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REL52021
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REL52021
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REL52021 - Easergy P3U 3CT 1Io ringlug 4VT 16DI 8DO 48-230V DI110V 2LC - Schneider Electric

Cat No. REL52021
Category Protection Relays/Protective Relays
Stock Back Ordered
Condition Brand New, Sealed Packaging
Please contact us for the exact delivery timeline

Back Ordered

Lead Time: 25 Working Days.

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Product Details

Schneider Electric REL52021 - Perfectly suited for buildings and industry, utilities, and large industrial processes. The relay include protection for overcurrent, overload, broken conductor, earth-fault and breaker failure as per ANSI. It also feature an automatic recloser, a switch ON to fault, inrush protection and lockout among others. Simple, reliable, safe and easy-to-use, thanks to the User Interface display. The protection relay can to be supplied by a 48 VAC/VDC to 230 VAC/VDC network. It include 16 digital inputs, 2 LC communication ports and 1 USB on front of the device. Mechanical dimensions are 169.5 mm in height, 170 mm in width and 205 mm in depth. The relays are certified with EN 60255-26 for electromagnetic compatiblity. We are dedicatedly involved in providing an excellent quality products at Electrihub

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Product Overview

Schneider Electric REL52021 - Perfectly suited for buildings and industry, utilities, and large industrial processes. The relay include protection for overcurrent, overload, broken conductor, earth-fault and breaker failure as per ANSI. It also feature an automatic recloser, a switch ON to fault, inrush protection and lockout among others. Simple, reliable, safe and easy-to-use, thanks to the User Interface display. The protection relay can to be supplied by a 48 VAC/VDC to 230 VAC/VDC network. It include 16 digital inputs, 2 LC communication ports and 1 USB on front of the device. Mechanical dimensions are 169.5 mm in height, 170 mm in width and 205 mm in depth. The relays are certified with EN 60255-26 for electromagnetic compatiblity. We are dedicatedly involved in providing an excellent quality products at Electrihub

Frequently Asked Questions for REL52021

The Schneider Electric REL52021 protection relay is designed for feeder and motor protection and typically supports overcurrent, earth-fault, and short-circuit protection, helping safeguard electrical assets and distribution networks.
It is widely used in industrial panels, motor control centers (MCC), substations, distribution feeders, and critical power systems requiring reliable protection coordination.
It continuously monitors electrical parameters and isolates faulty circuits quickly, reducing equipment damage, unplanned downtime, and operational risk.
Yes, engineers can configure the Schneider Electric REL52021 relay using Schneider configuration software or front-panel interface, with clear parameter settings and built in diagnostics.
Depending on the variant, it supports industrial communication protocols such as Modbus, IEC 61850, or Ethernet for remote monitoring and SCADA integration.
Pricing varies based on protection functions, communication features, and model series. Visit Electrihub for updated Schneider protection relay pricing and availability.
The official datasheet for the Schneider Electric REL52021 protection relay is available on Electrihub, including wiring diagrams, technical specifications, and installation guidelines.
Yes. RAS Electrihub Private Limited provides PAN India delivery with reliable logistics, safe packaging, and doorstep delivery across all states and union territories.
Yes. RAS Electrihub Private Limited issues GST-compliant invoices and also supports PO-based invoicing for businesses, contractors, and organizations across India.
Yes. RAS Electrihub Private Limited operates as an ISO-certified organization, ensuring quality sourcing, authentic products, and standardized procurement and delivery processes.
The price of Schneider REL52021 Protection Relay depends on specifications, availability, and market conditions. You can check the latest GST-inclusive price on Electrihub India, which provides genuine products, transparent billing, and PAN India delivery.

Reviews & Ratings

3.9
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Harish Malhotra Feb 25, 2026

Ordered the REL52021 from ElectriHub India for a critical retrofit. Arrived sealed in original branding and our engineers approved it for installation right away.

Ravi Shankar Feb 25, 2026

Bought multiple units of REL52021 from ElectriHub India for a large panel project. All arrived in original packaging with documentation. Quality is consistent and top-grade.

Lalitha Bose Feb 25, 2026

Our procurement team specifically prefers ElectriHub India for electrical components now. Consistent quality, genuine products, and reliable after-sales support. Keep it up!

Usha Chatterjee Feb 25, 2026

The REL52021 has been integrated into our automation system for over 2 months with zero issues. ElectriHub India delivered fast and at a great competitive price.

Vikram Singh Feb 6, 2026

Installation of REL52021 was straightforward, and the wiring terminals are well-designed for panel builders.

Robert Miller Feb 6, 2026

The relay’s self-diagnostics and event records in REL52021 helped us quickly analyze a breaker trip incident.

Pooja Kulkarni Feb 6, 2026

We replaced an older relay with REL52021 and saw immediate improvement in fault discrimination and reliability.

Thomas Anderson Feb 6, 2026

REL52021 delivered stable performance under fluctuating load conditions in our manufacturing facility.

Related Categories

Medium Voltage Products Protection Relays/Protective Relays VCB VCB Acessories

Tags

# REL52021 # Easergy P3U 3CT 1Io ringlug 4VT 16DI 8DO 48-230V DI110V 2LC # Schneider Electric # Schneider REL52021 # Electrihub
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