KEY FEATURES
Available to order in standard and G99 type tested variants
Used to detect a mains (utility) failure when in parallel with another supply
Designed to assist with integration with a number of world standards including G99/1, G98/1, G59/3, G83/3 & C10/11
Two-stage under & over frequency protection
Five stage under & over voltage protection
10 second rolling average over voltage protection
Voltage asymmetry protection
Vector shift protection
3 separate RoCoF protections
Incorrect phase sequence protection
Positive sequence under voltage protection
Negative sequence over voltage protection
Zero sequence over voltage protection (NVD protection)
Lockable security tab to prevent configuration changes after commissioning