ABB RET650 Transformer Protection Module
The ABB RET650 delivers high-performance protection for critical power transformers, preventing system failures from faults and overloads. Engineered for reliability in demanding electrical networks, it safeguards transformers against operational anomalies while ensuring uninterrupted power distribution across industrial and commercial facilities.
| Parameter | Specification |
|---|---|
| Model Number | RET650 |
| Brand | ABB |
| Voltage Rating | Up to 400V |
| Frequency Range | 50/60Hz |
| Protection Functions | Overcurrent, Short Circuit, Ground Fault |
| Certifications | CE, RoHS |
| Dimensions (D×H×W) | 250mm × 350mm × 150mm |
| Weight | 1.5kg |


Applications & Compatibility
Ideal for substations, manufacturing plants, and power generation facilities. Compatible with ABB’s Relion® protection series and integrates seamlessly with IEC 61850 systems. Commonly paired with REF615 feeder protection relays for comprehensive grid security.
Apex Automation Services
Founded in 2014, Apex Automation provides ready-to-ship industrial solutions with expert technical support. Our services include:
- 1-year comprehensive warranty on all products
- Pre-sales technical consultation and system integration guidance
- Priority troubleshooting and replacement support
- Custom sourcing for obsolete or specialized equipment
Contact us for pricing and availability: WhatsApp Support or email anikaqx@gmail.com. Can’t find your model? We’ll source it within 72 hours.

















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