Omron G3NA-D210B-UTU Solid State Relay – Industrial-Grade AC Load Switching Solution

The Omron G3NA-D210B-UTU represents the pinnacle of solid-state relay technology, specifically engineered for demanding industrial automation applications requiring reliable AC load switching. As part of Omron's acclaimed G3NA series, this premium solid-state relay (SSR) eliminates the drawbacks of mechanical relays with its completely silent operation, absence of moving parts, and exceptional durability. The device's advanced semiconductor switching technology ensures spark-free operation, making it ideal for hazardous environments where explosive gases or dust may be present. With its industrial-grade construction and wide operating temperature tolerance, the G3NA-D210B-UTU delivers maintenance-free performance in the most challenging conditions.

Key Features and Technical Advantages

• Universal Input Voltage Compatibility (4-32V DC): The wide input voltage range accommodates virtually all industrial control voltages, including compatibility with 5V microcontroller outputs, 12V automotive systems, and 24V industrial PLC outputs without requiring additional voltage regulation components.
• High-Capacity AC Switching (10A @ 100-240V AC): Engineered to handle substantial resistive loads up to 10A continuous current at 100-240V AC (50/60Hz), with an impressive inrush current withstand capability of 100A for one cycle at 60Hz.
• Reinforced Isolation (4000V AC): Advanced optical isolation technology provides complete electrical separation between control and load circuits, meeting stringent industrial safety standards and protecting sensitive control equipment from voltage transients.
• Precision Zero-Cross Switching: Integrated zero-cross detection circuitry ensures switching occurs precisely at the AC waveform's zero-voltage point, significantly reducing inrush currents and electromagnetic interference (EMI) that can disrupt sensitive electronic equipment.
• Space-Efficient DIN Rail Design: The compact 22.5mm width housing with 35mm DIN rail compatibility allows for high-density panel installations, optimizing valuable control cabinet space in industrial environments.
• Extended Operational Temperature Range (-30°C to +80°C): Military-grade components ensure reliable switching performance across extreme temperature variations, from freezing industrial environments to high-temperature applications near heat sources.
• Energy-Efficient Operation (1.2W max power consumption): The low-power design minimizes heat generation and reduces overall system energy requirements, contributing to lower operational costs over the product lifecycle.
• Omron 1-Year Limited Warranty: Backed by Omron's industry-leading quality commitment, this product includes a comprehensive 1-year manufacturer warranty against defects in materials and workmanship.

Industrial Applications and Use Cases

The Omron G3NA-D210B-UTU solid state relay is the preferred solution for industrial engineers and automation specialists across multiple sectors:

• Industrial Automation Systems: Ideal for machine control applications, automated assembly lines, packaging equipment, and robotic systems where reliable, maintenance-free switching is critical for continuous operation.
• Precision Temperature Control: Perfect for controlling heating elements in industrial ovens, plastic molding machines, food processing equipment, and laboratory instruments requiring precise thermal regulation.
• Power Management Solutions: Used in electrical distribution panels, power factor correction systems, and load shedding applications where silent, spark-free switching is essential for safety and reliability.
• Motor Control Applications: Suitable for small to medium AC motor control in conveyor systems, pumps, fans, and other industrial machinery where the zero-cross function prevents damaging current surges.
• Professional Lighting Control: Provides reliable switching for high-power industrial lighting systems, stage lighting rigs, and architectural lighting installations where silent operation and long lifespan are crucial.
• HVAC and Refrigeration: Used in commercial heating, ventilation, and air conditioning systems for compressor control, electric heating elements, and fan motor switching applications.
• Test and Measurement Equipment: Incorporated into automated test systems and laboratory equipment where precise AC power control and electrical isolation are required.

Comprehensive Technical Specifications

Parameter	Detailed Specification
Manufacturer Part Number	G3NA-D210B-UTU (Genuine Omron component)
Input Control Characteristics	4-32V DC input range, 3.5mA typical current consumption at 5V, 10mA maximum at 32V DC
Output Switching Capacity	100-240V AC (50/60Hz) output range, suitable for worldwide voltage standards
Maximum Continuous Current	10A RMS with resistive loads (derating required for inductive loads or high ambient temperatures)
Inrush Current Capability	Withstands 100A inrush current for one cycle at 60Hz (approximately 16.7ms)
Conduction Voltage Drop	1.6V maximum (typically 1.2V) when conducting full load current
Leakage Current	1mA maximum leakage current when in off state, ensuring complete circuit isolation
Switching Performance	Turn-on time: 1ms maximum at zero cross point, Turn-off time: 1/2 AC cycle +1ms maximum
Isolation Specifications	4000V AC isolation between input and output for 1 minute duration, meeting industrial safety standards
Environmental Specifications	Operating temperature: -30°C to +80°C (non-condensing), Storage temperature: -40°C to +100°C
Mechanical Characteristics	DIN rail mountable (35mm standard) or panel mountable with screw terminals for secure wiring
Physical Dimensions	22.5mm (W) × 45mm (H) × 55mm (D) (0.89" × 1.77" × 2.17") compact footprint
Product Weight	Approximately 100g (3.5oz) lightweight design
Safety Certifications	UL508 recognized component, CE compliant when installed according to Omron specifications
Warranty Coverage	1-year limited warranty from date of purchase against manufacturing defects

Engineering Benefits of the G3NA-D210B-UTU Solid State Relay

The Omron G3NA-D210B-UTU solid state relay delivers superior performance compared to conventional electromechanical relays through its advanced semiconductor switching technology. The absence of mechanical contacts eliminates contact bounce, arcing, and the associated contact wear that plagues traditional relays. This results in an operational lifespan typically exceeding 100,000 switching cycles under rated conditions - far surpassing mechanical relay durability.

The device's zero-cross switching capability provides significant advantages in AC load control applications. By synchronizing switching transitions with the AC waveform's zero-voltage point, the relay minimizes electromagnetic interference (EMI) and reduces stress on connected loads. This feature is particularly valuable in sensitive electronic environments where electrical noise must be minimized.

With its compact DIN rail mountable design, the G3NA-D210B-UTU enables high-density installations in control panels and automation cabinets. The screw terminal connections ensure secure wiring that resists vibration and mechanical stress, while the clearly marked terminals simplify installation and maintenance procedures.

Important Installation Note: For optimal performance and reliability, ensure adequate heat dissipation when operating at maximum load current. A minimum 20% derating is recommended for ambient temperatures above 40°C or when controlling inductive loads. Proper heatsinking may be required for continuous high-current operation.