Libratherm Instruments Private Limited
Libratherm Instruments Private Limited
Dahisar East, Mumbai, Maharashtra
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Thyristor Power Switch Zero Cross Over Control

Thyristor power switch (one/two/three phase) - zero cross (zc) over controlled (solid state contractor)

Single Phase Zero Cross Over SCR Power Regulator POW-1-ZC

Single Phase Zero Cross Over SCR Power Regulator POW-1-ZC
  • Single Phase Zero Cross Over SCR Power Regulator POW-1-ZC
  • Single Phase Zero Cross Over SCR Power Regulator POW-1-ZC
  • Single Phase Zero Cross Over SCR Power Regulator POW-1-ZC
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Approx. Price: Rs 4,500 / UnitGet Latest Price

Product Details:

BrandLIBRATHERM
TypeManual, Automatic, Semi-automatic
Supply Voltage230VAC +/- 10%, 50/60 Hz.
SizeAs per the Thyristor selection table given Model Wise Descriptions.
MountingOn Base plate of the control panel
Available Ratings2KW to 8KW @ 230VAC, single phase.
Available ConfigurationSingle phase with respect to neutral
Control ActionZero cross over Burst firing, time proportional with variable duty cycle. (Pulse width modulated)
Control Signal(4-20) mA / (0-5) VDC / (0-10) VDC / Potentiometer or 5-24VDC pulse.
On or Off Duty cycle2 to 20 seconds (user adjustable) using on card potentiometer.
Voltage Output0 to 230VAC variable on/off duty cycle proportional to the control signal.
Max Current Load10A @ 2KW, 20A @ 4KW, 30A @ 6KW and 40A @ 8KW
Load TypeSuitable for resistive and inductive / transformer load
PhaseSingle Phase

Model Wise Descriptions:

ModelProductSIZE (HxWxD)
POW-1-ZCLOW RATINGS SINGLE PHASE THYRISTOR
POW-1-ZC-10A (2KW)Single phase Zero Cross over PWM based thyristor power regulator - suitable for max. 2KW /10A @ 240VAC (PANEL MOUNT)190 X 110 X 100
POW-1-ZC-20A (4KW)Single phase Zero Cross over PWM based thyristor power regulator - suitable for max. 4KW /20A @ 240VAC (PANEL MOUNT)190 X 110 X 100
POW-1-ZC-30A (6KW)Single phase Zero Cross over PWM based thyristor power regulator - suitable for max. 6KW/30A @ 240VAC (PANEL MOUNT)190 X 120 X 115
POW-1-ZC-40A (8KW)Single phase Zero Cross over PWM based thyristor power regulator - suitable for max. 8KW /40A @ 240VAC (PANEL MOUNT)190 X 130 X 115

ONE/TWO PHASE THYRISTORS ( 5 to 190KW) # 4 - 5
POW-1-ZCMEDIUM AND HIGH RATINGS SINGLE PHASE THYRISTORS (5KW TO 110KW)
POW-1-ZC-25A (5KW)Single phase Zero Cross over PWM based thyristor power regulator - suitable for max. 5KW @ 240VAC (PANEL MOUNT)215 x 133 x 210
POW-1-ZC-50A (10KW)Single phase Zero Cross over PWM based thyristor power regulator - suitable for max. 10KW @ 240VAC (PANEL MOUNT)215 x 133 x 210
POW-1-ZC-100A (20KW)Single phase Zero Cross over PWM based thyristor power regulator - suitable for max. 20KW @ 240VAC (PANEL MOUNT)215 x 133 x 210
POW-1-ZC-150A (36KW)Single phase Zero Cross over PWM based thyristor power regulator - suitable for max. 36KW @ 240VAC (PANEL MOUNT)325 X 184 X240
POW-1-ZC-250A (60KW)Single phase Zero Cross over PWM based thyristor power regulator - suitable for max. 60KW @ 240VAC (PANEL MOUNT)325 X 184 X240
POW-1-ZC-300A (72KW)Single phase Zero Cross over PWM based thyristor power regulator - suitable for max. 72KW @ 240VAC (PANEL MOUNT)325 X 184 X240
POW-1-ZC-400A (96KW)Single phase Zero Cross over PWM based thyristor power regulator - suitable for max. 96KW @ 240VAC (PANEL MOUNT)385 X200 X240
POW-1-ZC-500A (120KW)Single phase Zero Cross over PWM based thyristor power regulator - suitable for max. 120KW @ 240VAC (PANEL MOUNT)385 X200 X240
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Additional Information:

