Stop Sign Flashing LED Ring (R1-1)

Part Number: M75-R2424-WR01 / M75-R3030-WR01 / M75-R3636-WR01 / M75-R4848-WR01

Summary

The Stop Sign Flashing LED Ring enhances any existing or new R1-1 STOP sign by outlining the perimeter with high-intensity red LEDs. Engineered for unmistakable visibility under all conditions, it delivers proven driver response and compliance beyond reflective sheeting. The system features fully potted and sealed electronics, rugged aluminum construction, and operates on 12 VDC for activation via continuous operation, scheduling, push button, sensor, radar, or time-clock control.

Product Options

Available configurations:

• M75-R2424-WR01 – 24" LED Ring (Non-MUTCD Compliant)
• M75-R3030-WR01 – 30" LED Ring
• M75-R3636-WR01 – 36" LED Ring
• M75-R4848-WR01 – 48" LED Ring

Specifications

Available Sizes

• 24" (Note: non-MUTCD compliant)
• 30"
• 36"
• 48"

Illumination

• LEDs configured along the sign perimeter
• LED pitch: 1.9" (4.8 cm) on centers
• LED color: red
• LED viewing angle: 30°
• DG3 reflective white sheeting on ring face
• LED rated lifetime: 100,000 hours

LED Performance and Electrical

• Operating voltage: 12 VDC
• Output & LED count:
  • 24": 40 LEDs — 270,000 cd — 0.320 A
  • 30": 48 LEDs — 324,000 cd — 0.384 A
  • 36": 48 LEDs — 324,000 cd — 0.384 A
  • 48": 72 LEDs — 486,000 cd — 0.576 A

Construction

• 14-gauge 5052 aluminum
• Individually lensed LEDs recessed behind faceplate
• Electronics are hermetically sealed and epoxy-potted
• Ring depth: 0.4" (10.2 mm)
• Wiring rated UL-2464

Physical Description

• LED offset: 1.94" (4.8 cm)
• All wiring and electronics concealed — no rear-exposed cabling
• Base-mounted inside white sign border

Mounting

• Mounted with adhesive backing or self-tapping screws
• Rivets may be used for anti-tamper mounting
• Includes 10 ft (3 m) single-lead cable to controller

Compatibility

• Integrates with TraffiCalm Controllers and Collaborators
• Supports push-button activation, radar triggering, time-clock scheduling, or sensor input

Environmental

• Operating temperature: −29.2°F to +165.2°F (−34°C to +74°C)
• NEMA 4X enclosure rating
• Potted electronics for moisture resistance

Warranty

• 5-year limited warranty
• Unlimited technical support from U.S.-based factory technicians

Why Choose the Stop Sign LED Ring?

• Highly visible STOP indication under all conditions
• Proven increase in compliance and stopping behavior
• Rugged sealed construction
• MUTCD-compliant LED placement (except 24" model)
• Made in the USA in ISO-certified facility
• Build America / Buy America compliant