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Voltage relay

Voltage relay used in relay protection devices for generators, transformers and transmission lines, as a starting element for overvoltage protection or low voltage blocking.

JY-45/A3 Series two-phase voltage relays

JY-45/A3 Series two-phase voltage relays

JY-45/A3 series two-phase voltage relays are digital AC voltage relays with delay function.It can be used in relay protection devices of generators, transformers and transmission lines as action element of over-voltage or und...

DJ-100 Series voltage relays

DJ-100 Series voltage relays

DJ-100 series voltage relays (hereinafter referred to as relays) are electromagnetic transient voltage relays.It is widely used as the starting element for low voltage and over voltage protection in the secondary circuit prot...

DY-4 Type negative sequence voltage relay

DY-4 Type negative sequence voltage relay

DY-4 type negative sequence voltage relay (hereinafter referred to as the relay) is used in the relay protection lines of generators and transformers as a voltage blocking element. It does not reflect the negative sequence co...

DY-20C 20D Series voltage relay

DY-20C 20D Series voltage relay

DY-20C,20D series voltage relays (hereinafter referred to as relays) are used in relay protection lines for generator, transformer and transmission lines for voltage increase (over-voltage protection) or voltage decrease (low...

DY-30 Voltage relay

DY-30 Voltage relay

DY-30 series voltage relays, used in relay protection lines as operating elements for overvoltage protection or low voltage latching. The relay is electromagnetic and operates instantaneously. The magnetic system has two coil...

LY-30 Series voltage relays

LY-30 Series voltage relays

The relay is rectifying type transient voltage relay, used as undervoltage latch-on starting element in the circuit of relay protection device, replacing DJ-100A series, DY-36C-DY-29C,DY-35 and type 36 voltage relays.

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