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Help CenterGE Multilin SR469-P5-HI-A20-E Motor Management Relay
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The SR469-P5-HI-A20-E is from GE Multilin and is part of the SR 469 Motor Management Relay line. This unit is designed with 5 amp phase CT secondaries. Designed for use with medium-voltage motors, SR 469 relays offer integrated management and protection. AX Control maintains on-hand stock of a number of different Multilin SR 469 relays. The SR469-P5-HI-A20-E offers 70-265 VAC, 90-300 VDC control power. This unit has an enhanced front panel. However, if you need a unit that can be used within a harsh environment, please refer to our listing for the SR469-P5-HI-A20-E-H, which is like this unit in every way with the exception of an additional harsh environment conformal coating. The SR469-P5-HI-A20-E has a well-designed front panel that offers ease of use. The panel includes an RS-232 program port interface with a 9600 baud rate, programmable up to 19,200 baud. This panel has a draw-out handle that can be sealed to prevent any sort of unauthorized removal. The front panel has a large LCD display with forty character capabilities. Users can see diagnostic messages like trips or alarms locally through this display. Additionally, the panel has motor and output status indicators, unit indicators, a numeric keypad, control and programming keys, including a reset, escape, and menu button, and value keys that will allow users to change setpoint values. GE Multilin manuals and user guides will provide further details about this unit, including information regarding installation, handling, safety, and maintenance. AX Control can help with replacement manuals if you no longer have your originals.
Functional Features: It has functions such as overload protection, short-circuit protection, and phase-loss protection. It can quickly cut off the power supply when there are abnormalities in the motor or circuit, protecting the safety of equipment and personnel. Equipped with multiple RTD inputs, it can monitor the actual temperature and hot spot temperature of the motor system to ensure that the motor is in the optimal operating state and guarantee safety. It has 4 analog outputs (4 - 20mA) and 9 optically isolated digital inputs, enabling comprehensive monitoring and control functions. It also has software support, which is convenient for users to set up and configure, and can be seamlessly integrated into existing industrial systems. Technical Parameters: The control power supply range is 90 - 300VDC or 70 - 265VAC, and the frequency range is 48 - 62Hz. The phase current input is 5A. The operating temperature of the device is from - 40°C to + 60°C, and the storage temperature is from - 40°C to + 80°C. The protection level is 20 - X, the overvoltage category is II, the insulation voltage is 300V, and the pollution level is 2.
Product Advantages: It is manufactured with high-quality materials and advanced processes, featuring high sensitivity and rapid response, and can accurately detect and respond to the operating status of the motor. The relay has a compact design, is easy to install, and simple to use. Users can configure and adjust it according to their needs. At the same time, it is made of materials that are resistant to high temperatures and corrosion, has a long service life and high reliability, and can ensure long-term stable operation. Application Areas: It is suitable for the control of various types of motors and circuits, and is widely used in fields such as industrial automation, power, transportation, and construction. It can provide reliable protection and monitoring for medium and large motors in different industries.
Main Products：
Covering world-renowned brands:
Bently Nevada、Triconex、Woodward、Foxboro、Westinghouse、Reliance、Schneider Modicon、ABB、Allen-Bradley、Motorola、GE Fanuc、Yaskawa、ACSO、YOKOGAWA、Rexroth、NI、Bosch Rexroth、ICS Triplex、Kollmorgen、Mitsubishi、MOOG、Emerson、B&R、SST、ALSTOM、EPRO、HIMA、HONEYWELL、prosoft、AMAT 、SIEMENS、KUKA、LAM
Product categories include: DCS system parts, robot system spare parts, large-scale servo system components, widely applied in power, chemical, metallurgy, smart manufacturing, and other industries.
Service Advantages：
✅ Original imports with quality assurance
✅ Ample stock for rapid delivery
✅ Professional team for technical support
✅ Global logistics for worry-free coverage
Frequently Asked Questions about SR469-P5-HI-A20-E What should be done about unbalanced bias of thermal capacity's and bias K factors with a GE SR469-P5-HI-A20-E Motor Management Relay? With a GE SR469-P5-HI-A20-E Motor Management Relay having an unbalaned bias of thermal capacity's, it should be enabled to the thermal capacity usage so the heating effect of the unbalanced bias currents are added to the thermal capacity. With an unbalanced bias K factor the value is calculated by the contribution of the negative current that flows in the rotor due to the unbalance of the K factor. There is a formula that is based on data stats that are empirical to the letter "K", and it is equal to 230 divided by the per unit locked rotor current that is all squared. The locked rotor amps = 631 percent FLA or 6.31 multiplied by the FLA. What is the hot and cold curve ratio for this Relay SR469-P5-HI-A20-E? By using the data sheets from the SR469-P5-HI-A20-E Relay, the safe stall hot and cold time curve ratio is set as 16/18 which is equal to 0.89. The hot and cold curve ratio is simply calculated by dividing the hot safe stall time by the cold safe stall time, the motor thermal limits curve can be used as well. What is the resistance temperature detector bias maximum rating at for the SR469-P5-HI-A20-E Relay? The resistance temperature detector bias maximum rating is a settings that is set at the rating for the insulation or set slightly lower. To set the resistance temperature detector maximum bias to a class F insulation is to be rated at 155 degrees celcius in the motor.
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