DPB01CM48N – 380-480V 3-PH OVER/UNDER VOLTAGE RELAY
Carlo Gavazzi DPB01CM48N three-phase monitoring relay with phase sequence, phase failure and phase asymmetry detection for industrial electrical protection applications.
SKU:DPB01CM48NMPN:DPB01CM48N
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Why Choose the Carlo Gavazzi DPB01CM48N Monitoring Relay?
The Carlo Gavazzi DPB01CM48N is a compact and reliable three-phase monitoring relay designed to protect electrical equipment by continuously supervising phase conditions in industrial automation and control systems. As part of the Carlo Gavazzi DPB series, it provides dependable monitoring of three-phase supplies for applications requiring improved equipment protection and operational reliability.
This monitoring relay is designed to detect abnormal electrical conditions such as phase sequence errors, phase failure and phase asymmetry, helping prevent damage to motors and other three-phase equipment. Its compact design and integrated monitoring functions make it suitable for use in industrial control panels, machinery and electrical distribution systems.
With a 208–480 V AC three-phase monitoring range and a 48 V AC/DC supply voltage, the DPB01CM48N provides reliable phase monitoring for industrial applications where early fault detection and equipment protection are required.
Key Advantages
Compact three-phase monitoring relay for industrial protection applications.
Monitors phase sequence, phase failure and phase asymmetry conditions.
48 V AC/DC supply voltage for control panel integration.
Helps protect motors and equipment from incorrect or unbalanced phase conditions.
Suitable for industrial automation and electrical control systems.
Reliable solution for three-phase power monitoring applications.
Key Features
Carlo Gavazzi DPB monitoring relay series.
Three-phase voltage monitoring.
Phase sequence, phase failure and phase asymmetry detection.
48 V AC/DC supply voltage.
Compact industrial housing design.
Relay output for alarm and control functions.
Designed for motor protection and automation applications.
Reliable Three-Phase Monitoring for Industrial Systems
Three-phase monitoring relays continuously supervise electrical supplies to identify phase faults before they cause equipment downtime or damage. The Carlo Gavazzi DPB01CM48N provides dependable protection for motors, machinery and industrial electrical installations.
The DPB series is designed for automation engineers and panel builders requiring compact monitoring solutions. Its integrated fault detection functions allow reliable operation in industrial control and protection systems.
Typical Applications
Industrial motor protection systems.
Machine automation equipment.
Electrical control panels.
Pumps and process equipment.
Manufacturing and production machinery.
Industrial three-phase power monitoring.
Technical Specifications
Manufacturer
Carlo Gavazzi
Series
DPB
Model
DPB01CM48N
Product type
Three-phase monitoring relay
Monitored voltage
208–480 V AC
Supply voltage
48 V AC/DC
Frequency
50 / 60 Hz
Monitoring functions
Phase sequence, phase failure and phase asymmetry
Mounting type
DIN-rail mounting
Protection rating
IP20
Frequently Asked Questions
What is the Carlo Gavazzi DPB01CM48N used for?
The DPB01CM48N is a three-phase monitoring relay used to detect electrical faults such as phase failure, phase sequence errors and phase asymmetry in industrial systems.
What voltage range does the DPB01CM48N monitor?
The relay monitors three-phase supplies within the 208–480 V AC range.
What supply voltage does the DPB01CM48N require?
The relay operates from a 48 V AC/DC supply.
How is the DPB01CM48N installed?
The relay is designed for DIN-rail mounting inside electrical control panels.
Where is this monitoring relay typically used?
The DPB01CM48N is typically used in industrial automation, motor protection and three-phase electrical monitoring applications.
Trusted by Industrial Automation Engineers
Carlo Gavazzi monitoring relays are widely used in industrial automation and electrical protection systems to provide reliable fault detection and equipment protection.
Manufacturer
Carlo Gavazzi
Series
DPB
Model
DPB01CM48N
Product type
Three-phase monitoring relay
Monitored voltage
208–480 V AC
Supply voltage
48 V AC/DC
Frequency
50 / 60 Hz
Monitoring functions
Phase sequence, phase failure and phase asymmetry
Mounting type
DIN-rail mounting
Protection rating
IP20
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
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.
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Customers supported
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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.
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...
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...