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Product Index :: Industrial Components :: Relays :: Solid-state Relays :: Power Controllers

G3ZA Power Controller

* Ordering information
* Specifications
* Configurations
* Dimensions, and etc

can be found in our PDF brochure.

Optimum Cycle Control for High-precision Control with Low Noise

Smaller than a Normal Power Controller.
Enables low-noise power control in combination with zero-cross SSRs.
One Controller can control up to 8 SSRs.
RS-485 communications to set manipulated variables and heater burnout detection.
CE Marking.
Main upgraded function:
- Soft-start function added for lamp heaters.
- Three-phase optimum cycle control added for three-phase heaters.
- Combining with special CT for 150-A current detection.
  Note: The G3ZA must be used in combination with an SSR without the zero cross function when the soft-start function is used.

Features

Comparison between the G3ZA and Normal Power Controllers

Item

Normal Power Controllers

G3ZA

Connections

Power Controllers Controlled Using Current Output of 4 to 20 mA

Multi-channel Temperature Controller

Control Using Communications from a Host Device
• Direct connection is possible using an EJ1 Modular Temperature Controller.

Modular Temperature Controller (EJ1)

Connection Diagram for Normal Power Controller

Connection Diagram for G3ZA

Control method

Phase Control
• Response is fast and high-precision temperature control is possible.
• Harmonics and noise are problems.

Phase Control

Optimum Cycle Control (High-precision Zero Cross Control)
• Outputs are turned ON and OFF each half cycle.
• Zero-cross control is performed.
• Noise is suppressed while achieving high-speed response with high-precision temperature control.

Optimum Cycle Control (High-precision Zero Cross Control)

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Power Controller

G3PX

Compact and light-weight Power Controller that detects component failures and operating errors.