Famous Distribution Switchboard Manufacturer – LZZBJ9-20 type current transformer – Changan Group

Designation

overview

LZZBJ9-20 casting resin insulated post type current transformer is used for the current, power measurement and relay protection in power system with rated 50Hz or 60Hz and rated voltage 20kV.This product conforms to the standard of IEC60185 “current transformer’

Structure introduction

The primary winding and secondary winding of the transformer is completely encapsulated in the epoxy resin casting body, which is a fully sealed structure. There are four mounting holes, grounding bolts and nameplate on the base

Working conditions

Altitude not exceeding 1000m
Ambient temperature is not higher than +40℃and not lower than -5℃．
The relative humidity of ambient air is not higher than 80%(20℃）；
The product has passed the direct vibration test and can withstand the vibration test of 0.4g sinusoidal three-wave acceleration equivalent to the Richter’s
Nine-degree crack

Outline and installation dimension drawing

Ordering instruction

Type and current ratio class of accuracy and corresponding secondary load Insulation level and working environment.