SEL-411L Rơle bảo vệ so lệch dọc tích hợp điều khiển thế hệ mới

SEL-411L Advanced Line Differential Protection, Automation, and Control System

Ordering Information

Budgetary Price: $9,040	Fully Optioned Price: $15,785
Online Product Configuration

Apply the SEL-411L Relay for complete protection and control of any transmission line. The SEL-411L provides differential protection with both phase- and sequence-based operating elements for sensitivity and high-speed operation. Choose from many popular fiber and multiplexed communications options.

Distance protection and logic from a complete SEL-421 Protection, Automation, and Control System are included to provide backup protection and integration.

Any transmission line (short, long, or series compensated) can be well protected with the SEL-411L Relay.

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SEL-411L Advanced Line Differential Protection, Automation, and Control System