中文版
Description
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
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.
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