Earth Leakage Relays N22 ELR B:0.1A-2.0A

1700.00 - 2240.00 INR/Piece

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Product Details:

Power Consumption <5VA
Protect Feature Earth leakage protection, adjustable sensitivity and time delay
Coil Power <5VA
Contact Form 1 NO + 1 NC
Ambient Temperature -10C to +55C
Dielectiric Strength 2kV AC for 1 min
Contact Resistance <100 m
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Earth Leakage Relays N22 ELR B:0.1A-2.0A Price And Quantity

Minimum Order Quantity 5 Piece
Price Range 1700.00 - 2240.00 INR/Piece

Earth Leakage Relays N22 ELR B:0.1A-2.0A Product Specifications

Insulation Resistance >100M at 500V DC
Supply Terminal L, N (Line and Neutral)
Dimension (L*W*H) Approx. 75mm x 22.5mm x 100mm
Product Type Earth leakage Relays N22 ELR, B:0.1A-2.0A
Operate Time Adjustable (typically 60-500 ms)
Terminal Type Screw type terminals
Contact Load Low Power
Rated Voltage 230V AC
Contact Form 1 NO + 1 NC
Size Modular DIN rail type
Coil Power <5VA
Protect Feature Earth leakage protection, adjustable sensitivity and time delay
Power Consumption <5VA
Coil Voltage 230V AC
Contact Material AgCdO
Weight Approx. 180g
Dielectiric Strength 2kV AC for 1 min
Contact Resistance <100 m
Ambient Temperature -10C to +55C
Usage Protection against earth leakage in electrical circuits
Working Temperature -10C to +55C
Color Blue and grey
Theory Electromagnetic relay operated by leakage current detection
Mechanical Life 10^6 operations

Indication LED indication for trip and power
Frequency 50/60Hz
Reset Type Manual/Automatic
Mounting Type DIN rail mounting
Application Industrial and commercial electrical installations
Compliance IS/IEC 60947-2
Relative Humidity Up to 95% (non-condensing)
Sensitivity Adjustment Range 0.1A - 2.0A

Earth Leakage Relays N22 ELR B:0.1A-2.0A Trade Information

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

Product Description

PROTIME's N22-ELR senses the Earth leakage current through CBCT. These leakage current if continues, can cause insulation breakdown resulting Earth fault, which results in to loss of life or damage to equipment. PROTIME N22-ELR energises / denergises an internal relay based on Mode of operation selected by user (i.e. Normal or Fail Safe) when Leakage current goes out of the range selected on the dial. PROTIME-Earth Leakage Relays are provided with user selectable two Tripping Ranges, and also two Time delay ranges in one unit. The CBCT is connected externally with the Busbar or cable carrying load current passed through it.

Reliable Earth Leakage Protection

Engineered for quick and accurate earth leakage detection, the N22 ELR B:0.1A-2.0A safeguards electrical systems against potential hazards. Its adjustable sensitivity and delay ensure it can be tailored to specific site requirements, reducing nuisance tripping while enhancing overall safety and compliance in both industrial and commercial environments.

Versatile Mounting and Operation

The relay features DIN rail mounting for fast, standard installation, and supports both manual and automatic reset modes. With clear LED indicators for both trip and power status, operators can quickly assess relay condition. Screw-type terminals and modular design streamline wiring and maintenance, while robust construction ensures durability.

Designed for Demanding Conditions

This relay withstands challenging conditions with its high dielectric strength of 2kV AC, low power consumption (<5VA), and ability to handle high relative humidity (up to 95%). Certified to IS/IEC 60947-2 standards, the N22 ELR B provides reliable protection in varying ambient temperatures from -10C to +55C, making it ideal for widespread deployment.

FAQ's of Earth Leakage Relays N22 ELR B:0.1A-2.0A:

Q: How does the N22 ELR B:0.1A-2.0A provide earth leakage protection?

A: This relay continuously monitors electrical circuits for leakage currents within a sensitivity range of 0.1A to 2.0A. When leakage current exceeds the set threshold, the relay trips and disconnects the faulty circuit, thereby reducing the risk of electric shock or fire.

Q: What can the adjustable sensitivity and time delay be used for?

A: Adjustable sensitivity allows tailoring the relay response to different protection needs, from sensitive to robust applications. The time delay (adjustable from approximately 60 to 500 ms) prevents nuisance tripping from transient currents and ensures reliable operation in varied environments.

Q: Where can this earth leakage relay be installed?

A: It is designed for industrial and commercial electrical installations, making it suitable for use in factories, production facilities, commercial buildings, and similar environments requiring dependable earth leakage protection.

Q: What are the benefits of the LED indication features?

A: The LED indicators provide clear and immediate visual status for both power and trip events. This enables fast troubleshooting and system monitoring, reducing downtime and maintenance intervals.

Q: What is the process for mounting and wiring this relay?

A: The relay is modular and mounts easily onto a standard DIN rail. Its screw-type terminals accept L and N supply lines as well as connections for remote indication. Follow the wiring diagram in the product manual for safe and correct installation.

Q: When should you use the manual versus automatic reset function?

A: Manual reset is preferred when investigation is required post-trip, ensuring faults are addressed before system reactivation. Automatic reset is suitable in scenarios where quick restoration is vital and risks of recurring faults are minimal.

Q: What are the key compliance and durability features of the N22 ELR B?

A: The relay complies with IS/IEC 60947-2 standards, features a mechanical life of over one million operations, and has high insulation resistance and dielectric strength, ensuring long-lasting reliability and safety in demanding electrical environments.

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