Relay Circuit Current Difference Card | GE L30-J03-HKH-F8L-H6E-L6U
Manufacturer: GE Fanuc
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Part Number: L30-J03-HKH-F8L-H6E-L6U N67-SXX-UXX-W7C
Condition：New with Original Package
Product Type: Line Differential Relays
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
GE L30-J03-HKH-F8L-H6E-L6U UR Series Line Current Differential Relay
The GE L30-J03-HKH-F8L-H6E-L6U, also cataloged as the GE L30 Line Current Differential Relay, operates as a dedicated hardware component for precise fault detection, breaker control, and adaptive reclosing within secure transmission and distribution networks.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | L30-J03-HKH-F8L-H6E-L6U |
| Brand | GE |
| Origin | USA |
| Weight | 5.0 kg |
| Dimensions | 100 mm x 80 mm x 20 mm |
| Operating Temp | -40 to +70 deg C |
| Power Consumption | Universal power supply allocation dependent |
| Power Supply | 24-250 VDC / 48-240 VAC universal range |
| Protection Functions | Line current differential, phase and ground overcurrent, breaker failure, over/under voltage, frequency protection |
| Communication Interfaces | Direct fiber, RS422, G.703, IEEE C37.94, Ethernet |
| Network Protocols | IEC 61850, Modbus, DNP3 |
| Synchrophasor Protocol | IEEE C37.118 compliant measurements over Ethernet |
| Control Logic | Breaker control, reclosing, interlocking, load shedding |
| Cybersecurity | Role-based access control, secure protocols, audit trails |
Industrial Control Backplane and Deterministic Network Coupling
The L30-J03-HKH-F8L-H6E-L6U utilizes dedicated bus transceiver pipelines to exchange phase angle data across distributed terminal locations. The platform implements native firmware flash compatibility to match internal sampling arrays with upstream substation automation processors. Through integrated Ethernet channels executing Profinet / EtherNet/IP deterministic networks, the module handles high-velocity I/O density scaling alongside real-time IEEE C37.118 synchrophasor data streams. This parallel calculation architecture ensures rapid current comparison calculations while maintaining galvanic separation across all local current transformer and voltage transformer secondary circuits.
Frequently Asked Questions
Q: How does the module handle wide-area measurement synchronization?
A: The internal processing engine executes IEEE C37.118-compliant synchrophasor measurements over the integrated Ethernet ports, transferring time-stamped grid metrics to remote monitoring platforms.
Q: What physical communication options exist for the differential protection loop?
A: The hardware accommodates direct fiber optics, RS422 interfaces, G.703 modules, and IEEE C37.94 links to maintain continuous logic coupling with the remote terminal.
Q: What internal power distribution constraints apply to this module?
A: The physical hardware operates across a wide universal input layer covering 24-250 VDC and 48-240 VAC ranges without requiring switch adaptations or configuration adjustments.
Field Installation Guidelines
- Rack Insertion and Ground Continuity: Slide the modular withdrawable block completely into the standard chassis frame. Torque the primary front locking screws to compress the backplane connectors and achieve solid low-impedance grounding paths to the master equipment enclosure.
- Current Transformer Wiring Constraints: Terminate all external current transformer and voltage transformer leads through shorting block structures. Ensure the external current transformer circuits remain permanently shorted prior to extraction of the physical module assembly to prevent high-voltage electrical arcing.
- Substation Shield Layer Grounding: Separate high-speed fiber or copper data communication runs from high-power distribution bus lines within the cabinet raceways. Ground the overall cable shield layers at the primary station grounding bus to prevent electromagnetic interference from distorting internal analog signals.