  • Item Code: POW-1-ZC
  • Pay Mode Terms: T/T (Bank Transfer)
  • Port of Dispatch: Mumbai
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Two Phase Zero Cross Over PWM SCR Power Regulator POW-2-ZC

Two Phase Zero Cross Over PWM SCR Power Regulator POW-2-ZC
  • Two Phase Zero Cross Over PWM SCR Power Regulator POW-2-ZC
  • Two Phase Zero Cross Over PWM SCR Power Regulator POW-2-ZC
  • Two Phase Zero Cross Over PWM SCR Power Regulator POW-2-ZC
Get Best Quote
Approx. Price: Rs 6,000 / UnitGet Latest Price

Product Details:

TypeManual, Semi-automatic, Automatic
Available Ratings4KW to 207KW @ 415/440 VAC, two phase.
Control ActionZero cross over Burst firing, time proportional with variable duty cycle. (Pulse width modulated)
Control Signal(4-20) mA / (0-5) VDC / (0-10) VDC / Potentiometer or 5-24VDC pulse.
On or Off Duty cycle2 to 20 seconds (user adjustable) using on card potentiometer.
Voltage Outputvariable on/off duty cycle proportional to the control signal.
Load TypeSuitable for resistive and inductive / transformer load
Supply Voltage415/440 VAC +/- 10%, 50/60 Hz.
SizeAs per the Thyristor selection table given Model Wise Descriptions.
MountingOn Base plate of the control panel
PhaseThree Phase

Model Wise Descriptions:

ModelProductSIZE (HxWxD)
POW-2-ZCLOW RATINGS TWO PHASE THYRISTOR
POW-2-ZC-10A (4KW)Two  phase Zero Cross over PWM based thyristor power regulator - suitable  for max. 4KW /10A @ 415/440 VAC  (PANEL MOUNT)190 X 110 X 100
POW-2-ZC-20A (8KW)Two  phase Zero Cross over PWM based thyristor power regulator - suitable  for max. 8KW/20A @ 415/440 VAC  (PANEL MOUNT)190 X 110 X 100
POW-2-ZC-30A (12KW)Two  phase Zero Cross over PWM based thyristor power regulator - suitable  for max. 12KW/30A@ 415/440 VAC  (PANEL MOUNT)190 X 120 X 115
POW-2-ZC-40A (16KW)Two  phase Zero Cross over PWM based thyristor power regulator - suitable  for max. 16KW/40A  @ 415/440 VAC (PANEL MOUNT)190  X 130  X 115
POW-2-ZCMEDIUM AND HIGH RATINGS  TWO PHASE THYRISTORS (10KW TO  207KW)
POW-2-ZC-25A (10KW) Two phase Zero Cross over PWM based thyristor power regulator  - suitable  for max. 10KW @ 415VAC (PANEL MOUNT)215 x 133 x 210
POW-2-ZC-50A (21KW) Two phase Zero Cross over PWM based thyristor power regulator  - suitable  for max. 21KW @ 415VAC   (PANEL MOUNT)215 x 133 x 210
POW-2-ZC-100A (42KW) Two phase Zero Cross over PWM based thyristor power regulator  - suitable  for max. 42KW @ 415VAC  (PANEL MOUNT)215 x 133 x 210
POW-2-ZC-150A (62KW) Two phase Zero Cross over PWM based thyristor power regulator  - suitable  for max. 62KW @ 415VAC  (PANEL MOUNT)325 X 184 X240
POW-2-ZC-250A (103KW) Two phase Zero Cross over PWM based thyristor power regulator  - suitable  for max. 103KW @ 415VAC (PANEL MOUNT)325 X 184 X240
POW-2-ZC-300A (124KW) Two phase Zero Cross over PWM based thyristor power regulator  - suitable  for max. 124KW @ 415VAC (PANEL MOUNT)325 X 184 X240
POW-2-ZC-400A (166KW) Two phase Zero Cross over PWM based thyristor power regulator  - suitable  for max. 166KW @ 415VAC  (PANEL MOUNT)325 X 184 X240
POW-2-ZC-500A (207KW) Two phase Zero Cross over PWM based thyristor power regulator  - suitable  for max. 207KW @ 415VAC   (PANEL MOUNT)325 X 184 X240
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Additional Information:

  • Item Code: POW-2-ZC
  • Pay Mode Terms: T/T (Bank Transfer)
  • Port of Dispatch: Mumbai
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3 Phase Zero Cross Over PWM SCR Power Switch POW-3-ZC

