REJ603BBB10NN3XC
PublishedFeeder Protection Relay
ABBElectrical & LightingRelayIndustrial supply
ABB REJ603 (REJ603BBB10NN3XC) self-powered numerical feeder protection relay deriving power from main CTs, for transformers and secondary distribution switchgear. Non-directional overcurrent and earth-fault protection.
Wholesale supplyREJ603BBB10NN3XC
No public pricingPriced per agreement on volume and market. Send your quantities — Kaysan replies with availability and wholesale terms.
Product identity6 fields
Item nameFeeder Protection Relay
Item number / codeREJ603BBB10NN3XC
BrandABB
Product lineIndustrial supply
CategoryElectrical & Lighting
Product typeRelay
Technical data10 rows
Advanced ProtectionOffers multiple inverse time characteristics for better coordination with network protection schemes
ApplicationsIdeal for secondary distribution networks, ring main units (RMUs), and compact switchgear
Compact DesignSaves space in switchgear installations
Inputs and OutputsIncludes CT inputs for phase current and earth-fault measurement
LED IndicatorsProvides clear status and fault indications
MountingCompact design for easy installation in switchgear panels
Operating TemperatureSuitable for a wide
Power SupplySelf-powered via current transformers
REJ603 REJ603BBB10NN3XCrelay is a numerical relay that derives its operating power from the main current transformers. This makes it ideal for installations in remote or unmanned subs
Self-Powered OperationEliminates the need for auxiliary power supplies
Reference numbers1 public
ABBREJ603BBB10NN3XC