DPA51CM44 3-Phase Voltage Monitoring Relay

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DPA51CM44 3-Phase Voltage Monitoring Relay

Price 6000 INR/ Number

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MOQ : 1 Number

DPA51CM44 3-Phase Voltage Monitoring Relay Specification

Power Consumption
2.5VA

Coil Power
Internal, derived from line voltage

Protect Feature
Phase Sequence, Phase Loss, Under/Over Voltage

Ambient Temperature
-20C to +60C

Coil Voltage
On-board supply from monitored phases

Dielectiric Strength
2kV AC (1 min)

Contact Resistance
< 100m

Working Temperature
-20C to +60C

Contact Form
1 Changeover (SPDT)

Mechanical Life
10,000,000 operations

Contact Material
AgNi

Product Type
Voltage Monitoring Relay

Insulation Resistance
100M at 500VDC

Theory
Electromagnetic Relay

Usage
3-Phase Voltage Monitoring

Contact Load
8A 250VAC (resistive)

Operate Time
500ms

Terminal Type
Screw Terminals

Rated Voltage
400VAC

Supply Terminal
L1, L2, L3-N

Size
Compact

Color
Grey

Dimension (L*W*H)
17.5mm x 82mm x 67mm

Weight
Approx. 140g

Status Indication
LED indication for relay status

Storage Temperature
-40°C to +70°C

Frequency
50/60Hz

Output Type
Relay SPDT

Relay Output Maximum Current
8A

Hysteresis
Approx. 3% of nominal voltage

Mounting Type
DIN Rail

Relay Output Maximum Voltage
250VAC

Degree of Protection
IP20 (Terminals), IP40 (Housing)

Material
Self-extinguishing plastic

Relative Humidity
Up to 85%, non-condensing

Reset Time
250ms

Standards
IEC/EN 60255-1

DPA51CM44 3-Phase Voltage Monitoring Relay Trade Information

Minimum Order Quantity
1 Number

Certifications
CE CSA CCC

About DPA51CM44 3-Phase Voltage Monitoring Relay

Specifications

Mounting

Mini DIN-rail

Function

Phase loss;
Phase sequence

3-phase voltage range

208-240 Vac;
208-480 Vac;
380-480 Vac;
440-480 Vac

Frequency range

50-60 Hz

Output

1 relay

Time delay

No delay adjustment

Approvals, marks, declaration

for Europe;
for North America;
for China

Setting method through NFC

Reliable 3-Phase Monitoring

The DPA51CM44 supports real-time monitoring of 3-phase systems, protecting equipment by detecting phase loss, improper phase sequence, and voltage fluctuations. Its quick response time of 500ms and relay reset in just 250ms help minimizes downtime and equipment damage. With a robust SPDT output, this relay is suitable for a wide range of heavy-duty industrial applications.

Easy Installation and Operation

Designed for DIN rail mounting, the DPA51CM44 is straightforward to install using screw terminals that accommodate conventional wiring practices. The compact dimensions and lightweight build streamline panel integration, while the LED indication feature provides immediate feedback on relay status for simplified maintenance and troubleshooting.

Built for Durability and Safety

Constructed from self-extinguishing plastic with insulation resistance 100M at 500VDC, the DPA51CM44 meets stringent safety and quality requirements. The relay's housing and terminals offer protection against dust and accidental contact. Plus, with a mechanical life exceeding 10 million operations, it is engineered for long-term, reliable performance in challenging environments.

FAQ's of DPA51CM44 3-Phase Voltage Monitoring Relay:

Q: How does the DPA51CM44 3-phase voltage monitoring relay enhance equipment safety?

A: The DPA51CM44 consistently monitors voltage, phase sequence, and phase loss, instantly disconnecting the load in case of anomalies. This proactive protection helps prevent damage to expensive machinery, reduces downtime, and increases operational reliability.

Q: What are the main benefits of using the DPA51CM44 relay in my panel?

A: Benefits include protection from common power faults, a swift 500ms response, clear LED relay status indication, and an extended mechanical lifecycle, all within a space-saving, easy-to-install design that's compatible with standard DIN rail systems.

Q: Where should the DPA51CM44 be installed?

A: This relay is intended for installation inside electrical control panels on DIN rails. Its compact size and protected terminals make it ideal for both new and retrofit industrial or commercial 3-phase distribution boards.

Q: What is the process for wiring and commissioning the DPA51CM44 relay?

A: Wiring is performed via secure screw terminals connected to phases L1, L2, L3-N. Once installed, the device requires no configuration-simply power it with the monitored phases, and it will automatically start monitoring and display status via its LED indicator.

Q: When is the DPA51CM44 most effectively used?

A: It is most effective in systems where equipment protection from voltage instability or phase failure is crucial, such as motors, HVAC systems, lifts, pumps, and automated machinery operating on a three-phase power supply.

Q: What standards and certifications does the DPA51CM44 meet?

A: This relay is manufactured according to IEC/EN 60255-1 standards, ensuring both reliable performance and compliance with international safety and electromagnetic compatibility requirements.

Q: How does the LED status indication benefit users of the DPA51CM44?

A: The LED indicators provide instant visual feedback regarding relay operation, making it easy to identify power issues or relay trips at a glance, thereby facilitating prompt maintenance and reducing system downtime.

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