• 1700: 1 Current Transformer Used for Relay Protection Lmz-2zct (8A)
  • 1700: 1 Current Transformer Used for Relay Protection Lmz-2zct (8A)

1700: 1 Current Transformer Used for Relay Protection Lmz-2zct (8A)

Application: Electronic, Instrument, Position Sensor, Audio, Lighting
Type: Current Transformer
Phase: Single
Operation Condition: Indoor
Usage: Protection, Measurement
Winding Form: Multilayer Honeycomb Type
Samples:
US$ 5/Piece 1 Piece(Min.Order)
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Basic Info.

Model NO.
LMZ-2ZCT(8A)
Insulating Medium
Insulating Paper
Installation
PCB Mounting
Magnetic Circuit Structure
Cascade Type
Voltage Transformation Principle
Capacitive Type
Turns Ratio
1700:1
Inner Hole Size
6.5mm
Accuracy Class
0.2
Transport Package
Cartons
Specification
ISO9001, ISO14001, CE, ROHS, SGS
Trademark
zeming
Origin
Nanjing, Jiangsu
HS Code
8504311000
Production Capacity
200.000PCS/Year

Product Description

                                         LMZ-2ZCT(8A)
         Small size, high reliability, good consistency,For current measurement
Structural parameters:
1700: 1 Current Transformer Used for Relay Protection Lmz-2zct (8A)

                                             Front View                                                             Bottom View
 

Environment conditions:
1. Normal operating conditions
a) Ambient temperature:-25~+70 celsius
b) Relative humidity:5~95
c) Atmospheric pressure:66KPa~110KPa
2.  Ambient temperature limits of storage and transportation
     -40~+70 celsius
Technical Specifications:
1. Rated input current5A ,Rated output current2.941mA.Turns ratio1700:1
2. Rated load resistor≤200Ω
3. Frequency 50HZ
4. Accuracy:ratio error of Rated output and Normal value-0.3%~0.1%.Output termination connects to rated load,when 0.1~1.2 time rated input current,Comparison of output quantity and Nominal output values of rated output,Error should be less than 0.2%.
5. Linearity0.2 (0.1 to 0.2 times the rated input current)
6. Phase error:a)Phase error≤12(Rated input
   7Insulation resistor:Between primary and secondary windings;Primary and secondary windings to ground≥1000MΩ(1000V voltage)
 8.Dielectric Strength:Power frequency50HZ,1minute,Withstand voltage≥3000V
 9.Overload capacity:40A the rated input,continuous work 4 hours.
 10.Withstand temperature performance
 10.1.1High temperature
          Temperature:+70±2 celsius;
   Duration:2h(At rated operating conditions)
  Requirements:at rated load, when output value of transformer is compared with the nominal output value ,its comprehensive error should be less than 3%,insulation resistor should be greater than 100,after 2h recovery, it should ≥1000MΩ(1000V DC voltage).
 10.1.2Low temperature
  Temperature:-20±2 celsius;
  Duration:2h(at the rated operating condition)
Requirements:At rated load, when output value of transformer is compared with the nominal output value,its comprehensive error should be less than 3%,insulation resistor should be greater than 100,after 2h recovery, it should ≥1000MΩ(1000V DC voltage).
 10.1.3Temperature Storage
         High temperature:+70±2 celsiusDuration:3h(without load).
         Low temperature:-40±2 celsiusDuration:3h(without load).
           Through temperature storage test of the above requirements,the transformer should be no cracks, breaks, peeling, shedding phenomenon,metal mounting surface can not afford to pitting, no rust.Its electrical performance should be in line with the provisions of 7,10
11.Heat-resistance properties
   In environmental condition of temperature+40±2 celsius ,relative humidity(93±3)% of transformer,conduct the constant damp heat test for 48h,within 2h before the end of the trial,between each winding of measurement transformer and shielding layer, the core, the insulation resistor between input winding and output winding should be not less than 100MΩ.
12.Mechanical character
 12.1Vibration durability
 Nominal frequency range:10Hz~150Hz
 Peak acceleration  a:10m/s2,Sweep cycle number on each axis 20.
 Duration:10min×20
12.2Shock durability
Peak acceleration of shock pulse:300m/s2;
Pulse duration:11ms
The number of pulses in each direction:3times
13.Electrical immunity property
 Anti-brust interference performance,Electrostatic discharge Immunity performance,Immunity to Electromagnetic radiation interference performance,Immunity to fast transient interference performance should be consistent with provisions of the complete machine and GB/T 15145.
14.Flame-retardant property
 The coil, housing and sealing materials of the transformer shall withstand the burning test which GB/T2408 prescribed .
15.Shielding performance
Transformer should have sound shielding measures.
 
 
   
 

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