- ISO 9001 Certified
- 60+ Countries
- Made in India
- Warranty Backed
UNDER OVER VOLTAGE TIME RELAY
Description & Technical Specification
UNDER/OVER VOLTAGE TIME RELAY - Didactic equipment:
module with insulated panel, under/over voltage time relay, relay for monitoring the over-voltage and the under-voltage in an alternating three-phase mains.
Max adjustable set point: 0/+20% of the rated voltage. Min adjustable set point: 0/+20% of the rated voltage.
Adjustable delay timer activated when the max. set point is exceeded.
Adjustable delay timer activated when the min. set point is exceeded.
It must be possible to connect the three-phase line 3x380V to the terminals.
One output relay with two change over contacts: (5A – 230Vac) with resistive load.
NC contacts: device not supplied or in alarm
Self-supplied by the voltage to be monitored: (380 ÷ 418)
4 mm. safety terminals and 2 mm. terminals included on the front panel for the electrical connection.
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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