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Product News: Electrical Equipment & Systems
3-Phase Monitoring Relays feature built-in switch mode power supply.
Press Release Summary:
Oct 10, 2017 -
3-Phase Monitoring Relays are offered in DPA52 and DPB52. Units are designed with multi-color LED indicators and relay contact output. Having an operating range from 125VLL to 624VLL with 45 to 65Hz frequency, units feature DIN rail housing with 17.5 mm width. Suitable for HVAC, lifts and escalators, material handling and water treatment applications, relays meet UL 508, CSA C22.2 and EN 60947-5-1 standards. These units can minimize and filter harmonic distortions.
Original Press Release
Compact 3-Phase Monitors with Enhanced Noise Immunity
Press release date: Oct 01, 2017
CARLO GAVAZZI is proud to announce the addition of our new three phase monitoring relays, the DPA52 and DPB52. These devices provide critical protection against phase loss and improper phase sequence, with DPB52 adding additional protection against under-voltage and over-voltage.
Optimizing panel space is a primary goal for most manufacturers. Thanks to the low profile DIN housing and 17.5mm width, it is possible to install these monitoring relays in industrial cabinets as well as in electrical distribution NORM panels. With a built-in switch mode power supply, DPA52 and DPB52 have the added advantage of filtering and minimizing harmonic distortions, which can help prevent devices from overheating and most of all prevent failures and false alarms which could lead to unexpected machine downtime.
The DPA52 and DPB52 come with features that offer versatility and ease of use, including wide input voltage range, multi-color LED indicators for diagnostic feedback, and a relay contact output. They conform to global standards such as UL 508, CSA C22.2 and EN 60947-5-1, and can be used globally in applications/markets where it is necessary to monitor phase presence, sequence, and value, such as HVAC, Lifts and Escalators, Material Handling, Water Treatment, and others.
The features of the DPA and DPB Compact 3-Phase Monitors include:
- 125VLL to 624VLL (208V -40% to 480V +30%)
- Operating frequency from 45 to 65Hz
- Monitors phase loss, phase sequence, over and under voltage
- 17.5mm wide - DIN rail mounting (1 DIN Module for NORM panels)
- Screw terminals
- Multi-color alarm LED provides visual diagnostic feedback
- Switch mode power supply provides greater immunity to anomalies, such as harmonics, on supply mains
- Conformal coating of PCB to resist humidity and contaminants
The DPA and DPB Compact 3-Phase Monitors are available from Carlo Gavazzi's North American network of sales offices, distributors, and online at www.GavazziOnline.com.
For more information on the DPA52 and DPB52 Compact 3-Phase Monitors, please click on any of the links below:
DPA52 Data Sheet https://www.gavazzionline.com/pdf/DPA52_DS.pdf
DPB52 Data Sheet https://www.gavazzionline.com/pdf/DPB52_DS.pdf
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