Feeder Protection Relay PSF640

Description

The PSF640 IED (intelligent electronic device) is designed for the protection, control, measurement, and supervision of utility distribution substations and industrial power systems feeders. This includes grounded, non-grounded, resistance-grounded or compensated grounded networks with or without distributed power generation.

Key Features

• Main and backup for overhead lines and cable feeder protection
• Current, voltage, frequency, switch-onto-fault, and power protection
• Earth fault protection
• Auto-reclosing