Lzzbj18 -35W Outdoor Single Phase Instrument Energy Meter Fully Enclosed Post Types of Current Transformers

• Customization: Available
• Application: Instrument, Metering
• Type: Voltage Transformer
• Model NO.: LZZBJ18 -35W
• 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
• Altitude: Should Not Exceed 4000m
• Air Relative Site: Outdoor
• Rated Secondary Current: 5A or 1A
• Rated Frequency: 50Hz or 60Hz
• Insulation Level: 40.5/95/200kv
• Power Factor: Cosφ=0.8(Lag)
• 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 a fully closed single-phase structure, is applicable for power systems of rated frequency 50Hz or 60Hz and rated voltage up to and including 35kV, used for electric energy metering and 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 GB 20840.1 - 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

Model And Meaning


Normal Usage Conditions

1. Altitude: should not exceed 4000m
2. Ambient temperature: -40ºC ~ +40ºC
3. Air relative site: Outdoor.

Technical Parameters

1. Compliance Standards: GB/T 20840.1&3 and IEC61869-1&2
2. Insulation level:40.5/95/200kV
3. Power factor:cosφ=0.8(lag)
4. Rated secondary current: 5A or 1A
5. Rated frequency:50Hz or 60Hz
6. Weight: 80kg

Technical Ratio

Table 1: Single Parameter Ratio
 

Rated Primary Current (A)	Accuracy class	Rated output(VA)	Rated Short-Time Thermal Current(kA/S)	Rated Insulation Level (kA)
50	0.2S/0.5/10P10/10P10 0.2S/0.5/10P20/10P20	15/15/30/30 15/15/20/20	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	81
800			57.6	120
1000-1800	0.2S/0.5/10P30/10P30	15/15/20	72	144

Table 2: Double Parameter Ratio
 

Rated Primary Current (A)	Accuracy class	Rated output(VA)	Rated Short-Time Thermal Current(kA/S)	Rated Insulation Level (kA)
50 - 100	0.2S/0.5/10P10 0.2S/0.5/10P20	15/15/30 15/15/20	7.2	18
60 - 120			8.64	21.6
75 - 150			10.8	27
80 - 160			11.52	28.8
100 - 200			14.4	36
150 - 300			21.6	54
200 - 400			28.8	72
250 - 400			36	90
300 - 600			43.2	108
400 - 800			57.6	120
500 - 1000			72	144
600 - 1200
800 - 1600

Table 3: Tripple Parameter Ratio
 

Rated Primary Current (A)	Accuracy class	Rated output(VA)	Rated Short-Time Thermal Current(kA/S)	Rated Insulation Level (kA)
50-75-100	0.2S/0.5/10P10/10P10 0.2S/0.5/10P20/10P20	15/15/30/30 15/15/20/20	7.2	18
75-100-150			10.8	27
100-150-200			14.4	36
150-200-300			21.6	54
200-300-400			28.8	72
300-400-500			36	90
200-400-600			43.2	108
400-600-800			57.6	120
500-600-800			57.6	120
600-800-1000			72	144

Outline And Installation Dimension