Description
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
Our Advantages
Exact match for many brands
We make replacements easy with an exact match for almost any brand.
We use OEM catalogs to match your part number
Don't worry about ordering the wrong part by matching your part number with our OEM catalogs.
Competitively priced
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Orders usually ship the same day
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Individually inspected
Before any package is shipped we carefully inspect every product to ensure quality.
Guaranteed for one full year
All of our New Surplus and Reconditioned products come with a 1 year warranty.
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Michael T. –
Tested the proximity switch, response time is spot on. Recommended for industrial use.