DPB51CM44_-_3-PHASE_VOLTAGE_LEVEL_RELAY_REV.3

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.

SKU: DPB51CM44TMPN: DPB51CM44T
Price
List Price ex VAT
Your Price
Manufacturer Lead Time Please contact us for a delivery time before you order
Get the best trade prices Trade exclusive

Create a trade account to unlock exclusive pricing, special offers and more.

Trade pricing is personalised to your account

Manufacturer Lead Time

£95.04

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

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.

● Service Agreements

Credit Accounts

Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.

 Tick  Priority sourcing and supply support

 Tick  Flexible payment terms for qualifying organisations

 Tick  Support for engineering, maintenance, and operations

500 +

Stock lines ready to ship

1,000 +

Same day dispatches

3500 +

Customers supported

28 

Trusted Manfacturers

● frequently asked questions

Common questions about our products and support

 

At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.

What product ranges do you supply

We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products. 

Can you help specify the correct part?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

Do you have stock for urgent orders?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What are your delivery times and costs?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What about warranties, returns and faulty items?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

● latest blog

Discover  our latest insights and
expert advice

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

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.

LED Controls: Danfoss Drives Authorised Partner

LED Controls: Danfoss Drives Authorised Partner

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...

LED Controls: Your Complete Control Panel Solution

LED Controls: Your Complete Control Panel Solution

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...