About Us

Jeenda Controls Co.,Ltd is one of the largest manufacturers and exporters of the Electronic Semiconductors Device Controls and low-voltage electrical appliances in China.

At this moment the Company mainly manufacture and exporter Semiconductors Device such us solid state relays,Power modules,Bridge Rectifier,Solid State AC Voltage controller,Solid State switches,Temperature Controller,SCR Control Plate etc. Motor Controls & Protection components,Industry Automatic Controls,such us MCB,MCCB,MPCB,ELCB,AC Contactors & accessories, Timer,Starters,Relays, Fuses, Push Buttons, Switches, Industrial Socket,etc. to North America, Europe, Hong Kong, South-east Asia,South-America, Mid-east, and over 30 countries & regions. Owning skilled workers, advanced equipment and strict quality control process most of our products are certified by ISO9001 UL,CSA, VDE,CE, CB, CCC. Our products are welcome well at home and abroad.

Our products have more advantages that advanced science and technology and productive equipment,best price on the basis of superior quality and favorable discount and satisfied commission, perfect after-selling services, advanced communication and contact methods.

In order to create distinguished achievement, we have insisted on "quality first, consumers first."We believe that Jeenda Controls Co.,ltd. are response for the customer,we believe in that we will do much better than before with your help. We sincerely work with your stable, reliable and long-term cooperator and enjoy every development and every success in every step together.

International Sales

Add:unit 6 Xintianyuan Group 6
Xincheng Avenue Wenzhou
325001 Zhejiang China
Tel:+86-577-56784310 / 80221899
Fax:+86-577-56667563
Zip Code: 325001
Email: sales@jeenda.com
Website:http://www.jeenda.com/
MSN:david@jeenda.com

Monday, August 11, 2008

Motor reversing Solid State Relays


*SR series Motor reversing Solid State Relays for 3-phase

*industrial motors 1KW upto 7 KW.

*Operational voltage: 480VAC Upto 530VAC rms

*High performance/low cost circuit design.

*Built-in interlock function

*AC or DC control voltage

*LED indication for direction

*Insulation:Reed relay or opt coupler(input-output)2500VAC rms

*Control voltage range:10~30 Vdc or 115 Vac

*This series with Dual SCR Power Hybrid technology provide highly*efficient thermal management for greatly increased cyclic life.

Pls check here download exactly catalogue or contact Jeenda sales team sales@jeenda.com and call +86 577 5678 4310 to learn more about the our IGBTs.

You also can visit our website http://www.jeenda.com/

2 units,300A 1200V IGBTs




SG300-12CS1 (300A ,1200V) IGBTs.

Cross reference SEMIKRON SKM300GB128D

* 2 units,300A 1200V IGBTs
* SPT chip (soft-punch-through) we adopt ABB SPT chips and VLO-180 welding system made in Germany
* MOS input contro

l* Ultra thin IGBT chip, great current, low loss, low tail current
* Low VCE (sat) saturated voltage, positive temperature coefficient at high temperature
* High switch frequency, low switch loss
* High SC resistive ability
* Module creepage long distance design
* DBC insulated voltage above 2,500V RMS

Pls check here download exactly catalogue or contact Jeenda sales team sales@jeenda.com and call +86 577 5678 4310 to learn more about the our IGBTs.

You also can visit our website http://www.jeenda.com/

2 units,200A 1200V IGBTs




SG200-12CS1 (200A ,1200V) IGBTs.

Cross reference SEMIKRON SKM200GB128D

* 2 units,200A 1200V IGBTs
* SPT chip (soft-punch-through) we adopt ABB SPT chips and VLO-180 welding system made in Germany
* MOS input contro

l* Ultra thin IGBT chip, great current, low loss, low tail current
* Low VCE (sat) saturated voltage, positive temperature coefficient at high temperature
* High switch frequency, low switch loss
* High SC resistive ability
* Module creepage long distance design
* DBC insulated voltage above 2,500V RMS

Pls check here download exactly catalogue or contact Jeenda sales team sales@jeenda.com and call +86 577 5678 4310 to learn more about the our IGBTs.

You also can visit our website http://www.jeenda.com/

2 units,150A 1200V IGBTs




SG150-12CS1 (150A ,1200V) IGBTs.

