Thyristor Power Controller

ELDAC Process Automation’s Thyristor Power Controllers deliver precise, reliable control of electrical power in industrial applications, particularly where heating elements are involved. Our controllers are engineered to regulate power with high accuracy, ensuring that industrial processes operate at optimal efficiency. Whether for controlling heating systems, furnaces, or HVAC systems, these devices provide smooth, variable power regulation, reducing wear on components and extending their lifespan. With multiple control modes available, including phase angle control and burst firing, our Thyristor Power Controllers allow for fine-tuned power delivery that aligns with the specific requirements of each application. The robust construction and built-in safety features of our controllers, such as overload and short-circuit protection, ensure long-lasting performance and reliability. By implementing these power controllers, industries can achieve superior energy management, significantly reducing energy consumption while enhancing the overall efficiency of their operations. This results in not only lower operating costs but also a reduced environmental impact, making our Thyristor Power Controllers an essential component of modern, sustainable industrial processes.

1 Phase Solid State Relay

AC Load DC Control Input  Solid State Relay

  • Single phase solid state relay
  • DC input AC load
  • 3-32VDC Control input
  • 24~480Vac load Voltage
  • From 10 amps up to 200 amps
  • Zero-crossing trigger
  • LED indicator
  • Panel mount
  • Built-in RC snubber circuit
  • With protective cover
  • Triac and back to back SCR

AC Load  AC Control Input SSR Solid State Relay

  • Single phase solid state relay
  • 90~280Vac Control input
  • 24~480Vac load Voltage
  • From 10 amps up to 200 amps
  • Zero-crossing trigger
  • LED indicator
  • Panel mount
  • Built-in RC snubber circuit
  • With protective cover
  • Triac and back to back SCR

3 Phase Solid State Relay

DC Input AC Load 3 Phase Solid State Relays

  • Three phase solid state relay
  • 3-32Vdc input
  • 24~480Vac load
  • From 10 amps up to 200 amps
  • Zero-crossing trigger
  • LED indicator
  • Panel mount
  • Built-in RC snubber circuit
  • With protective cover
  • Triac and back to back SCR

AC Input AC Load 3 Phase SSR(MS-3AA48)

  • Three phase solid state relay
  • 90~280Vac Input
  • 24~480Vac load
  • From 10 amps up to 200 amps
  • Zero-crossing trigger
  • LED indicator
  • Panel mount
  • Built-in RC snubber circuit
  • With protective cover
  • Triac and back to back SCR

GS40-1 Phase Controller

1 Phase SSR – AC Load DC Control Input Solid State Relay

  • Our most compact 1Phase controller design for excellent system integration
  • Amperage size 50A
  • Direct temperature control (Optional)
  • Excellent heat dissipation design
  • Only 300g per unit
  • Fuse less technology
ModelGS40-50, GS40-50-T
Rated Voltage1Phase 110-440VAC
Rated Current50A
Auxiliary Voltage1Phase 110-260VAC ±10%
Frequency45HZ-65HZ
Firing ModePhase Angle and Zero Cross Over Firing Modes
Control ModeVoltage, Current, Power Control Mode Selectable
Load TypeResistive, Inductive (Transformer Coupled), Customizable specific load
CoolingAir Convection Fan (Built in Cooling Fan)
Control Input/SignalAnalog Input -1:  DC Current 4-20mA/0-20mADC DC Voltage 0-10V/0-5VDC or Potentiometer Input
Digital Output1 Digital Output for Alarm
ProtectionPhase Loss, Over Current, SCR Over Heat, load Break, Input Fault
CommunicationBuilt RS485 Modbus RTU
Ambient-10°C to 50°C; Altitude 1000m

SR10T-1 Phase Thyristor Power Controller

  • High performance, low power consumption microprocessor
  • Economic and compact model relative to SR10E
  • Amperage size from 25-150A
  • Direct temperature control capability
  • Fuseless technology
  • SGS CE Certification
ModelSR10T
Rated Voltage1Phase 110-440VAC
Rated Current25A, 40A,50A,80A,100A,120A,150A
Auxiliary Voltage1Phase 165-260VAC ±10%
Frequency45HZ-65HZ
Firing ModePhase Angle and Zero Cross Over Firing Modes
Control ModeVoltage, Current, Power Control Mode Selectable
Load TypeResistive, Inductive (Transformer Coupled), Customizable specific load
CoolingAir Convection Fan (Built in Cooling Fan)
Control Input/SignalAnalog Input -1:  DC Current 4-20mA/0-20mADC
Analog Input -2:  DC Voltage 0-10V/0-5VDC or Potentiometer Input
Digital Input2 Digital inputs   DI-1   for Run Command   DI-2 for Analog input Selection or Auto Manual
Digital Output1 Digital Output for Alarm
ProtectionPhase Loss, Over Current, Short Circuit, SCR Over Heat, load Break, Input Fault
CommunicationBuilt RS485 Modbus RTU
Ambient-10°C to 50°C; Altitude 1000m