3 Phase Zero Cross Over PWM SCR Power Switch POW-3-ZC
  • 3 Phase Zero Cross Over PWM SCR Power Switch POW-3-ZC
  • 3 Phase Zero Cross Over PWM SCR Power Switch POW-3-ZC
  • 3 Phase Zero Cross Over PWM SCR Power Switch POW-3-ZC
  • 3 Phase Zero Cross Over PWM SCR Power Switch POW-3-ZC
Get Best Quote
Approx. Price: Rs 16,500 / UnitGet Latest Price

Product Details:

Available Ratings3KW to 360KW @ 415VAC, 3 phase.
Supply Voltage415/440 VAC, 50/60 Hz. (User should specify)
Available ModelsAs given in the above table (Under Model wise description)
Size Power PackAs per Std. (Sizes can be given on request-based on the model)
Available ConfigurationThree phase (2 leg and 3 leg control) 3 wire star or delta.
Control ActionZero cross over Burst firing, time proportional with variable duty cycle.
Control Signal(4-20) mA / (0-5) VDC / (0-10) VDC / Potentiometer or 0-12VDC pulse.
On or Off Duty cycle2 to 20 seconds (user adjustable) using on card potentiometer.
Output0 to 230VAC or 0 to 415VAC variable on/off duty cycle proportional to the control signal.
Load TypeSuitable for resistive and inductive / transformer load (25A to 500A @ 230/415 VAC)
Type Semi-Automatic, Automatic, Manual, Analog
ModelPOW-3-ZC

Model Wise Descriptions:

ModelProductSIZE (HxWxD)
POW-3-ZCTHREE PHASE THYRISTORS FOR 3 WIRE STAR/CLOSE DELTA CONNECTED LOAD (2 or 3 leg control)
POW-3-ZC-2L-25A (16KW)Three phase Zero Cross over PWM based thyristor power regulator - 2 leg control suitable for max. 16 KW @ 415/440 VAC in star or delta configuration (PANEL MOUNT)250 X 160 X 180
POW-3S-ZC-3L-25A (16KW)Three phase Zero Cross over PWM based thyristor power regulator - 3 leg control suitable for max. 16 KW @ 415/440 VAC in only star configuration (PANEL MOUNT)250 X 160 X 180
POW-3-ZC-2L-50A (33KW)Three phase Zero Cross over PWM based thyristor power regulator - 2 leg control suitable for max. 33 KW @ 415/440 VAC in star or delta configuration (PANEL MOUNT)275 X 185 X 210
POW-3S-ZC-3L-50A (33KW)Three phase Zero Cross over PWM based thyristor power regulator - 3 leg control suitable for max. 33 KW @ 415/440 VAC in only star configuration (PANEL MOUNT)275 X 185 X 210
POW-3-ZC-2L-100A (72KW)Three phase Zero Cross over PWM based thyristor power regulator - 2 leg control suitable for max. 72 KW @ 415/440 VAC in star or delta configuration (PANEL MOUNT)325 X 185 X240
POW-3S-ZC-3L-100A (72KW)Three phase Zero Cross over PWM based thyristor power regulator - 3 leg control suitable for max. 72 KW @ 415/440 VAC in only star configuration(PANEL MOUNT)325 X 185 X240
POW-3-ZC-2L-400A (288KW)Three phase Zero Cross over PWM based thyristor power regulator - 2 leg control suitable for max. 288 KW @ 415/440 VAC in star or delta configuration (PANEL MOUNT)455 X 360 X 360
POW-3-ZC-3L-400A (288KW)Three phase Zero Cross over PWM based thyristor power regulator - 3 leg control suitable for max. 288 KW @ 415/440 VAC in only star configuration (PANEL MOUNT)455 X 360 X 360
POW-3-ZC-2L-500A (360KW)Three phase Zero Cross over PWM based thyristor power regulator - 2 leg control suitable for max. 360 KW @ 415/440 VAC in star or delta configuration (PANEL MOUNT)500 X 400 X 300
POW-3-ZC-3L-500A (360KW)Three phase Zero Cross over PWM based thyristor power regulator - 3 leg control suitable for max. 360 KW @ 415/440 VAC in only star configuration (PANEL MOUNT)500 X 400 X 300
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Additional Information:

  • Item Code: POW-3-ZC
  • Pay Mode Terms: T/T (Bank Transfer)
  • Port of Dispatch: Mumbai
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Three Phase Zero Cross Over Heater Power Switch POW-12