Cross reference SEMIKRON SKM150GB128D

* 2 units,150A 1200V IGBTs
* SPT chip (soft-punch-through) we adopt ABB SPT chips and VLO-180 welding system made in Germany
* MOS input contro

l* Ultra thin IGBT chip, great current, low loss, low tail current
* Low VCE (sat) saturated voltage, positive temperature coefficient at high temperature
* High switch frequency, low switch loss
* High SC resistive ability
* Module creepage long distance design
* DBC insulated voltage above 2,500V RMS

Pls check here download exactly catalogue or contact Jeenda sales team sales@jeenda.com and call +86 577 5678 4310 to learn more about the our IGBTs.

You also can visit our website http://www.jeenda.com/

100A 1200V IGBT modules


SG100-12CS1 (100A ,1200V) IGBTs.

Cross reference SEMIKRON SKM100GB128D

* 2 units,100A 1200V IGBTs
* SPT chip (soft-punch-through) we adopt ABB SPT chips and VLO-180 welding system made in Germany
* MOS input contro
l* Ultra thin IGBT chip, great current, low loss, low tail current
* Low VCE (sat) saturated voltage, positive temperature coefficient at high temperature
* High switch frequency, low switch loss
* High SC resistive ability
* Module creepage long distance design
* DBC insulated voltage above 2,500V RMS

Pls check here download exactly catalogue or contact Jeenda sales team sales@jeenda.com and call +86 577 5678 4310 to learn more about the our IGBTs.

You also can visit our website http://www.jeenda.com/

75A 1200V IGBTs.


SG75-12CS1 (75A ,1200V) IGBTs.

Cross reference SEMIKRON SKM75GB128D

* 2 units,75A 1200V IGBTs
* SPT chip (soft-punch-through) we adopt ABB SPT chips and VLO-180 welding system made in Germany
* MOS input contro
l* Ultra thin IGBT chip, great current, low loss, low tail current
* Low VCE (sat) saturated voltage, positive temperature coefficient at high temperature
* High switch frequency, low switch loss
* High SC resistive ability
* Module creepage long distance design
* DBC insulated voltage above 2,500V RMS

Pls check here download exactly catalogue or contact Jeenda sales team sales@jeenda.com and call +86 577 5678 4310 to learn more about the our IGBTs.

You also can visit our website http://www.jeenda.com/

50A 1200V IGBTs.




SG50-12CS1 (50A ,1200V) IGBTs.

Cross reference SEMIKRON SKM50GB128D

* 2 units,50A 1200V IGBTs
* SPT chip (soft-punch-through) we adopt ABB SPT chips and VLO-180 welding system made in Germany
* MOS input control
* Ultra thin IGBT chip, great current, low loss, low tail current
* Low VCE (sat) saturated voltage, positive temperature coefficient at high temperature
* High switch frequency, low switch loss
* High SC resistive ability
* Module creepage long distance design
* DBC insulated voltage above 2,500V RMS

Pls check here download exactly catalogue or contact Jeenda sales team sales@jeenda.com and call +86 577 5678 4310 to learn more about the our IGBTs.

You also can visit our website http://www.jeenda.com/

PID Controller, Temperature Control unit

1. Measurement input signal, valve position feedback input signal can be selected at random.
2. Valve position Feedback disconnection can enter into the manual state automatically.
3. Course quantity display, setting value, control quantity display etc. Are shown triply.
4. Servo control PID regulator positive and negative function choice, can set up upper limit and lower limit of regulator independently without delay output limiting range (It can choose 'no limit' at manual way).
5. The position of switching on by manual /automatic can be kept or the position of switching on by manual can be initialized.
6. No disturbance switching over by manual /automatic and manual /automatic state indication.
7. PID parameter storage and transfer.
8. Remote manual /automatic state control, remote manual operation; Remote switch quantity control; Remote servo control PID regulator control method or when the upper part direct control is operated, the regulator can get up with the input signal automatic.

Solid State Contactor,SCR power controller,Power regulator from Jeenda Controls


Solid State Contactor is a new component of solid state contactor recently according the use made of alternating current relay upon the basis of power-solid state contractor. Assembling the radiator, defense covering, fixing pinch etc. Consisting of a function-assorted. Controlling current component. Conveniency. Substitute for the protection of alternating current relay.

