RET316*4 ABB | Digital Protection for 2-Winding & 3-Winding

RET316*4 ABB | Digital Protection for 2-Winding & 3-WindingProduct Overview The ABB RET316*4 (Part Number: HESG448750M2) serves as a high performance numerical protection solution for medium and high voltage power transformers. This digital relay provides specialized 87T differential protection alongside multi functional monitoring for two winding, three winding, and autotransformers. It safeguards critical infrastructureincluding generator step up unitsagainst internal faults, thermal stress, and abnormal

Redundancy Logic: Integrated TMR voter support for synchronized power distribution

the FS-TSAI-1620M ensures that analog data is transmitted to the logic solver with maximum precision and zero interference from ground loops

Does the FBM206 require an external power supply for the pulses

Parameter Specification Details Model Number SPNIS21 Manufacturer ABB / Bailey Product Type Network Interface Module (NIM) System Platform INFI 90

the module handles 4–20 mA analog signals with ±0

depending on your field wiring (2-wire vs

High-frequency filtering suppression prevents voltage ripple from cross-coupling into adjacent slots

Wiring Configurations: The 32 channels support high-density wiring

Superior Environmental Hardening: Emerson applies G3-level conformal coating to the KJ3202X1-BA1

the NFBU200-015 fits perfectly into standard 19-inch racks

The 900R08R-0200 is the base chassis

the ABB SPIET800 (SPIET800 Protocol Converter) provides direct physical and electrical execution of legacy network protocol encapsulation