Three Phase Zero Cross Over Heater Power Switch POW-12
  • Three Phase Zero Cross Over Heater Power Switch POW-12
  • Three Phase Zero Cross Over Heater Power Switch POW-12
  • Three Phase Zero Cross Over Heater Power Switch POW-12
  • Three Phase Zero Cross Over Heater Power Switch POW-12
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Approx. Price: Rs 12,500 / UnitGet Latest Price

Product Details:

ApplicationIndustrial Use
Available Ratings1.5KW to 24KW @ 415VAC/440VAC, 3 phase.
SizeAs per the Thyristor selection table given Model Wise Descriptions.
BrandLIBRATHERM
ModelPOW-12
MountingPower pack can be mounted on the base plate of the control panel
Available ConfigurationThree phase (2 leg and 3 leg control) 3 wire star or delta.
Control ActionZero cross over Burst firing, time proportional with variable duty cycle.
Control Signal(4-20) mA / (0-5) VDC / (0-10) VDC / Potentiometer or 5-24VDC pulse.
On or Off PWM Duty cycle2 to 20 seconds (user adjustable) using on card potentiometer.
Outputon/off duty cycle proportional to input control signal from external controller.
Load TypeSuitable for resistive and inductive / transformer load
Supply Voltage415/440 VAC, 50/60 Hz. (User should specify)

Model Wise Description:


ModelProductSIZE (HxWxD)
POW-12-ZC-2LLOW RATINGS 2 LEG THREE PHASE THYRISTORS (STAR/DELTA CONNECTED LOAD)
POW-12-ZC-2L-10A (6KW)Three phase Zero Cross over PWM based thyristor power regulator - 2 leg control suitable for 3 to 6 KW @ 415/440 VAC in star or delta configuration (PANEL MOUNT)235 X 200 X 75
POW-12-ZC-2L-20A (12KW)Three phase Zero Cross over PWM based thyristor power regulator - 2 leg control suitable for 7 to 12 KW @ 415/440 VAC in star or delta configuration (PANEL MOUNT)235 X 200 X 75
POW-12-ZC-2L-30A (18KW)Three phase Zero Cross over PWM based thyristor power regulator - 2 leg control suitable for 13 to 18 KW @ 415/440 VAC in star or delta configuration (PANEL MOUNT)235 X 200 X 75
POW-12-ZC-2L-40A (24KW)Three phase Zero Cross over PWM based thyristor power regulator - 2 leg control suitable for 19 to 24 KW @ 415/440 VAC in star or delta configuration (PANEL MOUNT)235 X 200 X 75
POW-12S-ZC-3LLOW RATINGS 3 LEG THREE PHASE THYRISTORS (ONLY FOR STAR CONNECTED LOAD)
POW-12S-ZC-3L-10A (6KW)Three phase Zero Cross over PWM based thyristor power regulator - 3 leg control suitable for 3 to 6 KW @ 415/440 VAC in star configuration (PANEL MOUNT)235 X 200 X 75
POW-12S-ZC-3L-20A (12KW)Three phase Zero Cross over PWM based thyristor power regulator - 3 leg control suitable for 7 to 12 KW @ 415/440 VAC in star configuration (PANEL MOUNT)235 X 200 X 75
POW-12S-ZC-3L-30A (18KW)Three phase Zero Cross over PWM based thyristor power regulator - 3 leg control suitable for 13 to 18 KW @ 415/440 VAC in star configuration (PANEL MOUNT)235 X 200 X 75
POW-12S-ZC-3L-40A (24KW)Three phase Zero Cross over PWM based thyristor power regulator - 3 leg control suitable for 19 to 24 KW @ 415/440 VAC in star configuration (PANEL MOUNT)235 X 200 X 75
Features:
  • 3 phase versions
  • Auto / Manual operation.
  • Accepts (4-20)mA / (0-5)VDC / (0-10)VDC or 8 to 24VDC pulse as the control signal.
  • Simple and Modular design for easy servicing of cards and thyristors.
  • Suitable for both inductive and resistive heating loads.
  • Finds application in 3 phase Air heaters in AHU / HVAC.
  • Compatible with DDC/PID/PLC of any brand.
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Additional Information:

  • Item Code: POW-12-ZC
  • Pay Mode Terms: T/T (Bank Transfer)
  • Port of Dispatch: Mumbai
Yes! I am interested
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Kamlesh Panchal (Managing Director)
No. 401-403, Diamond Industrial Estate, Ketki Pada Road
Dahisar East, Mumbai- 400068, Maharashtra, India



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