SPST(single-pole single-throw)----normally Open. Adopting to single phrase load.
TPST(three -pole single-throw)------normally Open. Adopting to three phrases load.
Rating working current: 100-500A
Rating working voltage: 280V; 480V; 530V.
Switch: Over-zero leading and random leading.
Insulate voltage >=2500V;
National standard fixing pinch, equipped quick, firm;
Dual SCR anti-parallel connection power output.
Led input and display.

Solid state relay (From Wikipedia, the free encyclopedia )

Solid state relay (From Wikipedia, the free encyclopedia )

A solid state relay (SSR) is an electronic switch, which, unlike an electromechanical relay, contains no moving parts. The types of SSR are photo-coupled SSR, transformer-coupled SSR, and hybrid SSR. A photo-coupled SSR is controlled by a low voltage signal which is isolated optically from the load. The control signal in a photo-coupled SSR typically energizes an LED which activates a photo-sensitive diode. The diode turns on a back-to-back thyristor, silicon controlled rectifier, or MOSFET transistor to switch the load.

Operation

Bi-directional solid state relay with opto-isolation.
Voltage applied to the control line of an SSR causes the LED to shine on the photo-sensitive diode. This produces a voltage between the MOSFET source and its gate, causing the MOSFET to turn on. An SSR based on a single MOSFET, or multiple MOSFET's in a paralleled array works well for DC loads.
There is an inherent substrate diode in all MOSFETs that conducts in the reverse direction. This means that a single MOSFET can't block current in both directions. For AC (bi-directional) operation, two MOSFETs are arranged back to back with their source pins tied together. Their drain pins are connected to either side of the output. The substrate diodes then are alternately reverse biased in order to block current when the relay is off. When the relay is on, the common source is always riding on the instantaneous signal level and both gates are biased positive relative to the source by the photo-diode.
It is common to provide access to the common source so that multiple MOSFETs can be wired in parallel if switching a DC load. There is also commonly some circuitry to discharge the gate when the LED is turned off, speeding the relay's turn-off.

Advantages over mechanical relays
SSRs are faster than electromechanical relays; their switching time is dependent on the time needed to power the LED on and off, typically on the order of nanoseconds
Increased lifetime due to the fact that there are no moving parts, and thus no wear
Clean, bounceless operation
Decreased electrical noise when switching
Can be used in environments where a spark must not be generated during turn-on
Totally silent operation
Smaller than a corresponding mechanical relay.

Disadvantages
Fail short more easily than electro-mechanical relays
Increased electrical noise when conducting
Higher impedance when closed (-> heat production)
Lower impedance when open
Reverse leakage current when open (μA range)
Possibility of false switching due to voltage transients
Often more expensive than comparable electromechanical relays

IGBTs., Isolated Gate Bipolar Transistor modules

IGBT workshop
(IGBT) Isolated Gate Bipolar Transistor (IGBTs)
SPT IGBT Modules (Soft Punch Through Technology), range of 50A to 400A,600V 1200V 1700V,2 units.

Our IGBT Module ordering guide

Characteristic:
* SPT chip (soft-punch-through) we adopt ABB SPT chips and VLO-180 welding system made in Germany
* MOS input control
* Ultra thin IGBT chip, great current, low loss, low tail current
* Low VCE (sat) saturated voltage, positive temperature coefficient at high temperature
* High switch frequency, low switch loss
* High SC resistive ability
* Module creepage long distance design
* DBC insulated voltage above 2,500V RMS

Typical applications:
* AC and DC electric motor control
* Frequency transformer
* UPS
* Industry power supply
* Electric welding machine

Pls check our IGBT detailed specification and contact us by email
or call +86 577 56784310

SG75-12CS1(75A 1200V IGBT)
SG100-12CS1(100A 1200V IGBT)
SG150-12CS2(150A 1200V IGBT)
SG200-12CS2(200A 1200V IGBT)
SG300-12CS2(300A 1200V IGBT)

Bridge Rectifiers

We are a professtional manufacturer of bridge rectifiers as below:

