500a 3 Phase Thyristor Power Controllers For Resistive And Inductive Loads

Short Description:

NK30E series scr power controllers are based on many years of application experience in the electric heating industry, a high-end power regulator product with optional multi-function card, extensible analog output, keyboard external induction, MODBUS TCP/IP, Profibus DP, true RMS control and other functions.

NK30E scr power controllers have been widely used in float glass production line, monocrystalline silicon, polysilicon heating and other electric heating occasions, and has been highly appraised by customers.


Product Detail

Product Tags

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Features

Scr power regulator, also known as scr power controller is used to control power delivery. They are designed to vary the ac voltage across the resistive&inductive loads. The thyristor power controllers provide a smooth way of power delivery to load. Unlike conactors, not have any electromechanical movemen. Scr power regulator includes the back to back connect silicon rectifier(scr), trigger pcb board, current transformers, temperature transformer. By the trigger pcb board to control the thyristor by phase angle&zero cross burst two models. The current transformers detect the three phase current, as the constant current control and to be the current protection. The temperature transformers detect the heatsink temperature to protect the Scr to be safe.

1.Built-in High-performance, Low-power Microcontroller
2.Peripheral Features
2.1.Support 4-20mA and 0-5/10V(potentiometer) two given
2.2.Two switch inputs
2.3.Wide Range Of Primary Loop Voltages( AC260- 440V)
3.Efficient cooling solution such small size, light weight

4.Practical alarm function
  Phase failure, Overheat, Overcurrent, Load break
5.One relay output
3 A, A C 2 5 0 V
3 A, D C 3 0 V
6.To facilitate centralized control RS485 communication

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Specification

Item Specification
Power supply Main power: AC260--440v, control power: AC160-240v
Power frequency 45-65Hz
Rated current 25a---800a
Cooling way Forced fan cooling
Protection Phase lose, over current, over heat, overload, load lose, frequency fault
Analogue input Two analogue input, 0-10v/4-20ma/0-20ma
Digital input Two digital input
Relay output One relay output
Communication Modbus communication
Optional card DA output, remote display, Profibus-DP, Modbus TCP/IP, TRMS
Trigger mode Phase shift trigger, zero-crossing trigger
Accuracy ±1% 
Stability ±0.2%
Environment Condition Below 2000m. Rise the rate power when the altitude is more than 2000m.Ambient Temperature: -25+45°CAmbient Humidity: 95%(20°C±5°C)

Vibration<0.5G

Terminals

NK30E scr power regulator terminal

Keyboard operation

scr power regulator panel

Dimension

scr power regulator

Application

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Thyristor scr power regulator widely used with resistive and inductive loads. Some applications scr power regulator widely be used:

1. Aluminium melting furnaces;

2. Holding furnaces;

3. Boilers;

4. Microwave dryers;

5. Multi-zone drying and curing overs;

6. Plastic injection moulding requiring multi-zone heating for mainfold moulds;

7. Plastic pipes and sheets extrusion;

8. Metal sheets welding systems;

Customer service

1. ODM/OEM service is offered.

2. Quick order confirmation.

3. Fast delivery time.

4. Convenient payment term.

At present, the company is vigorously expanding overseas markets and global layout. We are committed to becoming one of the top ten export enterprises in China’s electrical automatic product, serving the world with high-quality products and achieving a win-win situation with more customers.

Noker SERVICE
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