GE Multilin SR469-P5-HI-A20-T 469 Series Relay

The GE 469-P5-HI-A20-E-H is a type of protective relay manufactured

by General Electric (GE). Protective relays are devices that are used in

electrical power systems to detect abnormal conditions, such as

overcurrent or under/overvoltage, and to isolate the affected equipment

from the rest of the system to prevent damage or failure.

The GE 469-P5-HI-A20-E-H relay is a member of GE's Multilin 469 family

of relays, which are designed to provide comprehensive protection and

monitoring for power systems. This particular model is a high-impedance

differential relay, which means it is primarily used to protect transformers

and generators against internal faults.

The "469" in the name refers to the family of relays, the "P5" indicates 

that it is a high-impedance differential relay, the "HI" refers to the

high-impedance characteristics of the relay, and the "A20" indicates that

it has 20 current inputs. The "E" indicates that it has an Enhanced Display,

and the "H" indicates that it is conformally coated.

A 469-P5-HI-A20 relay with basic display is a type of electronic relay

device used in power system protection and control applications.

Here is what each part of the model number refers to:

469: This refers to the series of relays made by the manufacturer,

GE Power Management. The 469 series is designed for use in power

system protection and automation.

P5: This refers to the specific model within the 469 series. The P5

model is a high-speed, multifunctional protective relay.

HI: This refers to the input voltage range that the relay is designed

to handle. The HI designation means that the relay can handle voltages

up to 250 VAC or 300 VDC.

A20: This refers to the type of output contacts on the relay. In this case,

the A20 designation means that the relay has 20 Form-A (normally open)

contacts.

Basic Display: This refers to the type of display on the relay. A basic display

typically includes basic information such as relay status, alarm conditions,

and fault data.

Overall, the 469-P5-HI-A20 relay with basic display is a high-speed,

multifunctional protective relay that is designed to handle input voltages

up to 250 VAC or 300 VDC and has 20 normally open output contacts.

The basic display provides essential information about the relay's status

and any alarm conditions or faults.

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