Product Core Brief
- Model: RET615
- Brand: ABB
- Series: Relion 615 Series
- Core Function: Provides dedicated differential protection, control, and voltage regulation for two-winding power transformers and power stations.
- Type: Transformer Protection and Control Relay
- Key Specs: Supports IEC 61850 Edition 2, features standard configuration options (A or B), accommodates 48–250 V DC / 100–240 V AC auxiliary power.
- Condition: New Original (New Surplus) — not refurbished.
Product Introduction
Looking for a compact, reliable option for two-winding power transformer protection? The ABB RET615 functions as a dedicated transformer management relay within the Relion product family, safeguarding distribution transformers against internal winding short-circuits and thermal overloads. This compact unit mounts directly into your medium-voltage switchgear panel, wiring easily to standard current and voltage instrument transformers.
Implementing this specific controller slashes system engineering overhead by utilizing pre-defined standard configurations tailored for common transformer layouts. Honestly, its native support for high-speed horizontal GOOSE communication over Ethernet optimizes substation automation performance. That engineering approach cuts copper control wiring by up to 40% while accelerating bus-bar interlocking trip times to under 10 ms.







