Lzzb9 24/35kv 200-1250A Indoor Current Transformer for High Voltage Switchgear

• Application: Electronic, Instrument, Power System
• Type: Current Transformer
• Phase: Single
• Operation Condition: Indoor
• Usage: Protection, Measurement
• Winding Form: Small Fixed Type
• Model NO.: LZZB9
• Insulating Medium: Epoxy Resin
• Installation: Strut Type
• Magnetic Circuit Structure: Single Stage Type
• Voltage Transformation Principle: Electromagnetic Type
• Rated Primary Voltage: 10-3150A
• Accuracy Class Combination: 0.2s/0.2s 0.2s/0.5s 0.2s/5p 0.5s/5p 5p/5p
• Rated Secondary Output: 10-50va
• Dynamic Current: 3.6-375lin/2 Ka
• Rated Insulation Level: 12/42/75 Kv
• Rated Frequency: 50/60Hz
• 1s Thermal Current: 1.44-150lin/2 Ka
• Transport Package: Carton
• Specification: 490*300*514mm
• Trademark: CNKC
• Origin: China
• Production Capacity: 5000PCS/Monthly

Product Description

Product Description
The LZZB9 series current transformer is a fully enclosed epoxy pouring structure, the core is made of high quality magnetic conductivity material, there are three secondary windings, which are suitable for electrical measurement and electrical protection in power system with rated frequency of 50 Hz and rated voltage of 24KV and lower indoor devices. This product is the latest generation of high precision, high dynamic thermal stability, large capacity products

Model Description



Product technical parameters and structure dimensions




Product features and scope of use 
Current transformer have the whole-sealed structure with epoxty resin as its main insulation. Its core adopts the crystallitic alloy or excellent silicon steel sheets to enwind becoming annular, then secondary leads are enwinded on it evenly. Primary conducts are winded by insulation belt to avoid short circuit between conducts. There are earth bolts and holes suitable for mounting on the bottom of the product suitable the mounting
Ambient temperature:-10ºC-+40ºC
Relative humidity:The average humidity of a day should be no more than 95%. The average humidity of a month should be no more than 90%.
Earthquake intensity: not exceed 8 degrees.
Saturated vapor pressure the average pressure of a day should be no more than 2.2kPa; the average pressure of a month should be no more
Than1.8Kpa;
The height above sea level:≤1000 m (Except special requirements)
It should be installed in the places without fire, explosion, serious filth, and chemical erosion and violent vibration.



Product details


Products real shot



A corner of the production workshop


Product packaging



Product application case