Stabilizers

DHS-Series


DHS-Series Features

  • Digital Signal Processor

  • LCD Display for Parameters

  • Overload Protection

  • 1:10 ratio crest factor

  • Natural air cooled

  • High Efficiency

  • Auto Bypass

  • Applications

    • CNC Machine Tools

    • Injection Molding Machines

    • Printing Machines

    • Medical Equipment

    • Food Processing Machines

    • Texttile Machines-Spinning, Weaving, Knitting, Embroidery, Garments, Manufacturing

    • Domestic Application, Home Appliance, Shops, Malls & Villas, All Industrial, Commercial, Residential Loads, Etc...


MODEL DHS1003A DHS1253A DHS1503A DHS2003A DHS2503A DHS3003A
Topology DSP Controlled IGBT Based Static Voltage Stabilizer
Phase Sequence Three Phase to Three Phase
Capacity 100KVA 125KVA 150KVA 200KVA 250KVA 300KVA
Input
Nominal Voltage 340~460 / 320~480 / 300~500
Maximum rated input current per/phase 352V 170 212 255 340 425 509
Maximum rated input current per/phase 332V 180 226 271 340 425 509
Maximum rated input current per/phase 311V 192 241 289 340 425 509
Nominal Frequency 47Hz ~ 53Hz
Input circuit breaker rating 200A 3P 250A 3P 400A 3P 400A 3P 630A 3P 630A 3P
Input circuit breaker rating 200A 3P 250A 3P 400A 3P 400A 3P 630A 3P 630A 3P
Input circuit breaker rating 200A 3P 250A 3P 400A 3P 400A 3P 630A 3P 630A 3P
AC Connection Terminal block (Line L1,L2,L3, Neutral and Ground wires) Provided
Output
Nominal Voltage 400/415/420 VAC Settable
Power Efficiency typically over 98% (with 20% ~ 100% load conditions)
Voltage Regulation ±1%
Maximum Rated output current 144 180 217 289 361 433
AC connection Terminal block (Line L1in,L2in,L3in, Neutral and Ground) Provided
Crest Factor 1:10
Environmental
Ambient Temperature 0℃ ~ 45℃, 10% to 90% RH non-condensing
Cooling method Forced Air Cooled
Display
Protections
Standards & Safety Designed to meet UL 60950-1 Standards, Protection class IP 20
OV /UV Cut off Electronic cut off circuit with graded time delay for High/Low/ Missing Voltage
Over Load & Short-Circuit CT based elecrtonic cut off circuit with graded time delay set @110% of rated full load current
Soft Switch-On O/P Voltage never > I/P Voltage upon switch-on, before it commences full stabilization
Automatic Bypass will be activated when there is a heavy surge
Surge Test Condition per class 2 surge (combination wave)
Surge let-through voltages 8 x 20 µs upto 40 kA wave form, L-N <460V