industrial automation control panels.
- Pumps and compressor systems.
- Machinery protection circuits.
- Three-phase electrical distribution monitoring.
- Process control equipment.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Monitoring Function | Three-phase supply | |
| Monitored Supply | Three-phase | |
| Signal / Input Range | 177–550 V AC | |
| Switching Current (A) | 5 A | |
| Mounting Type | DIN rail | |
| Contacts | 1 C/O | |
| IP Rating | IP20 | |
| Manufacturer | Carlo Gavazzi | |
| Series | DPA55 | |
| Model | DPA55CM44 | |
| Product type | Three-phase voltage monitoring relay | |
| Monitoring functions | Phase loss, phase sequence, overvoltage and undervoltage | |
| Nominal voltage range | 208–480 V AC | |
| Measuring range | 177–550 V AC | |
| Frequency | 50–60 Hz | |
| Output type | Relay output | |
| Contact configuration | SPDT | |
| Contact rating | 5 A at 250 V AC / 5 A at 24 V DC | |
| Mounting type | Mini DIN rail mounting | |
| Connection type | Screw terminals | |
| Housing dimensions (W × H × D) | 17.5 × 81 × 67.2 mm | |
| Protection rating | IP20 | |
| Power consumption | approx. 18 VA | |
| Operating temperature | -20 to +60 °C |
Frequently Asked Questions
What is the Carlo Gavazzi DPA55CM44 used for?
The Carlo Gavazzi DPA55CM44 is a three-phase voltage monitoring relay used to detect phase loss, incorrect phase sequence, overvoltage and undervoltage conditions in industrial electrical systems.
What voltage range does the DPA55CM44 monitor?
The DPA55CM44 monitors three-phase supplies with nominal ranges from 208–480 V AC and a measuring range of 177–550 V AC.
What protection functions are included?
The relay provides phase loss, phase sequence, overvoltage and undervoltage monitoring to help protect industrial equipment.
What type of output does the relay provide?
The DPA55CM44 includes a SPDT relay output with changeover contacts for connection to control circuits.
How is the DPA55CM44 installed?
The DPA55CM44 is installed on a mini DIN rail inside electrical control panels.
Trusted by Industrial Automation Professionals
Carlo Gavazzi monitoring relays provide dependable electrical protection solutions for industrial automation, motor control and three-phase power applications.
