Current Sensing Relay (CSR-04)

Intelligent Load Current Monitoring & Protection Solution

Current Sensing Relay (CSR-04) is a microprocessor-based programmable relay designed to monitor electrical load current and automatically control relay output based on preset current levels.

The relay continuously senses load current and switches connected equipment ON or OFF according to configured current limits and time delay settings. It is ideal for industrial automation, capacitor bank control, motor monitoring, and load detection applications.

Engineered for reliable industrial performance, CSR-04 provides accurate current sensing, intelligent protection, and efficient load management for modern electrical systems.

Key Features

Microprocessor-Based Intelligent Design
Real-Time Load Current Monitoring
Programmable Current Set Limits
Automatic Relay Output Control
4-Digit LED Display
Adjustable Time Delay Settings
Accurate Current Sensing
Compact & Industrial-Grade Design
Easy Installation & Configuration
Reliable & Stable Operation

Applications

Capacitor Bank Switching
Industrial Automation Systems
Motor Load Monitoring
Pump Protection Systems
Conveyor Systems
MCC & PCC Panels
Electrical Control Panels
Process Industries
Manufacturing Plants
Power Distribution Systems

Technical Highlights

Programmable Current Threshold Settings
Dual Current Set Limits
Dual Time Delay Configuration
LED Display for Monitoring
LED Display for Monitoring
Fast Response Operation
Industrial-Grade Electronics
DIN Rail / Panel Mounting Support
Wide Application Compatibility

Technical Specifications

Parameter	Specification
Model	CSR-04
Technology	Microcontroller-Based Current Sensing Relay
Display Type	4 Digit LED 7-Segment Display
Auxiliary Supply	230 VAC
Current Sensing Method	Through External CT
CT Secondary	5A
Relay Output	Potential Free C/O Contact
Relay Contact Rating	2 Amps @ 240 VAC
Programmable Current Range	0 – 2000 Amps
ON Delay Range	0 – 999 Seconds
OFF Delay Range	0 – 999 Seconds
CT Ratio Setting	1 – 200
Programming Keys	PRG, SAVE, INC, DEC
Status Indications	Power ON, Relay ON
Current Display	Real-Time Load Current Monitoring
Relay Delay Indication	Flashing LED Indication
Mounting Type	Panel Mount
Application	Automatic Capacitor Switching & Load-Based Control

Benefits

Intelligent Load Detection: Automatically detects load presence or absence for efficient system control.
Improved System Protection: Protects equipment from abnormal current conditions and overload situations.
Accurate Monitoring: Provides precise current sensing and stable relay operation.
Efficient Capacitor Control: Ideal for switching capacitor banks based on load conditions.
Reduced Maintenance: Solid-state intelligent operation ensures long-term reliability.
Enhanced Automation: Supports smarter and more efficient industrial electrical systems.

Why Choose Our Current Sensing Relay?

Our Current Sensing Relay solutions are developed using advanced microprocessor-based technology to deliver accurate monitoring, reliable protection, and intelligent load management for industrial electrical systems.

Designed for demanding industrial applications, CSR-04 ensures stable operation, improved efficiency, and dependable performance across a wide range of automation and power management environments.

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Looking for Reliable Current Monitoring Solutions?

Our technical experts are ready to help you choose the ideal Current Sensing Relay solution for your industrial automation and electrical monitoring requirements.