REF542plus 2RCA029395
PublishedREF542plus Compact Digital Feeder Terminal
ABBElectrical & LightingProtection RelayIndustrial supply
ABB REF542plus modular digital feeder terminal for medium-voltage switchgear, part of the ProtectIT family. Integrates protection, control, measurement and communication. IEC 60870-5-103, Modbus RTU, DNP3.0; 1 A or 5 A current inputs; 50/60 Hz. Made in Switzerland.
Wholesale supplyREF542plus 2RCA029395
No public pricingPriced per agreement on volume and market. Send your quantities — Kaysan replies with availability and wholesale terms.
Product identity6 fields
Item nameREF542plus Compact Digital Feeder Terminal
Item number / codeREF542plus 2RCA029395
BrandABB
Product lineIndustrial supply
CategoryElectrical & Lighting
Product typeProtection Relay
Technical data14 rows
Model numberREF543
RangeCompatible with
Advanced Control FunctionsSupports interlocking, remote control, and automation logic
Analog InputsRTD/analog module support for temperature and signal monitoring
ApplicationFeeder protection in medium-voltage substations
Auxiliary VoltageConfigurable based on system requirements
Communication PortsRear and front panel RS-232, optical, and fieldbus connectors
Comprehensive ProtectionIncludes overcurrent, earth fault, and breaker failure protection
Condition MonitoringTracks equipment health and performance trends
ConfigurationSoftware-based function mapping and parameterization
Cybersecurity ReadySupports secure object control and time synchronization
Digital Inputs/OutputsMultiple configurable I/O
Display InterfaceIntegrated HMI with LED indicators and alarm signaling
Environmental RatingDesigned for harsh industrial conditions
Reference numbers1 public
ABBREF542plus 2RCA029395