Omron Solid State Relay (SSR)
Omron Solid State Relays (SSR) are electronic switching devices used to control electrical loads without mechanical contacts. Unlike electromechanical relays, Omron SSRs use semiconductor switching components to control loads in industrial heating, temperature control, packaging equipment, and automated machinery. These devices are part of the solid state relays used for frequent switching and industrial load control applications.
The Omron SSR range includes single-phase and three-phase solid state relays with different load current ratings, control input voltages, switching characteristics, and mounting configurations. Depending on the series and model, options include zero-cross and random-turn-on switching for suitable AC load applications. Omron solid state relays are commonly used with temperature controllers, heaters, and industrial control systems where contactless switching is required. Browse the available series and models below to compare specifications, output ratings, and connection requirements. Related Omron industrial controls are also available for machine automation applications.
Omron Solid State Relay Series
Omron G3NA Solid State Relay
- Type: Panel-mount solid state relay
- Load Switching: AC electrical loads
- Control Input: Model-dependent DC input voltage
- Application: Industrial heater and temperature control systems
Omron G3NE Solid State Relay
- Type: Compact solid state relay
- Load Switching: AC electrical loads
- Mounting: Panel mounting
- Application: Industrial heaters and temperature control equipment
Omron G3PA Solid State Relay
- Type: DIN-rail-mount solid state relay
- Load Switching: AC electrical loads
- Mounting: DIN rail with integrated heat sink
- Application: Industrial heaters and temperature control panels
Omron G3PE Solid State Relay
- Type: Solid state contactor
- Load Switching: Single-phase and three-phase AC loads
- Mounting: DIN rail or screw mounting, depending on model
- Application: Industrial heaters and temperature control systems
Omron G3PJ Solid State Relay
- Type: Compact solid state contactor
- Load Switching: AC electrical loads
- Mounting: DIN rail
- Application: Industrial heater and temperature control panels
Omron G3PF Solid State Relay
- Type: Solid state relay with fault detection
- Load Switching: AC electrical loads
- Protection: Model-dependent fault detection functions
- Application: Industrial heater monitoring and temperature control
Omron G3F Solid State Relay
- Type: Plug-in solid state relay
- Mounting: Compatible relay socket
- Switching: Semiconductor-based load control
- Application: Industrial control panels and automation equipment
Omron G3H Solid State Relay
- Type: Plug-in solid state relay
- Mounting: Compatible relay socket
- Switching: Semiconductor-based load switching
- Application: Industrial automation and electrical control panels
Omron G3R-I/O Solid State Relay
- Type: Plug-in I/O solid state relay
- Function: Input and output signal interfacing
- Mounting: Compatible relay socket
- Application: PLC interfaces and industrial control panels
Omron G3RV Solid State Relay
- Type: Slim interface solid state relay
- Design: Space-saving relay construction
- Mounting: DIN rail with compatible socket
- Application: PLC interfaces and industrial control panels
Omron G3S Solid State Relay
- Type: PCB-mount solid state relay
- Mounting: Printed circuit board
- Switching: Semiconductor-based load control
- Application: Electronic control circuits and industrial equipment
Omron G3TA Solid State Relay
- Type: Solid state I/O relay
- Function: Input and output signal switching
- Mounting: Compatible relay socket
- Application: PLC interfaces and industrial control systems
Omron G3RZ Power MOS FET Relay
- Type: Power MOS FET relay
- Switching Technology: MOSFET semiconductor output
- Load Control: AC and DC loads within model ratings
- Application: Industrial control and electronic switching circuits
Omron G3PW Single-Phase Power Controller
- Type: Single-phase power controller
- Control Method: Phase control and optimum cycle control
- Load Control: Single-phase AC heating loads
- Application: Industrial heaters and temperature control systems
Omron Solid State Relay Suppliers
Top Omron Solid State Relay Models
Omron Solid State Relay (SSR) models provide contactless electrical load switching for industrial heating, temperature control, and machine automation applications. These Omron SSRs are available in different configurations, including single-phase and three-phase models, with varying load current ratings, control input voltages, and mounting options. Browse the popular Omron Solid State Relay models below to compare electrical ratings, switching characteristics, and specifications for your industrial control requirements.
G3PE-215B DC12-24
G3NA-210B-UTU DC5-24
G3NA-D210B-UTU DC5-24
G3R-ODX02SN-UTU DC5-24
G3RV-ST500-D DC24
G3PA-220B-VD
G3PA-240B-VD
G3PE-225B DC12-24
Types of Omron Solid State Relays
Omron Solid State Relays are available in different configurations based on load type, mounting method, and switching requirements. Selecting the right Omron SSR depends on the operating voltage, load current, control input, installation space, and application. The following types are commonly used in industrial automation and electrical control systems.
Single-Phase Solid State Relays
Single-phase SSRs are designed to switch compatible single-phase electrical loads without mechanical contacts. They are commonly used for electric heaters, temperature control equipment, and automated machines. Omron offers single-phase switching options in series such as G3NA, G3NE, and G3PA.
