High Quality Low Voltage CT Current Transformer for Switch Gear

• Port: Ningbo, China
• Production Capacity: 100000PCS/Year
• Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram
• Application: Metering
• Type: Current Transformer
• Phase: Single
• Operation Condition: Outdoor
• Usage: Protection, Measurement
• Winding Form: Single Layer & Tightly Wound Type
• Insulating Medium: Epoxy Resin
• Installation: Extension Type
• Magnetic Circuit Structure: Single Stage Type
• Voltage Transformation Principle: Electromagnetic Type
• Trademark: DGG
• Transport Package: Export Box
• Origin: China
• HS Code: 8504311000

General

This type of transformer adopts integral casting structure, is applicable for power systems of rated frequency 50Hz or 60Hz and rated voltage up to and including 0.66kV, used for current measurement, electric energy metering, relay protection, etc.
It complies with the standard Q/GDW1572-2014 Technical specification of low-voltage current transformer for metering.



Use environment

1. Altitude:should not exceed 1000m
2. Ambient temperature:-5ºC~+40ºC
3. Air relative humidity:≤85%
4. Air relative site:indoor.

Technical parameter

1. Rated secondary current: 5A or 1A
2. Power factor: cosφ=0.8(lag)
3. Rated frequency: 50Hz or 60Hz
4. Rated primary current, rated output and accurate level see table 1
5. Insulating property: primary winding to secondary winding and ground, and secondary winding to ground can bear the power frequency withstand voltage 3kV for 1min.

Technical ratio
 

Type	Rated primary current(A)	Rated output VA(COS  phi=0.8lag)
		0.2S	0.2	0.5S	0.5	1
LFZ1D-DGG1	10-60	5-2.5	5-2.5	5-2.5	5-2.5	5-2.5
LMZ(1D,2D)-DGG1	75-500	5-2.5	5-2.5	5-2.5	5-2.5	5-2.5
LMZ(3D,4D)-DGG1	600-1500	10-3.75	10-3.75	10-3.75	10-3.75	10-3.75