Earth Fault Relays EFR96-1/i

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Product Details:

Mechanical Life >10,000 operations
Contact Form 1 CO (Changeover)
Working Temperature -10C to +55C
Coil Power < 3VA
Ambient Temperature -10C to +55C
Power Consumption < 3VA
Contact Material Silver alloy
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Earth Fault Relays EFR96-1/i Price And Quantity

Minimum Order Quantity 5 Piece

Earth Fault Relays EFR96-1/i Product Specifications

Contact Resistance <50 m (initial)
Rated Voltage 110V / 230V AC (Selectable)
Coil Voltage Same as rated supply voltage
Dielectiric Strength 2kV AC for 1 minute
Contact Load Low Power
Protect Feature Earth Fault Trip, Reset, Self-test
Dimension (L*W*H) Approx. 130 x 96 x 120 mm
Weight Approx. 500 g
Contact Material Silver alloy
Terminal Type Screw terminals
Color Standard grey with colored control buttons
Product Type Earth Fault Relays, EFR96-1/i
Insulation Resistance >100M at 500V DC
Power Consumption < 3VA
Operate Time Adjustable, typically 0.1 to 5 seconds
Size 96 x 96 mm (panel cutout size)
Ambient Temperature -10C to +55C
Supply Terminal Rear panel connectors
Theory Protection Relay
Coil Power < 3VA
Contact Form 1 CO (Changeover)
Working Temperature -10C to +55C
Usage Industrial protection, earth fault detection in electrical systems
Mechanical Life >10,000 operations

Output Contacts 1 NO + 1 NC (Configurable)
Test Facility Front panel Test button
Trip Output Relay output for tripping external contactor/circuit breaker
Mounting Type Panel Mounting
Case Material Self-extinguishing ABS plastic
Indication LED indication for Fault and Healthy status
Frequency 50/60 Hz
Reset Feature Manual/Auto Reset selectable
Current Sensing Range Selectable 1A-5A Input

Earth Fault Relays EFR96-1/i Trade Information

Supply Ability 1000 Piece Per Month
Delivery Time 3-5 Days

Product Description

Protime s EFR N96 Relay Is One Of The Most Economic Efr With Robust Built In Market. EFR N96 Senses Earth Fault Current For Any Equipment Like L.T Panels Switch Boards, Generators, Motors, Transformers, Etc. The Fault Current If Goes Above The Selected Range On The Current Dial, The Relay Energises After The Time Delay Selected On The Time Dial. The Ct Is To Be Connected Externally As Per Diagram. The Test Button Provides Facility To Stimulate The Fault Condition & Thus Checks The System Tripping. The Reset Button Provides Manually Resetting The Relay. When Link Between A/M Terminals Is Connected.

Manual Reset: Connect Link Between Auto/Man Terminals.

Automatic Reset: Open The Link Between Auto/Man Terminals.

Efficient Earth Fault Protection

The EFR96-1/i Earth Fault Relay safeguards industrial electrical systems from earth faults, preventing equipment damage and minimizing downtime. With selectable sensitivity and trip delay, it adapts to diverse operational needs. Its robust construction and precise detection ensure continuous and reliable protection.

User-Friendly Features and Operation

Offering LED indicators for both healthy and fault statuses, this relay simplifies monitoring. The front panel test button enables easy functionality checks, while selectable manual or auto reset options cater to various user preferences. Installation is straightforward with screw terminals and rear panel connectors.

Durable and Safe Design

Manufactured from self-extinguishing ABS plastic and designed to withstand harsh industrial environments, the EFR96-1/i excels in safety and longevity. With high insulation resistance, strong dielectric strength, and a proven mechanical life exceeding 10,000 operations, it delivers sustained performance.

FAQ's of Earth Fault Relays EFR96-1/i:

Q: How does the EFR96-1/i Earth Fault Relay detect faults in an electrical system?

A: The relay monitors the current within the earth fault circuit, using a selectable input range from 1A to 5A. If a fault or leakage is detected exceeding the set threshold, it triggers the relay output to trip and isolate the affected circuit, helping prevent equipment damage and ensuring safety.

Q: What process should I follow to install and configure the EFR96-1/i relay?

A: Install the relay in a standard 96 x 96 mm panel cutout using screw terminals for electrical connections, and connect the supply voltage to the rear panel connectors. Configure the current sensitivity, operate time, and reset mode (manual or auto) as required for your protection scheme.

Q: When should I use the manual or auto reset feature on this Earth Fault Relay?

A: The manual reset is ideal when you want manual verification before re-energizing the circuit after a trip, adding an extra layer of safety. Auto reset is suited for applications where minimal downtime is critical and faults are expected to clear quickly without manual intervention.

Q: Where is the EFR96-1/i best utilized within industrial systems?

A: This relay is designed for use in industrial electrical distribution panels, motor control centers, or any system requiring reliable earth fault detection and protection-particularly where quick trip action and indication are essential for safeguarding equipment and personnel.

Q: What benefits does the LED indication provide for operational monitoring?

A: The dual LED system instantly displays whether the system is healthy or has detected a fault. This allows for rapid identification and troubleshooting, reducing response time to earth faults and helping maintain consistent system reliability.

Q: How does the relay's front panel test facility improve system maintenance?

A: The built-in test button allows you to simulate a fault condition directly from the front panel, verifying the relay's functionality and response time without disconnecting your system, thus ensuring ongoing protection with minimal maintenance interruption.

Q: What are the advantages of the relay's construction and material specifications?

A: The self-extinguishing ABS case enhances fire safety, and the relay's high insulation resistance and dielectric strength deliver durability in challenging environments. Together, these features ensure reliable operation and long-term service in industrial settings.

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