Three-Phase Solid State Relays
Three-phase solid state relays and contactors are used to switch compatible three-phase AC loads in industrial equipment. They are suitable for applications such as three-phase heating systems where the load ratings and switching characteristics match the installation. Selected Omron G3PE models support three-phase load switching.
DIN-Rail Mount Solid State Relays
DIN-rail mount SSRs are designed for installation inside industrial electrical panels. They support organized wiring and convenient integration with other control components. Omron G3PA and G3PJ series offer DIN-rail mounting options for industrial load control applications.
PCB Mount Solid State Relays
PCB mount solid state relays are compact switching devices designed for installation on printed circuit boards. They are used in electronic control equipment where direct board mounting is required. The Omron G3S Series includes PCB-mount SSR models for compatible electrical loads.
Solid State I/O Relays
Solid state I/O relays provide electronic switching interfaces for industrial control signals. Input and output modules perform different functions depending on their configuration. Omron G3R-I/O and G3TA series include interface modules used in automation and control panel applications.
Applications of Omron Solid State Relays
Omron Solid State Relays (SSR) are used for contactless electrical load switching in industrial heating, temperature control, and machine automation systems. They are suitable for applications requiring frequent switching without mechanical contacts.
- Industrial heater and temperature control systems
- Plastic injection moulding and extrusion machines
- Packaging and sealing equipment
- Industrial ovens and drying equipment
- Food processing and manufacturing machinery
- PLC-based electrical load switching
- Industrial automation and electrical control panels
How to Select an Omron Solid State Relay
Selecting the right Omron Solid State Relay (SSR) depends on the electrical load, operating voltage, switching frequency, and installation requirements. Check the following factors before choosing an Omron SSR model.
- Load Type: Identify whether the application requires AC or DC load switching and select a compatible SSR.
- Load Current: Choose a relay with an appropriate current rating, considering operating temperature, inrush current, and load characteristics.
- Control Input Voltage: Match the SSR input voltage range with the output signal from the PLC, temperature controller, or control circuit.
- Switching Method: Select zero-cross or random-turn-on switching where supported, based on the load and control requirements.
- Mounting Type: Choose panel-mount, DIN-rail, plug-in, or PCB-mount configurations according to the installation.
- Heat Dissipation: Check heat sink requirements, thermal derating, and ventilation to maintain safe operating temperatures.
- Series and Model: Compare Omron SSR series specifications, load ratings, and connection requirements before final selection.
Omron Solid State Relay FAQs
What is a Solid State Relay (SSR)?
A Solid State Relay (SSR) is an electronic switching device that controls electrical loads using semiconductor components instead of moving mechanical contacts. Omron Solid State Relays are used in industrial heating, temperature control, and automation systems where frequent contactless switching is required.
What is the difference between a Solid State Relay and a normal relay?
A Solid State Relay uses electronic components to switch electrical loads, while a normal electromechanical relay uses moving contacts. SSRs operate silently and are suitable for frequent switching. However, they generate heat during operation and may have off-state leakage current. Mechanical relays provide physical contact separation when open and are suitable for different load requirements.
What is the working principle of a Solid State Relay?
A Solid State Relay works by receiving a control signal at its input, which activates an electronic switching circuit. Depending on the relay design, semiconductor devices such as TRIACs, thyristors, or MOSFETs control the connected load. Many SSRs use optical isolation between the input and output circuits. The switching operation depends on the SSR type and model.
What are the two main types of Solid State Relays?
The two main types based on output load are AC Solid State Relays and DC Solid State Relays. AC SSRs switch compatible alternating-current loads, while DC SSRs control direct-current loads. Solid State Relays are also classified by phase, mounting method, and switching characteristics. Omron offers different SSR configurations depending on the series and model.
What is the difference between Single Phase and Three Phase Solid State Relays?
A Single Phase Solid State Relay is used to switch compatible single-phase AC loads, such as industrial heaters and temperature control equipment. A Three Phase Solid State Relay is designed for switching three-phase electrical loads in industrial heating and automation systems. Omron G3NA and G3NE series include single-phase SSR models, while selected Omron G3PE models support three-phase switching. Selection depends on the load voltage, current rating, control input, and application requirements.
Conclusion
Omron Solid State Relays (SSR) provide contactless electrical load switching for industrial heating, temperature control, and machine automation applications. These electronic relays use semiconductor components instead of mechanical contacts, making them suitable for frequent switching operations in industrial equipment and electrical control systems.
The Omron SSR range includes G3NA, G3NE, G3PA, G3PE, G3PJ, and other series with different load current ratings, control input voltages, switching characteristics, and mounting configurations. Single-phase and three-phase solid state switching options allow users to select suitable models based on electrical load requirements, operating conditions, heat dissipation, and installation needs.
Omron Solid State Relay price depends on the series, model, load current capacity, operating voltage, and mounting configuration. IndMALL provides access to Omron SSR models for industrial automation and electrical load control applications. Compare available models, technical specifications, and prices, and request a quotation for your required solid state relay.







