Fully Enclosed Indoor Types of Single Phase Energy Meter Current Instrument Transformers with 12kv

• Customization: Available
• Application: Instrument, Metering
• Type: Current Transformer
• Model NO.: LZZBJ9
• Phase: Single
• Operation Condition: Indoor
• 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
• Insulation Level: 12/42/75kv
• Rated Secondary Current: 5A or 1A
• Power Factor: CosΦ=0.8(Lag)
• Altitude: Should Not Exceed 1000m
• Air Relative Site: Indoor
• Rated Frequency: 50Hz or 60Hz
• Transport Package: Export Box
• Trademark: DGG
• Origin: China
• HS Code: 8504311000
• Production Capacity: 100000PCS/Year

Product Description

Photos of Product

General

This type of current transformer adopts epoxy-resin vacuum casting and fully enclosed post structure, is applicable for power systems of rated frequency 50Hz or 60Hz rated voltage up to and including 10kV, used for electric energy metering, current measurement, and relay protection, it can be an arbitrary combination of classes 0.2S, 0.2, 0.5 and 10P.

It complies with the standards GB20840.1-2010 Instrument transformers-Part 1: General requirements, GB 20840.2-2014 Instrument transformers- Part 2: Additional requirements for current transformers, and JJG 313-2010 Instrument Current Transformers.
 

 

Technical parameter

1. Insulation level:12/42/75kV
2. Power factor:cosΦ=0.8(lag)
3. Rated secondary current: 5A or 1A
4. Rated frequency:50Hz or 60Hz
5. Weight: 27kg

Transformer ratio
 

Rated primary current(A)	Accuracy class	Rated output(VA)	Rated short-time thermal current(kA/s)	Rated insulation level(kA)
5	0.2S 0.2S/0.5 0.2S/0.5/10P10 0.2S/10P10	10 10/10 10/10/15 10/15	0.36	0.9
10			0.72	1.8
15			1.08	2.7
20			1.44	3.6
25			1.8	4.5
30			2.16	5.4
40			2.88	6.3
50			3.6	7.2
60			4.32	8.1
75			5.4	13.5
80			5.76	14.4
100			7.2	18
120			8.64	21.6
150			10.8	27
200			14.4	36
250			18	45
300			21.6	54
400			28.8	63
500			36	72
600			43.2	108
800			57.6	120
1000-1500			72	144

Use environment

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