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Home GE Multilin 469 Motor Management Relay SR469-P5-HI-A20

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3 year warranty

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SR469-P5-HI-A20

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  • 4.9 (29)
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  • 4.9 (29)
  • Click a star to rate this product
The SR469-P5-HI-A20 offers four 4-20 mA analog outputs. The unit is CE-marked. This is a standard unit with 5A phase CT secondaries. Control power on this unit is rated at 90-300 VDC, 70-265 VAC @ 48-62 Hz.
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  • Part Number: SR469-P5-HI-A20
  • SKU: SR469P5HIA20GM
  • Manufacturer: GE Multilin
  • Series: 469 Motor Management Relay

SR469-P5-HI-A20 Technical Specifications

Manufacturer General Electric Company USA, GE Industrial Systems
Voltage Supply AC: 70 to 265 V @ 48-62 Hz
Series 469 Motor Management Relay
Phase Current 5A Phase
Protocol Modbus RTU/ Half Duplex
Analog Outputs 4-20 mA
Burden > 500 kΩ
Stall Ratio Hot and Cold Safe

About the SR469-P5-HI-A20

The SR469-P5-HI-A20 is a 469 Motor Management Relay from GE Multilin.  This is one of several versions of this equipment that is available as either new surplus or reconditioned used inventory from AX Control.   The SR 469 family is designed to be used in conjunction with medium voltage motors.  They offer motor protection with draw-out construction designed for quick replacement times.   The SR469-P5-HI-A20 is field-upgradable. 

The SR469-P5-HI-A20 offers four 4-20 mA analog outputs.  The unit is CE marked.  This is a standard unit with 5A phase CT secondaries.  Control power on this unit is rated at 90-300 VDC, 70-265 VAC @ 48-62 Hz.    One of the two ground CT inputs is designed for GE power management while the other is for a ground CT.   VT inputs on this unit will accommodate VTs in either a delta or wye configuration.   The unit comes with a case. 

The motor thermal modeling of the  SR469-P5-HI-A20 offers RTD biasing, motor cooling time constants, start inhibit and emergency restarts, unbalance biasing, and overload curves.  The unit also has a hot and cold safe stall ratio.  A deeper understanding of these features can be found by reading through original GE Multilin manuals. 

The  SR469-P5-HI-A20 includes a front faceplate with an LCD display, several areas of LED indicators, a dedicated keypad for inputs, and a communications port.  The sides of the unit are designed to allow airflow.  This allows the unit to remain within the proper operating temperature range.   Read through GE manuals and product user guides for additional information. 
 

Frequently Asked Questions about SR469-P5-HI-A20

For this SR469-P5-HI-A20 GE Motor management relay, should the resistance temperature detector biasing be enabled?
By enabling the resistance temperature detector biasing, the temperature of the stator sensors will be enabled and included in the calculations for the thermal capacity. The loss of data for cooling and high temperatures that are unusual can happen because the resistance temperature detector biasing is an element that protects and backs up the relay. These measures of temperatures are used in bias and can be changed for the thermal capacity value that is stored in this relay.
Is there a mid point for the resistance temperature detector bias for this SR469-P5-HI-A20 relay?
For the mid point of the resistance temperature detector bias, there is a 10 percent hot spot that is allowed to obtain the data sheets, plus the stator at 80 degrees celcius, which is a class F rise. An ambient temperature plus a temperature rise stator is a good mid point for the temperature to be set at, and the motors hot temperature is calculated the same way as the mid point temperature.
What does the S2 settings page contain about the GE SR469-P5-HI-A20 Motor Management Relay?
Setting for putting in the characteristics for the equipment on the motors electrical systems are what is contained on the S2 settings page. They can be found under the power system data and instrument transformer data headings in the manual, the manual can be found online as 1601-0122-A9 manual part number. With the information from the manual, the S2 settings can be programmed as directed.

Reviews For SR469-P5-HI-A20

Internal Review
(5.0)

The SR469-P5-HI-A20's event recording feature tracks the last 256 events of the system, noting data such as time, cause, date, and system parameters. The feature helps identify variables leading to system failures and reduces troubleshooting time for users. -AX Control Tech Team