1) Single phase rectifier bridge

1. Single phase diode bridge
2. Single phase half controlled diode bridge
3. Single phase full controlled diode bridge
4. Single phase press fit diode bridge
5. Diode Bridges with Fast Recovery Diodes

2) Three phase rectifier bridge

1. Three phase diode bridge
2. Three phase half controlled diode bridge
3. Three phase full controlled diode bridge
4. Three phase press fit diode bridge

3) Thyristor and rectifiers modules

1. Dual thyristor modules
2. Thyristor / diode modules
3. Dual diode modules
4. Single thyristor
5. Single diode modules
6. 3 scr module (3 thyristor module)
7.2diode,2scr bridge,1 free wheeling diode modules

Solid Sate Relay (Triacs and SCR Type)

Single phase SSR - 1A to 1200A
Dual solid state relay (2 form A)25A to 60A.
Quad solid state relay (4 form A)25A to 40A.
Three phase SSR - 10A to 500A, 600A to 1200A solid state contactors
Motor reversing SSR - 1KW to 7kW
Capacitor SSR single phase - 10A to 350A
Capacitor SSR three phase - 10A to 120A

The Solid State Relay (SSR) are a series of single-pole, two-poles(dual output),three-poles(three phase),four-poles(quad output).normally open, solid state switching devices with no moving parts, capable of tens of millions of cycles of operation. It is designed to control 120V, 240V or 480V (up to 660V) alternating current (VAC), and provides zero voltage switching and 2500VAC isolation between the load terminals and the control signal. A control signal causes the solid state relay (SSR) to switch the ac load ON or OFF just as a conventional mechanical contact switch does but with none of the problems associated with moving contact relays, such as corrosion, pitting, arcing, radio frequency interference (RFI) and bounce. The result: Much longer life for the solid state relay (SSR).

Our solid state relay is designed around a pair of SCR's mounted on a heat-spreading metal base to eliminate thermal fatigue failures. To dissipate the heat developed naturally in an solid sate relay (SSR) due to a nominal voltage drop across the device, the solid state relay must be mounted on a Finned Heat Sink (FHS), or on a metal plate of adequate size. It is advisable to install an solid state relay where the ambient temperature is relatively low because its current-switching rating is decreased as its temperature increases.

Control resistance heaters up to 40 kW use solid state relay in conjunction with lower-rated temperature controllers. Three-phase loads can be controlled using 2 or 3 SSR's. Use 3 SSR's for Y-phase loads using a neutral line. Three solid state relays are also used when there is no neutral load to provide redundancy and extra assurance of control. Two SSRs will control "delta" loads.

About Us

Jeenda Controls Co.,Ltd is one of the largest manufacturers and exporters of the Electronic Semiconductors Device Controls and low-voltage electrical appliances in China.

At this moment the Company mainly manufacture and exporter Semiconductors Device such us solid state relays,Power modules,Bridge Rectifier,Solid State AC Voltage controller,Solid State switches,Temperature Controller,SCR Control Plate etc. Motor Controls & Protection components,Industry Automatic Controls,such us MCB,MCCB,MPCB,ELCB,AC Contactors & accessories, Timer,Starters,Relays, Fuses, Push Buttons, Switches, Industrial Socket,etc. to North America, Europe, Hong Kong, South-east Asia,South-America, Mid-east, and over 30 countries & regions. Owning skilled workers, advanced equipment and strict quality control process most of our products are certified by ISO9001 UL,CSA, VDE,CE, CB, CCC. Our products are welcome well at home and abroad.

Our products have more advantages that advanced science and technology and productive equipment,best price on the basis of superior quality and favorable discount and satisfied commission, perfect after-selling services, advanced communication and contact methods.

In order to create distinguished achievement, we have insisted on "quality first, consumers first."We believe that Jeenda Controls Co.,ltd. are response for the customer,we believe in that we will do much better than before with your help. We sincerely work with your stable, reliable and long-term cooperator and enjoy every development and every success in every step together.

International Sales

Add:unit 6 Xintianyuan Group 6
Xincheng Avenue Wenzhou
325001 Zhejiang China
Tel:+86-577-56784310 / 80221899
Fax:+86-577-56667563
Zip Code: 325001
Email: sales@jeenda.com
Website:http://www.jeenda.com/
MSN:david@jeenda.com

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