PSL641UX Line Protection and Control Unit

Guodian Nanjing Automation PSL641UX Line Protection and Control Device

1.3.1 Line Protection and Control Device
PSL 641UX line protection and control device, with overcurrent protection as the main protection, is suitable for the protection and control of transmission or distribution lines.
1.3.2 Transformer Protection and Control Device
a) PST 641U transformer differential protection device is suitable for transformers with a capacity of 6.3MVA and above or important transformers in industrial enterprises;
b) PST 642U transformer protection and control device is suitable for backup protection of transformers with a capacity of 6.3MVA and above or important transformers in industrial enterprises;
c) PST 645UX transformer protection and control device, with overcurrent protection as the main protection, is suitable for station service/grounding/plant transformers.
1.3.3 Capacitor Protection and Control Device
PSC 641UX capacitor protection and control device is suitable for the protection and control of shunt capacitor banks in substations, configured with differential voltage (or current) and unbalanced voltage (or current) inputs.
1.3.4 Reactor Protection and Control Device
PST 648U reactor protection and control device is suitable for the protection and control of series and shunt reactors at voltage levels of 35kV and below.
1.3.5 Automatic Transfer Switch Equipment
641UX automatic transfer switch equipment, with 7 typical wiring modes for backup power switching, is suitable for automatic transfer of backup power in various wiring configurations at different voltage levels.
1.3.6 Motor Protection and Control Device
a) PSM 641UX motor protection and control device, including differential function, is suitable for the protection of large asynchronous or synchronous motors with a capacity of 2MW and above;
b) PSM 642UX motor protection and control device, without differential function, is suitable for the protection of 3~10kV asynchronous motors.