489-P1-HI-A20-T-H SR489 Generator Management Relay

The 489-P1-LO-A20-E is a 489 Generator Management Relay from Multilin.  This unit has 1A phase CT inputs, a control voltage of 20 to 60VDC or 20 to 48 VAC @ 48-62 Hz.  The unit has a large LCD enhanced display and 4-20 mA analog inputs.

As part of GE’s SR family of relays, the 489-P1-LO-A20-E offers cost-effective protection and control packaged with advanced communications.  This unit is designed to pair with small to medium-sized generators to give protection and to reduce troubleshooting time.   The unit is easy to use and offers analog inputs for vibration monitoring along with RTDs for bearing thermal protection.

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Description

489-P1-HI-A20-T-H SR489 Generator Management Relay

Product Description

The 489-P1-LO-A20-E is a 489 Generator Management Relay from Multilin.  This unit has 1A phase CT inputs, a control voltage of 20 to 60VDC or 20 to 48 VAC @ 48-62 Hz.  The unit has a large LCD enhanced display and 4-20 mA analog inputs.

As part of GE’s SR family of relays, the 489-P1-LO-A20-E offers cost-effective protection and control packaged with advanced communications.  This unit is designed to pair with small to medium-sized generators to give protection and to reduce troubleshooting time.   The unit is easy to use and offers analog inputs for vibration monitoring along with RTDs for bearing thermal protection.

The 489-P1-LO-A20-E has a large, easy-to-read front panel with a forty character display located along its top edge.   This display allows users to view setpoints and actual value messages as well as diagnostic and default messages.    The front panel is fitted with a numeric keypad, value up and down keys, a program port interface, multiple status indicators, as well as control and programming keys.  The bottom edge of the front panel includes a draw out handle that can be fitted with a wire lead seal to prevent unauthorized removal.

The unit supports direct integration into the majority of DCS and SCADA systems.  The unit supports DNP 3.0, Modbus RTU, and Modbus TCP/IP.  The ground on this unit meets C37.90 EMI, SWC, RFI interference immunity.

For additional information please refer to original documentation from General Electric.  This may include manuals or user guides.  If you have questions about our warranty, shipping, or payment terms, please refer to our webpage or reach out to our staff.

SR489-P1-HI-A20-E-H

Product parameter

Analog Current Input Supply +24 V DC at 100 mA max
Energy Metering Update Rate 50 ms
Ingress Protection IEC60529 Standard
IRIG-B DC Shift TTL
Output/Neutral Current Inputs Conversion Range 0.02 to 20 × CT
Phase Differential Curve Shape Dual Slope
Relays Operation Time 10 ms
Voltage Phase Reversal Timing Accuracy 200 to 400 ms

Application field

Protection and Control
• Generator stator differential & 100% stator ground
• Loss of excitation & Overexcitation
• Distance backup
• Reverse power (anti-motoring)
• Ground directional overcurrent
• Inadvertent energization
• Breaker failure
• Stator and bearing thermal and vibration monitoring
• Negative sequence overcurrent
Communications
• Networking interfaces – RS232, RS485, 10Mbps copper Ethernet
• Multiple protocols – ModBus™ RTU, ModBus™ TCP/IP, DNP 3.0 Level 2
Monitoring & Metering
• Metering – current, voltage, power, Energy, frequency, power factor
• Demand – current, watts, vars, VA
• Temperature – 12 RTD inputs
• Vibration and Speed – 4 analog transducer inputs
• Oscillography – 12 samples/ cycle up to 128 cycles in length
• Trending – 8 parameters with up to a 5 second sample rate
EnerVista Software
• Document and software archiving toolset to keep information up to date
• Ease to use real time monitoring, control, and data archiving software available
• EnerVista Integrator providing easy integration of data in the 489 into new or existing monitoring and control systems

Please contact Sunny sales@xiongbagk.cn for the best price.

➱ sales manager: Sunny
➱ email mailto: sales@xiongbagk.cn
➱ Skype/WeChat: 18059884797
➱ phone/Whatsapp: + 86 18059884797
➱ QQ: 3095989363
➱ Website:www.sauldcs.com

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