Phase monitoring relay SEL-321-5
distanceover-currentprogrammable

phase monitoring relay
phase monitoring relay
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Characteristics

Measured/monitored value
phase, distance, over-current
Other characteristics
programmable, digital

Description

SEL-321-5 Phase and Ground Distance Relay The SEL-321-5 Relay is designed especially for EHV and HV applications on 50 Hz systems. The relay provides enhanced single-pole tripping, phase and ground distance, directional overcurrent, negative-sequence overcurrent, and fault locating. The SEL-321-5 Relay contains all the protective elements and control logic necessary to protect, monitor, and control overhead lines.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.