On the road to zero emissions
Components for safer, more reliable electrical generation, storage, and charging
Omron has the power relays, sensors and connectors required for modern energy generation, storage and use.
As a global manufacturer with key competence in sensing and control technology, Omron provides an array of dependable and highly qualified electro-mechanical components that drive the performance, reliability, and safety of electrical equipment. For commercial buildings which account for a large amount of energy consumption, efforts are being called to reach “zero emission”. In residential, households are increasingly generating power to recharge electrical devices and vehicles. In both cases, this is achieved by the installation of stable renewable energy sources such as solar photovoltaic power generation systems and storage batteries. With these efforts, we are coming closer to realizing a decentralized society that does not rely on conventional power sources.
Featured applications
PV inverters
Recent development of mega-solar photovoltaic power generation systems is looking more into increasing the capacity of decentralized PV inverters to maximize power generation and reduce maintenance costs.
As PV inverters are being tailored to handle more and more power, the design of heat dissipation becomes challenging. To solve that, Omron has developed new lines of relays G9KA and G7EB that have the lowest contact resistance in the market. The new models minimize loss and generate less heat, allowing the designers to use smaller cooling fans and smaller heat sinks, thus reducing overall costs and improving efficiency
Energy storage systems
Homeowners and businesses are now turning to storage batteries to increase solar self-consumption.
Furthermore, there is a trend in using high-capacity and high output batteries to recharge electric vehicles and provide back-up power. The new high capacity DC relay, G9KB, 50A, 600VDC with bidirectional switching allows for use of one relay for electrical charging and discharging where in the past two relays connected in parallel were required. The G6QE 36A, 250 VAC miniature high switching current relay is used to disconnect from the power grid in the event of a failure in the primary power source input or equipment faults. The new G2RG-X compact, high voltage DC power relay is designed with 500VDC 10A switching capacity, which was developed for inrush current prevention in equipment such as ESS.
Stationary EV chargers and V2H (vehicle to home)
With the growing demand of electric vehicles (EVs), the charging infrastructure is increasing, including the number of EV charging stations in various locations at homes and across cities (Level 2). There is a growing trend in developing EV chargers with high-capacity output to achieve shorter charging time.
The G9TB 120A, 276VAC AC latching relay is compact in form factor for a minimal footprint and requires less power consumption for energy efficiency. It is used to disconnect from the power grid in the event of a failure in the primary power source input or equipment faults. The proliferation of solar photovoltaic power generation systems and electric vehicles across homes has led to an increase in EV batteries for stationary storage applications. For such applications, DC charge and discharge control are carried out. The G2RG-X power relay with 500VDC 10A switching capacity with a bypass circuit is used to protect the equipment against inrush current that occurs at the start of charging. G5NB relays are used in circuits where the insulation resistance between the DC input line and the ground is measured before the EV charger starts. If the insulation resistance is greater than the specified threshold value, the operation stops as provided by the safety standards.
Featured Products
G9KA high power / temp relay
Low-heat generating design with low contact resistance of 0.2 m Ω* for high capacity / current applications. 200 A (300 A for G9KA-E version) high-current switching capability with class-leading super compact and low-profile package.
New! G7EB high power, low-heat generation power relay
Low-heat generating design with low CR of 5 m Ω* for high capacity / current applications. *As an initial value. 480 VAC / 150 A high current switching capability. Ambient temperature: 85℃, ideal for PV inverters.
New! G6QE miniature and low height single-pole power relay
High switching current of 36 A@250 VAC and 10,000 operations, 30 A@250 VAC and 100,000 operations in a miniature package. Applications include PV inverters and EV chargers.
G9TA 60 A high power latching relay
High power switching in a compact size. High magnetic latching force provides vibration resistance. Low contact resistance. Conforms to UL 508 (Except PCB terminals type).
G9TB 120 A compact and high power latching relay
High power switching: 120 A, 276 VAC. Compact size: 37 mm × 43 mm × 22 mm. Low temperature-rise. High overcurrent capability, conforming to IEC62055-31 UC3.
G9KB 800 VDC, 50A high capacity power relay
High capacity up to max 800 VDC, 50 A and bidirectional opening and closing is achieved. Contact gap: 3.6 mm or more. Low initial contact resistance ≤5 mΩ. UL 60947-4-1 and EN 61810-10-certified.
G7L-X PCB power relays
Compact power relay capable of switching 1,000 VDC loads DC high capacity switching for both normal and reverse polarity available. Applications include rapid shutdown and energy storage systems.
G5PZ-X Compact bidirectional power relay
This SPST-NO relay supports high DC voltage applications with its 20A at 200VDC maximum capability. The high DC capacity characteristic makes the G5PZ-X ideal for energy storage systems, as well as inrush protection for inverters.
D2GW sealed ultra subminiature basic switch
A fixed slit saves space on customer units and contributes to a slim form (8.3 x 6.5 x 5.3 mm). A sliding structure delivers quiet operation. Micro-load support thanks to high contact reliability.
XW4 terminal blocks
Push-in terminals to easy complete connections. PCB terminal blocks with 2.54mm pitch. Applications include PV inverters and energy storage systems.
D6T MEMS thermal sensor
Realize non-contact overheat monitoring. Identifies the location of overheating with high resolution pixel. Easy to use. No need for temperature conversion calculation.
XG4 flat cable connectors
MIL connectors are used for signal connection between control circuit boards and motherboard. Applications include PV inverters and energy storage systems.
Energy Applications
Power generation
Power transformers
Energy storage
Electric vehicle charging
Uninterruptible Power Supply
