Product Overview
TheDEIF RMV-142Drepresents advanced voltage monitoring technology from Danish manufacturer DEIF,designed specifically for reliable power system protection in industrial applications.This precision voltage monitoring relay provides comprehensive protection against voltage irregularities that could damage sensitive equipment or disrupt production processes.TheDEIF RMV-142Dcontinuously monitors three-phase voltage systems,detecting under-voltage,over-voltage,phase loss,and phase asymmetry conditions with exceptional accuracy.As part of DEIF’s extensive protection relay portfolio,this device is engineered to meet the rigorous demands of various industries including manufacturing,energy distribution,and infrastructure applications.Featuring a robust design with IP40 protection rating,theDEIF RMV-142Densures reliable operation in challenging industrial environments.With its adjustable setpoints and time delays,this monitoring relay offers flexible configuration options to match specific application requirements,making it an ideal solution for engineers seeking dependable voltage protection capabilities.
Technical Specifications
Parameter Name
Parameter Value
Product Model
RMV-142D
Manufacturer
DEIF
Product Type
Voltage Monitoring Relay
Rated Voltage
400V AC
Voltage Range
0-500V AC
Measurement Accuracy
±1%
Frequency Range
40-70Hz
Response Time
<100ms
Output Relays
2 Changeover Contacts
Contact Rating
5A/250V AC
Supply Voltage
24-240V AC/DC
Power Consumption
3VA
Operating Temperature
-25°C to+55°C
Protection Rating
IP40
Installation
DIN Rail Mounting
Certification
UL,CE,GL
Main Features and Advantages
TheDEIF RMV-142Doffers exceptional measurement accuracy with±1%precision,ensuring reliable detection of voltage abnormalities in three-phase systems.Its fast response time of less than 100 milliseconds provides rapid protection against voltage fluctuations,minimizing potential equipment damage.The device features two changeover contacts with 5A/250V AC rating,enabling both alarm and control functions simultaneously.Wide supply voltage range from 24-240V AC/DC allows flexible integration into various control systems without additional power supplies.TheDEIF RMV-142Dprovides comprehensive protection functions including under-voltage,over-voltage,phase sequence,and phase failure detection.Easy DIN rail mounting and clear LED status indicators simplify installation and operation.Adjustable delay timers prevent nuisance tripping during temporary voltage variations.These features combine to make theDEIF RMV-142Da versatile and reliable solution for industrial voltage protection requirements.
Application Field
TheDEIF RMV-142Dfinds extensive application in industrial manufacturing facilities for protecting motors,pumps,and conveyor systems from voltage-related damage.In commercial buildings,it safeguards HVAC systems,elevators,and critical infrastructure from power quality issues.The energy sector utilizes theDEIF RMV-142Dfor generator protection,transformer monitoring,and distribution network safeguarding.Water treatment plants employ this relay for pump station protection and process control system voltage monitoring.Marine applications include main switchboard protection and essential system voltage monitoring aboard vessels.Renewable energy installations use theDEIF RMV-142Dfor inverter protection and grid connection monitoring.The device’s robust design and accurate measurement capabilities make it suitable for various applications where reliable voltage protection is critical.
Related Products
DEIF RMV-141D-Single-phase voltage monitoring relay
DEIF RMP-121D-Power and frequency monitoring relay
DEIF RMC-91D-Current monitoring relay
DEIF multifunction relays-Comprehensive protection devices
DEIF power quality meters-Advanced power monitoring
DEIF communication modules-System integration accessories
DEIF mounting accessories-Installation hardware
Installation and Maintenance
Pre-installation preparation:Before installing theDEIF RMV-142D,verify the system voltage matches the device specifications.Ensure proper DIN rail mounting space is available and all connection terminals are accessible.Check that the control voltage supply matches the relay’s requirements and prepare appropriate wiring materials.
Maintenance recommendations:Regular maintenance of theDEIF RMV-142Dincludes visual inspection of connections and verification of operation through functional testing.Clean the device surface periodically to maintain clear visibility of status indicators.Test the relay’s response to simulated fault conditions annually to ensure proper operation.Always follow the manufacturer’s recommended maintenance procedures and safety guidelines.
Product Guarantee
We guarantee that everyDEIF RMV-142Dvoltage monitoring relay is genuine OEM product with full manufacturer warranty coverage.Our technical support team provides comprehensive assistance from product selection through installation and commissioning.We offer complete documentation including original manufacturer specifications,installation manuals,and certification papers.All products undergo rigorous quality verification before shipment to ensure they meet DEIF’s exacting standards for performance and reliability.
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