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Feeder Protection Relay GEGT SR737-CASE737-1-1-HI-485 RS-485
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GEGT SR737-CASE737-1-1-HI-485
Reliable digital feeder protection relay offering comprehensive overcurrent and earth fault protection with Modbus communication for medium-voltage power distribution networks.
| Brand | GEGT |
| Model | SR737-CASE737-1-1-HI-485 |
| Voltage | 110-240V AC/DC auxiliary, 50/60 Hz |
| Country of Origin | China |
| Weight | 2.5 kg |
| Dimensions | 144 x 144 x 110 mm |
| Warranty | 6 months (used/refurbished) |
| Certifications | CE, IEC 60255, IEEE C37.90 |
| SKU / MPN | SR737-CASE737-1-1-HI-485 |
| What’s in the box | Feeder protection relay unit, mounting brackets, terminal connectors, user manual |
| Protection Functions | Overcurrent (50/51), Earth Fault (50N/51N), Thermal Overload (49) |
| Communication | RS-485 Modbus RTU |
| Current Input | 1A / 5A selectable CT secondary |
| Auxiliary Power | 110-240V AC/DC universal |
| Display | Backlit LCD with LED status indicators |
| Mounting | Panel cut-out / flush mount with CASE737 enclosure |
Key benefits: Multi-function protection in one unit, RS-485 Modbus for SCADA integration, universal auxiliary power supply, high inrush withstand capability, compact flush-mount design, easy-to-read LCD interface.
Typical applications: Medium-voltage feeder bays in substations, industrial switchgear panels, distribution automation, motor feeder protection, transformer secondary protection, power plant auxiliary feeders.
Lifecycle: Mature used/refurbished product, available while stocks last, replacement parts limited
1 review for Feeder Protection Relay GEGT SR737-CASE737-1-1-HI-485 RS-485
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James P. –
Profibus modules arrived with proper firmware version. Plug and play.