- ISO 9001 Certified
- 60+ Countries
- Made in India
- Warranty Backed
COMBINED OVERCURRENT AND EARTH FAULT RELAY
Description & Technical Specification
COMBINED OVERCURRENT AND EARTH FAULT RELAY - Didactic equipment:
module with insulated panel, combined over-current & earth fault relay with programmable time-current curves suitable for protection of power distribution systems with insulated, resistance earthed or compensated neutral It must be provided with three phase-fault elements, three earth fault elements, time current curves selectable according to IEC/IEEE standards, a breaker failure protection, a trip circuit breaker control via serial port, a blocking output and blocking input for pilot wire selectivity coordination, a time tagged multiple event recording, oscillographic wave form capture, modbus RTU / IEC870-5-103 communication Protocols, display LCD 16 (2x8) characters, optional expansion input/output modules, rated input current selectable 1A or 5A, 50/60 Hz. 3rd harmonic filter on the neutral input current. .
4 mm. safety terminals and 2 mm. terminals included on the front panel for the electrical connection, Electrical Power Engineering Laboratory
Trusted by Ministries, Institutions & Industrial Buyers
For over four decades, Naugra has manufactured and exported workshop tools, laboratory equipment and turnkey training solutions to engineering colleges, TVET institutions, government tenders and industrial buyers across 60+ countries.
Manufacturer-Direct Pricing
Supplied directly from our manufacturing facility — no intermediaries, competitive export pricing and responsive technical support.
ISO 9001 Quality
ISO 9001:2015 quality management, CE compliance and calibration certificates accompany every shipment for procurement and audit compliance.
Tender & Export Experience
Registered vendor for World Bank, ADB, AfDB, UN and Exim Bank-funded tenders. Full bid-preparation, EMD and performance-guarantee support.
Installation & Training
On-site installation, commissioning, operator training and 12-month warranty cover included for institutional orders.
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