10PCS Omron G8V Relay DC12V

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What Is the Omron G8V-RH-1C7T-R-DC12 Relay?

In short: The Omron G8V-RH-1C7T-R-DC12 is a micro ISO automotive plug-in relay with a 12V DC coil and SPDT (single-pole double-throw) contact configuration. Sold here as a lot of 10 pieces, it is built for high-vibration environments and widely used in automotive fuse boxes, power distribution modules, and industrial DC control panels.

Omron's G8V series has earned a reputation for dependable performance in applications where intermittent faults are simply not acceptable. These relays sit inside engine compartments, under dashboards, and inside industrial cabinets — places where temperature swings, vibration, and electrical noise conspire to defeat lesser components. The micro ISO footprint (also referred to as micro 280) has become an industry-standard form factor in passenger vehicles, commercial trucks, and heavy equipment, which means replacement units are readily cross-referenced and globally available.

This 10-piece lot is especially useful for repair shops maintaining multiple vehicle types, fleet operators standardizing spare-parts kits, and panel builders who need a small production-run quantity without committing to full-reel orders.

Product Specifications

Why Choose Omron for Automotive Relays

Omron brings decades of precision electromechanical manufacturing to the automotive relay market. The G8V series benefits from the same quality systems that produce Omron's industrial PLCs, sensors, and control components. Key design elements include silver-alloy contacts formulated for suppressed arcing, a bobbin design that resists coil-wire fatigue across millions of thermal cycles, and a transparent housing that allows visual inspection of contact condition without removing the relay from its socket.

Common Applications

The G8V-RH-1C7T-R-DC12 appears in fuel pump circuits, horn and lighting relays, radiator fan controllers, ECU power distribution, and auxiliary lighting harnesses across Japanese, Korean, and European vehicle platforms. Beyond automotive, these relays serve in marine DC electrical systems, off-grid solar charge controllers, and industrial machine control where 12VDC logic must switch higher-current loads.

Frequently Asked Questions

How does the G8V-RH-1C7T-R-DC12 differ from a standard Bosch-type cube relay?

The micro ISO form factor is physically smaller than the common 1-inch cube relay (approx. 15mm wide vs. 25mm) and uses blade-style terminals that plug into compact fuse/relay boxes. The pinout and socket are different — they are not interchangeable. Always match the relay to its intended socket or panel location.

Can these relays be used in 24V truck systems?

No. This model has a 12VDC coil. Applying 24V to the coil will cause immediate overheating and likely destroy the relay winding. For 24V systems, Omron offers a 24VDC variant under a different part number — contact us with your requirement and we can source the correct version.

What is the expected service life of these relays?

Omron rates the G8V series electrical endurance at a minimum of 100,000 operations at rated load, and mechanical endurance exceeds 10 million cycles. Real-world service life depends on switching frequency, load type (resistive vs. inductive), ambient temperature, and whether a flyback suppression diode is used across the coil.

Are sockets or connectors included in this 10-piece lot?

This listing is for 10 relay units only. Matching micro ISO sockets and harness connectors are available separately. If you need the complete plug-and-play assembly, please mention it in your inquiry and we will include compatible socket recommendations.

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