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China SHR2DN Heavy Load Soft Starter - Advanced Digital Motor Controller from Reliable Suppliers and Factory
Product Profile
SHR2DN is a new intelligent motor soft starter,SHR2DN withthe most advanced digital processor which can adjust voltageand limit the electric current. The unique intelligent electronic circuit offers perfect control andprotective function: Start linearly with higher speed, starting and stopping control of the pumppreset run at a low speed(rotating and overturning adjustment in short time of electro-controllingtype). Presetable dual start-stop parameter switch freely, can monitor the load state and realizeautomatically run with energy-saving or light load mode. The protective function of electricalmachinery insulating testing , and the protection of short circuit, phase loss and the electronicRS485 with communication interface use modbus/profibus protocol that generally realize the long.range control and monitoring. Can be extensively used in textile industry, metallurgy industrypetrochemical industry, water treatment, shipping industry, medicine, food processing industrymine industry and mechanical equipment industry etc.
Function
- Multinational language supported, LcD display, set up the parameter in button type
- RS485 with communication interface modbus/profibus protocol
- Can programme set the signal relay
- Super strong perfect control and protective function
- Can be run online continuously without bypass. High reliability
Parameters
| 230-690V Motor Power | ||||||||
| Motor Power (KW) | Size and Type of softstarter | |||||||
| 230V | 400V | 500V | 690V | Bypass | Main voltage | Control voltage | Control inputs | Functions Options |
| 4 | 7.5 | 11 | 15 | SHR2DN17 | -x | -x | -x | -× + X… |
| 7.5 | 15 | 18.5 | 25 | SHR2DN31 | -x | -x | -x | -× + ×… |
| 15 | 22 | 25 | 37 | SHR2DN44 | -x | -x | -x | -x + x… |
| 18.5 | 30 | 37 | 55 | SHR2DN58 | -x | -x | -x | -× + ×… |
| 22 | 37 | 45 | 59 | SHR2DN72 | -x | -x | -x | -x + x… |
| 25 | 45 | 55 | 75 | SHR2DN85 | -x | -x | -x | -× + ×… |
| 30 | 55 | 75 | 90 | SHR2DN105 | -x | -x | -x | -× + ×… |
| 37 | 75 | 90 | 132 | SHR2DN145 | -x | -x | -x | -x + x… |
| 45 | 90 | 110 | 160 | SHR2DN170 | -x | -x | -x | -× + ×… |
| 55 | 110 | 132 | 200 | SHR2DN210 | -x | -x | -x | -×+ ×… |
| 75 | 132 | 160 | 220 | SHR2DN250 | -x | -x | -x | -X + X… |
| 90 | 160 | 200 | 257 | SHR2DN310 | -x | -x | -x | -× + ×… |
| 110 | 200 | 250 | 355 | SHR2DN390 | -x | -x | -x | -X + X… |
| 132 | 250 | 315 | 450 | SHR2DN460 | -x | -x | -x | -× + ×… |
| 160 | 315 | 400 | 560 | SHR2DN580 | -x | -x | -x | -×+×… |
| 200 | 400 | 500 | 710 | SHR2DN720 | -x | -x | -x | -× + ×… |
| 250 | 450 | 560 | 800 | SHR2DN820 | -x | -x | -x | -x + x… |
| 280 | 500 | 630 | 850 | SHR2DN950 | -x | -x | -x | -X + X… |
Purchasing guide
For normal duty applications, we recommend the same rated power HPS2DN softstarters. As pump compress or elevator, escalator conveyor belt(short)
For heavy duty applications, we recommend one higher level HPS2DN soft starters.As centrifugal, fan,mill,mixer conveyor belt(long)
For heavy duty applications, we recommend one higher level HPS2DN soft starters.As centrifugal, fan,mill,mixer conveyor belt(long)
Parameters
| General information | |
| Supply voltage | Line to line 230V-690V (to be specified) 10% |
| Frequency | 50/60Hz 4Hz(dual frequency) |
| Control Supply | 110-120V of 220-240V (to be specified) |
| Control Inputs and Outputs | 110-120V of 220-240V (to be specified) |
| Load | 3 phase, 3 wire, squirrel cage induction motor |
| Operating temperature | 0℃ to 50℃ |
| Storage temperature | -20 ℃t o 70℃ |
| Maximum starting time | 30 seconds |
| Maximum starts per hour | 4 starts per hour at 400% In, Up to60 starts per hour at lower load applications |
| Operating parameters | |
| Starter FLC | Starter Full Load Current 17~950 Amp |
| Motor FLA | Motor Full Load Ampere 50%-100% of starter FLC |
| Pump control curves | 6 field selectable curves preventing over pressure during start and water hammer during stop |
| Pulse start duration | A pu lse of 80% Un for adjustable time 0-1 second, to start high friction loads |
| Initial voltage | 10%-50% Un*(can be extended to 80% Un) |
| Current limit | 100%-400% of Motor FLA* (can be extended to 500%) |
| Ramp-up time | 1-30 seconds (can be extended to 90s*) |
| Ramp-down time | 1-30 seconds(can be extended to 90s*) |
| Dual adjustments | Secondary start stop characteristics for Initial voltage, current limit, acceleration time deceleration time and motor FLA. |