SR10E-1 Phase Thyristor Power Controller

  • High performance, low power consumption microprocessor
  • Premium 3Phase controller model
  • Amperage size from 25-800A
  • Customizable for >800A
  • Fuseless technology
  • Capable of multiple controller’s power synchronization
  • SGS CE Certification
ModelSR10E 
Rated Voltage1Phase 110-440VAC
Rated Current25A,50A,80A,100A,150A,200A,250A,320A,450A,600,800A
Auxiliary Voltage1Phase 220VAC±10%
Frequency45HZ-65HZ
Firing ModePhase Angle and Zero Cross Over Firing Modes
Control ModeVoltage, Current, Power Control Mode Selectable
Load TypeResistive, Inductive (Transformer Coupled), Customizable specific load
CoolingAir Convection Fan (Built in Cooling Fan)
Control Input/SignalAnalog Input -1:  DC Current 4-20mA/0-20mADC
Analog Input -2:  DC Voltage 0-10V/0-5V , Pot meter Input
Digital Input2 Digital inputs   DI-1   for Run Command 
DI-2 for Analog input Selection or Auto Manual,
Digital Output1 Digital Output for Alarm/Run
ProtectionPhase Loss, Over Current, Short Circuit,
SCR Over Heat, load Break, Input Fault
CommunicationBuilt RS485 Modbus RTU
OptionalAnalog Output and Additional Digital output
Ambient-10°C to 50°C; Altitude 1000m

M300-3 Phase Thyristor Power Controller

  • M300-3 Phase Thyristor Power Controller
  • Built-in microprocessor control
  • Function as voltage regulator
  • Amperage size 50-120A
  • Excellent heat dissipation design
  • Best for cost savings and durability
  • SSR and voltage regulator replacement, with better control
ModelM300
Rated Voltage3 Phase 260-440VAC
Rated Current100A,150A
Auxiliary Voltage1Phase 220VAC±10%
Frequency45HZ-65HZ
Firing ModePhase Angle and Zero Cross Over Firing Modes
Control ModeVoltage Control
Load TypeResistive Load
CoolingAir Convection Fan (Built in Cooling Fan)
Control Input/SignalAnalog Input : DC Current 4-20mA
DC Voltage 0-10V, Pot meter Input
ProtectionPhase Loss, Over Heat,
Ambient-10°C to 40°C; Altitude 1000m

SR30L- 3 Phase Thyristor Power Controller

  • High performance, low power consumption microprocessor
  • Economic and compact model relative to SR30E
  • Amperage size from 25-320A
  • Direct temperature control capability
  • Fuse less technology
  • SGS CE Certification
ModelSR30L
Rated Voltage3 Phase 260-440VAC
Rated Current25A, 45A,60A,80A,100A,120A,150A,170A,200A,250A,300A
Auxiliary Voltage1Phase 100-240VAC
Frequency45HZ-65HZ
Firing ModePhase Angle and Zero Cross Over Firing Modes
Control ModeVoltage, Current, Power Control Mode Selectable
Load TypeResistive, Inductive (Transformer Coupled), Customizable specific load
CoolingAir Convection Fan (Built in Cooling Fan)
Control Input/SignalAnalog Input -1:  DC Current 4-20mA/0-20mADC
Analog Input -2:  DC Voltage 0-10V/0-5VDC or
                          Potentiometer Input
Digital Input2 Digital inputs   DI-1   for Run Command 
DI-2 for Analog input Selection or Auto Manual
Digital Output1 Digital Output for Alarm/Run
ProtectionPhase Loss, Over Current, Short Circuit,
SCR Over Heat, load Break, Input Fault
CommunicationBuilt RS485 Modbus RTU
Ambient-10°C to 50°C; Altitude 1000m

SR30E-3 Phase Controller

  • High performance, low power consumption microprocessor
  • Premium 3Phase controller model
  • Amperage size from 25-3000A
  • Customizable for >3000A
  • Fuseless technology
  • Capable of multiple controller’s power synchronization
  • SGS CE Certification
ModelSR30E
Rated Voltage3 Phase 260-440VAC
Rated Current25A,50A,80A,100A,150A,200A,250A,320A,
450A,600,800,1500A,2000A
Auxiliary Voltage1Phase 100-240VAC
Frequency45HZ-65HZ
Firing ModePhase Angle and Zero Cross Over Firing Modes
Control ModeVoltage, Current, Power Control Mode Selectable
Load TypeResistive, Inductive (Transformer Coupled), Customizable specific load
CoolingAir Convection Fan (Built in Cooling Fan)
Control Input/SignalAnalog Input -1:  DC Current 4-20mA/0-20mADC
Analog Input -2:  DC Voltage 0-10V/0-5VDC or Pot meter Input
Digital Input3 Digital inputs   DI-1   for Run Command 
DI-2 for Analog input Selection or Auto Manual,
DI-3 Programmable Digital Input
Digital Output1 Digital Output for Alarm
ProtectionPhase Loss, Over Current, Short Circuit,
SCR Over Heat, load Break, Input Fault
CommunicationBuilt RS485 Modbus RTU
Ambient-10°C to 50°C; Altitude 1000m

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