RET-521 1MRK001530-AE ABB
Product Core Brief Model: RET-521 (Part Number: 1MRK001530-AE) Brand: ABB Series: Protection IT / 500 Series Core Function: Provides fast, selective differential protection, terminal control, and monitoring for two-winding or three-winding power transformers. Type: Transformer Protection Terminal Key Specs: Operates on 110–220 V DC auxiliary supply, includes dual-port fiber optic communications, incorporates multi-processor configuration. Condition:…









