Carlo Gavazzi DPA51CM44 3 Phase Monitoring Relay, Phase Loss and Sequence, 17.5 mm DIN Rail

The Carlo Gavazzi DPA51CM44 is a compact 3 phase monitoring relay that protects motors, pumps and machines from phase loss and incorrect phase sequence. The relay operates only when all three phases are present and in the correct sequence, so equipment cannot start or keep running on a faulty supply. It also detects regenerated voltage, which helps catch a lost phase even while a motor is still turning.

DAANET is the authorised Australian distributor for Carlo Gavazzi. We supply the DPA51CM44 locally and provide technical support to help you select the right monitoring relay for your switchboard or machine.

Typical applications

• Motor protection on pumps, fans and compressors

• Conveyors and materials handling

• HVAC plant and chillers

• Machine control panels and switchboards

• Generator and supply changeover monitoring

Key specifications

• Manufacturer: Carlo Gavazzi

• Part number: DPA51CM44

• Product range: DPA51

• Function: 3 phase loss and phase sequence monitoring

• Nominal voltage: 208 to 480 VAC (177 to 552 VAC operating range)

• Frequency: 50 to 60 Hz

• Power supply: Self powered from the measured phases

• Output: 1 x SPDT relay, AC1 5 A at 250 VAC, DC12 5 A at 24 VDC

• Indication: Green LED for power, yellow LED for relay status

• Housing: 17.5 mm modular DIN rail, IP20

• Operating temperature: minus 20 to 60 °C

• Approvals: UL508

Downloads

• DPA51 and DPA71 datasheet (PDF)

• Installation manual (PDF)

• Carlo Gavazzi product page

Need help choosing a phase monitoring relay? Contact DAANET to discuss your application.