7SJ5311-4EA02-1AA0/FF
PublishedSIPROTEC Numerical Protection Relay
SiemensElectrical & LightingProtection RelayIndustrial supply
SIPROTEC 7SJ531 numerical protection relay from Siemens for motor and power line protection. Provides overcurrent, earth fault, overload and voltage protection with 5 current and 3 voltage transformer inputs, 11 binary inputs, 5 alarm relays and 4 command relays. Auxiliary voltage 24-250V DC; communication via IEC 870-5-103 and DIGSI. CE/RoHS certified.
Wholesale supply7SJ5311-4EA02-1AA0/FF
No public pricingPriced per agreement on volume and market. Send your quantities — Kaysan replies with availability and wholesale terms.
Product identity6 fields
Item nameSIPROTEC Numerical Protection Relay
Item number / code7SJ5311-4EA02-1AA0/FF
BrandSiemens
Product lineIndustrial supply
CategoryElectrical & Lighting
Product typeProtection Relay
Technical data13 rows
TypeNumerical Protection Relay Series
Voltage24V
Analog Inputs5 current transformer inputs, 3 voltage transformer inputs
Auxiliary Voltage Options24V / 48V / 60V / 110V / 125V / 220V / 250V DC
Communication InterfacesIEC 870-5-103 (SCADA), DIGSI software, modem support
ComplianceCE, RoHS certified
Comprehensive ProtectionOvercurrent, earth fault, overload, undervoltage/overvoltage, motor and transformer protection
Control CapabilitiesOperates up to 5 switching devices via panel, binary inputs, or SCADA
Digital I/O11 binary inputs, 5 alarm relays, 4 command relays
Dimensions (W x H x D)26.00 cm × 33.00 cm × 9.50 cm
Directional DetectionPhase-selective for both phase and earth faults
Energy MeteringTracks active and reactive energy
Event LoggingReal-time clock with timestamped fault and operational logs
Reference numbers1 public
Siemens7SJ5311-4EA02-1AA0/FF