SPAU140C
PublishedSynchro-Check Relay
ABBElectrical & LightingRelayIndustrial supply
ABB SPAU 140 C synchro-check relay supervising voltage, frequency, and phase angle between two power system sources to ensure safe circuit-breaker closing. Includes dead-bus detection and configurable closing angle limits.
Wholesale supplySPAU140C
No public pricingPriced per agreement on volume and market. Send your quantities — Kaysan replies with availability and wholesale terms.
Product identity6 fields
Item nameSynchro-Check Relay
Item number / codeSPAU140C
BrandABB
Product lineIndustrial supply
CategoryElectrical & Lighting
Product typeRelay
Technical data13 rows
RangeAdjustable supervision for system synchronization Phase Angle Supervision
Auxiliary SupplyCompatible with standard control‑voltage levels
Clear IndicationsLED status and operation signaling for easy monitoring
Communication/InterfaceFront‑panel indicators and configuration switches
Dead‑Bus DetectionAllows closing when one side is de‑energized
Fast ResponseSupports rapid synchronization and breaker operation
Flexible SettingsWide adjustment ranges for precise system matching
Frequency RangeAdjustable supervision for system synchronization
High ReliabilityProven ABB protection relay platform for utility and industrial systems
MountingPanel‑mounted protective relay housing
Output ContactsRelay outputs for breaker control and interlocking
Phase Angle SupervisionConfigurable closing angle limits
Rated Voltage InputsSupports typical medium‑voltage and high‑voltage secondary measurement ranges
Reference numbers1 public
ABBSPAU140C