1000: 1 Current Transformer Used for Relay Protection Lmz-2zct (40A)
| Price: |
US $ 2.3/Piece |
| Min Order: |
50/Piece |
| Pay Type: |
T/T,Western Union |
| Prod Model: |
LMZ-2ZCT(40A) |
| Turns Ratio: |
1000:1 |
| Application: |
Lighting |
| Type: |
Current Transformer |
| Phase: |
Single |
| Installation: |
PCB Mounting |
Product Description
LMZ-2ZCT(40A)
Small size, high reliability, good consistency,for zero-sequence protection
Structural parameters:
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 current0~40A ,Rated output current0~40mA.Turns ratio 1000:1
2. Rated load resistor≤200Ω
3. Frequency 50HZ
4. Accuracy:ratio error of Rated output and Normal value-0.8%~0.2%.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 (0.1~40A)
6. Phase error:
a) phase error≤0.5°(Rated input)
b)phase error≤1.0°(0.1~40A)
7.Insulation resistor:Between primary and secondary windings;Primary and secondary windings to ground≥1000MΩ(1000Vvoltage)
8.Dielectric Strength:Power frequency50HZ,1 minute,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)
10.1.2Low temperature
Temperature:-20±2 celsius;
Duration:2h(at the rated operating condition)
10.1.3Temperature Storage
High temperature:+70±2 celsius; Duration:3h(without load).
Low temperature:-40±2 celsius; Duration: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
Requirements:After the test, the transformer should be no loose fastener parts , mechanical damage and so on,the relative performances should be in accordance with the provisions of accuracy, linearity, phase error
12.2Shock durability
Peak acceleration of shock pulse:300m/s2;
Pulse duration: 11ms
The number of pulses in each direction:3times
Requirements:After the test, the transformer should be no loose fastener parts , mechanical manage and so on,the relative performances should be in accordance with the provisions of accuracy, linearity, phase error
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.
Nanjing Zelang Electronic Technology is a worldwide leader in the design, manufacturing and sales of miniature current transformers & voltage transformers for the electronic Measurement, electrical power system Protection Relay, Fault Recording. ZeLang Electronic has been working closely with the leading R&D teams to meet the demands of emerging technologies. Nanjing Zeming Electronic is our Headquarters, Qingxian Zeming Langxi Electronic is our factory established in 2009, it is a private enterprise and professionally produces micro precise current and voltage transformers, split core current transformer, DC immune current transformer, and nanocrystalline cores, major products such as: Digital display meter with micro transformer, electronic meters with transformer, TTU and negative control with transformer, relay protection with transformer, energy-saving socket and so on.
At present, total number of people is more than 1500, we have 1, 000 winding machines, 15 heat treatment equipment, the daily production rate of core is up to 1, 000, 000, and the daily production rate of transformers is nearly 500, 000.
For all of our products, samples can be provided for free, but the purchaser has to endure the freight. Most of our products has in stock, we keep special stock for the fast-moving items so that the urgent orders can be met quickly from stock. The delivery cycle is generally 7-10 days. We also can design products according to your requirements. We have two larger advantage of price and quality in world.
We insist that technology is the first, adhering to a high quality, high efficiency, low consumption and low cost route, provide best products, best service, leading by an excellent team, product technology is now in the national leading level, the variety of our product is more complete.
In producing technique aspect, according to technological requirements and characteristics of micro-transformer, we use winding machines imported from the USA, and employ experienced staff to build production line; Advanced equipment, excellent staff make the product quality and reliability been guaranteed.
On management aspect, we give full play to the advantages of private enterprise flexible and efficient, and at the same time, we absorb excellent enterprise mature management experience unceasingly, so that the outstanding characteristic of modern enterprise have been fully embodied in operation, in high efficiency \low consumption and under low cost, great advantages must be shown.
We always put the product quality in the first place and smoothly obtained many certifications.
More >
Other Products with This Manufacturers
