Precise Timing | SEL-2401 | SEL-2407 | SEL-3400 | SEL-3401 | SEL ICON | SEL-2488 |
---|---|---|---|---|---|---|
Applications | ||||||
Time Source for Substation and Industrial Applications | ||||||
Digital Secondary Systems (Sampled Values) | ||||||
Time Source for Phasor Measurement Unit (IEEE C37.118.1-2011 Synchrophasors) | ||||||
Time Source for Recloser | ||||||
Time Source for Line Current Differential Protection, Traveling-Wave Fault Locating, and Time-Synchronized Event Reporting | ||||||
Network Time Synchronization Applications Using the Network Time Protocol (NTP) | ||||||
Time Sources and Time Distribution | ||||||
Demodulated IRIG-B Outputs (Quantity) | 1 | 6 | 12 | 4+ | 4 | 9 |
Modulated IRIG-B Outputs (Quantity) | 1 | up to 4 | ||||
Optional 10 MHz Frequency Outputs (Quantity) | 6 | |||||
GPS Satellite Tracking | ||||||
GLONASS Satellite Tracking (Verification Only) | ||||||
Satellite Signal Verification | ||||||
Demodulated IRIG-B Input | ||||||
Synchronized Pulse Output | ||||||
NTP Server | ||||||
IEEE 1588-2008 Precision Time Protocol (PTP) Input (With ITU-T G.8275.1 Telecom Profile) | ||||||
IEEE 1588-2008 PTP Output (With IEEE C37.238-2011/2017 Power System and IEC/IEEE 61850-9-3:2016 Power Utility Automation Profiles) | ||||||
Features | ||||||
Large, 76.2 mm (3.0 in) Tall LED Display for Long-Distance Viewing (61 m [200 ft]) | ||||||
14 mm (0.56 in) Tall Display | ||||||
Rack-Mount Hardware | ||||||
Panel-Mount or Wall-Mount Hardware | ||||||
Universal Power Supply | ||||||
Dual, Redundant, Hot-Swappable Power Supplies (High-Voltage or Low-Voltage) | ||||||
Power Over Ethernet (PoE) Power Sourcing Equipment (PSE) | ||||||
Parallel Redundancy Protocol (PRP) and Ethernet Failover Support | ||||||
Secure Web Interface for Configuration | ||||||
Serial Ports for Configuration | ||||||
User-Based Accounts | ||||||
TCXO Holdover | ||||||
OCXO or DOCXO, High-Stability Holdover | ||||||
Cable Delay Compensation | 1 | |||||
IEEE C37.90 and IEC 60255 Surge and Environmental Standards Compliance | ||||||
Accuracy | ||||||
Average Accuracy (ns) | ±100 | ±100 | ±40 | |||
Peak Accuracy (ns) | ±500 | ±500 | ±1,000 | ±100 |
Standard feature
Model option/accessory
1 SEL-2488 includes antenna cable delay compensation