Description
Function Configuration
1. Protection Functions
a) Three-stage overcurrent protection (instantaneous overcurrent, time-delayed overcurrent, definite-time overcurrent). Each stage can be enabled or disabled independently; trip or alarm output is selectable.
b) Reclosing function: three-phase three-shot automatic reclosing.
c) Post-reclosing acceleration function: three-stage overcurrent accelerated protection and two-stage zero-sequence overcurrent accelerated protection.
d) Overload protection: trip or alarm output is selectable.
e) Two-stage zero-sequence overcurrent protection: trip or alarm output is selectable.
f) Inverse-time overcurrent protection.
g) Zero-sequence overvoltage protection: trip or alarm output is selectable.
h) Undervoltage protection: trip or alarm output is selectable.
i) Overvoltage protection: trip or alarm output is selectable.
j) Non-electrical quantity protection: trip or alarm output is selectable.
Installation Dimensions
- Outline dimensions (W×H×D): 153×192×60 mm; depth including terminal board: 68 mm
- Cutout dimensions (W×H): 142×163 mm
- Mounting type: flush mounting / embedded mounting
Application Scope
The microcomputer integrated protection device is suitable for the protection of feeders, motors, transformers and capacitors at 10kV and below. It integrates protection, measurement and control functions.
It can be installed locally in switchgear or mounted in a centralized panel. Equipped with an RS485 communication interface, it can form an automation system with other protection and automation devices via communication links.
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