PHASE DIRECTIONAL OVERCURRENT RELAY, US $18,379.50 – Picture 0

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Phase Directional Overcurrent Relay

US $18,379.50

Hemet, California, United States
Jan 29th

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The Type JBC relays are phase directional overcurrent relays that are used primarily for the protection of feeders and transmission lines. They are available with inverse, very inverse, or extremely inverse time characteristics. All the JBC relays contain a time overcurrent unit of the induction disk type, an instantaneous overcurrent cup type unit, and an instantaneous directional cup type unit. The directional unit is quadrature polarized, and it directionally controls the operation of both the time overcurrent disk unit and the instantaneous cup unit. Those relays having the designation Y1A following the model number also contain a Hi-Seismic instantaneous unit of hinged armature contruction. This unit is non directional and has a self-contained hand reset target that will show whenever the unit has operated. Two target seal-in units are provided in each of the relays. The operating coil of each of these units respec.tively is connected in series with the contacts of the time overcurrent unit and the instantaneous overcurrent unit. The contacts of each seal—in unit respectively are connected in parallel with the contacts of the time overcurrerit unit and the instantaneous overcurrent unit to provide protection for them and the associated control spring.

Condition	Manufacturer refurbished : An item that has been professionally restored to working order by a manufacturer or manufacturer-approved vendor. This means the product has been inspected, cleaned, and repaired to meet manufacturer specifications and is in excellent condition. This item may or may not be in the original packaging. See the seller’s listing for full details.
Seller Notes	“* YOU ARE BUYING THE RELAY AND THE FRONT PLATE COVER, NO CASE INCLUDED.* The item comes with a test report shows all functions to be tested and passed inspection per factory standard.”