| Energy saving | Activated when motor is lightly loaded for extended periods of time |
| Slow speed torque | Maximum torque produced while motor is operating at 1/6 of nominal speed to a maximum of 30 seconds |
| Tacho and linear acceleration | 12 selectable curves-defines gain control to improve the tach o feedback linearity |
| Starting from diesel generator | Special starting characteristics become operative via an internal dip switch. (contact terminal 8, for dual adjustment) |
| Motor protection | |
| Too many starts | Determines maximum number of starts allowable during Start Period Rangel-10starts in start period 1-60minutes |
| Start inhibit | Prevents starting for a variable period of 1-60 minutes after TOO MANY STARTS is indicated |
| Long start time (stall protection) | Starter trips if the full motor speed is not reached within the maximum start time of 1-30 seconds* |
| Electronic fuse (shear pin) | Trips starter in 1 cycle at 850% in during starting and 200%-850% in during running |
| Electronic overload (I t) | Adjustable between 75%-150% of motor FLA overload curve can be selected by setting trip time at 500% in,1-10 seconds |
| Under current | Starter trips when current drops below 20%-90% In, time del ay 1-40 seconds |
| Under voltage(**) | Starter trips when mains voltage drops below 120–600V, time del ay 1–10 seconds |
| Over voltage | Starter trips when mains voltage increases above 150-750Vtime del ay 1-10 seconds |
| Phase loss,(under/ over frequency**) | Starter trips when 1 or 2 phases fail and when frequency is 4Hz of nominal frequency |
| Phase sequence | Starter trips when phase sequence is incorrect |
| Long slow speed time | Starter trips if operating at slow speed longer than 30 seconds |
| Wrong connection | Prevents starting if the motor is incorrectly connected to the starter |
| Shorted SCR | Prevents starting when one or more SCRs are shorted |
| Heatsink over temperature | Starter trips when heatsink temperature rises above 85 |
| External fault | Starter trips when an external contact closes for 2 seconds |
| Motor insulation(optional) | Alarm level setting 0.2-5M. Trips when motor insulation decreases below 0.2-5M setting. The thyristors must be protected against short circuit |
| Thyristor Protection | Metal Oxide Varistors(MOVs) and snubber circuits |
| Control | |
| Analogue I/O | Input of motor overheat signal Ouput of analog signals of motor current |
| Displays | LCD in 4 selectable languages and 8 LEDs |
| Keypad | 6 clearly defined keys for easy setting |
| Aux. contact-immediate | 1 C/O,8A,250V A. C,2000VA(delay 0-60 seconds) |
| Aux. contact-end of acceleration | 1 C/O,8A,250V A. C,2000VA(del ay 0-120 seconds) |
| Fault contact | 1 C/O,8A,250V A. C,2000VA(selectable as trip or trip fail safe) |
| Insulation alarm contact(optional) | 1 C/O,8A,250V A. C,2000VA |
| Communication(optional) | RS 485 with Modbus/ Profibus protocol for full control and supervision |
Measurement
Frequently Asked Questions
What is the primary function of the SHR2DN soft starter?
The SHR2DN is an intelligent motor soft starter designed with an advanced digital processor to adjust voltage and limit electric current. It provides linear start control, adjustable starting/stopping parameters, and comprehensive protective functions for industrial machinery.
What communication protocols are supported by the SHR2DN?
The soft starter features an RS485 communication interface that supports Modbus and Profibus protocols, allowing for seamless integration into long-range control and monitoring systems.
How do I choose the correct soft starter for heavy-duty vs. normal-duty applications?
For normal duty applications (such as pumps, compressors, escalators, and short conveyor belts), select the soft starter with the matching rated power. For heavy-duty applications (such as centrifugal fans, mills, mixers, and long conveyor belts), we recommend choosing a soft starter that is one level higher.
Can the SHR2DN soft starter run continuously without an external bypass?
Yes, the SHR2DN soft starter is engineered to run online continuously without the need for a bypass, offering high system reliability and simplified installation.
What built-in motor protection mechanisms does it feature?
The device features robust motor protection, including protection against too many starts, start inhibit, long start times (stall protection), electronic fuses (shear pin), electronic overload, under/over current, under/over voltage, phase loss, wrong connection, and heatsink over-temperature.