DIRECTIONAL LED - OVAL GROMMET MOUNT - 12-24VDC - 7 FLASH PATTERNS - BLUE

ECCO 3861B Directional LED Light — Blue, Oval Grommet / Surface Mount (12-24 V, 7 Flash Patterns)

Illuminate your vehicle with the ECCO 3861B, a high-visibility directional LED light built for safety, utility, and fleet applications. As part of ECCO’s reputable 3811 / 3861 series, the 3861B delivers strong output using 20 high-intensity LEDs with individual reflectors, packaged in a rugged oval housing with either grommet or surface mounting options. Designed for 12–24 V systems, this light supports 7 selectable flash patterns and offers synchronization capability when used with matching ECCO modules. With a polycarbonate lens and encapsulated electronics, the 3861B stands up to harsh environments while maintaining low maintenance service.

Key Features & Specs

• Color / Lens: Blue light output (clear/off when inactive)
• Mounting Options: Available in oval grommet or surface mount configurations
• Voltage Range: 12-24 V DC compatibility
• Flash Patterns: 7 user-selectable flash modes
• LED Array: 20 high-intensity LEDs, each with its own reflector for better optical output
• Housing & Durability: Polycarbonate housing with encapsulated electronics for resistance to vibration, moisture, and general wear
• Current Draw: ~0.26 A in normal operation
• Dimensions: ~6.5″ wide × ~2.2″ high × ~1.2″ depth (oval form)
• Compliance: Meets SAE Class I warning light standards (for directional LED modules)
• Synchronization: Can sync flash with other ECCO 3811/3861 series modules for coordinated lighting effects

Recommended Applications

• Emergency and public safety vehicles needing directional or marker lighting
• Service trucks, utility fleets, maintenance vehicles
• Tow trucks, municipal fleets, and signage / arrow display upgrades
• Anywhere a strong directional LED is needed in a compact, rugged package

Installation & Best Practices

• Choose mounting method (grommet or surface) consistent with your vehicle body design.
• Use proper sealants or grommets when installing via body panels to maintain water tightness.
• Use fused power and correct wire gauge to minimize voltage drop over runs.
• Ground the unit to a solid chassis connection to reduce flicker or noise.
• When synchronizing multiple units, follow ECCO’s recommended wiring topology.
• Periodically clean lens surfaces and inspect mount hardware in heavy vibration settings.

Offer your customers reliable, high-output directional lighting with the ECCO 3861B, a field-proven solution in the 3811/3861 series.