School Crossing Flashing LED Ring (S1-1)

Part Number: M75-R3030-BA45 / M75-R3636-BA45

Summary

The School Crossing Flashing LED Ring (S1-1) enhances pedestrian crossing safety with a bright amber perimeter lighting pattern fully outlining the S1-1 sign. Featuring MUTCD-compliant LED placement, sealed electronics, and 12 VDC operation, this LED ring ensures high visibility during daylight, nighttime, and poor weather conditions. It can be activated by schedule, radar, time-clock, sensor input, or manually trigger-based control through TraffiCalm controllers.

Product Options

Available configurations:

• M75-R3030-BA45 – 30" × 30" LED ring
• M75-R3636-BA45 – 36" × 36" LED ring

Specifications

Available Sizes

• 30" × 30"
• 36" × 36"

Illumination

• LEDs configured within the sign perimeter (MUTCD compliant)
• LED pitch within cluster: 0.35" (0.89 cm)
• LED cluster pitch: 6" (15.24 cm)
• Amber LEDs with 15° viewing angle
• LED rated lifetime: 100,000 hours

LED Performance and Electrical

• Operating voltage: 12 VDC
• Performance by size:
  • 30" × 30": 56 LEDs – 109,200 candela – 0.336 A
  • 36" × 36": 60 LEDs – 117,000 candela – 0.360 A

Construction

• 14-gauge 5052 aluminum
• Individually lensed LEDs recessed behind faceplate
• Fully sealed potted electronics
• All wiring UL-2464 rated

Physical Description

• Ring Height (A): 29" (73.7 cm) for both sizes
• Ring Width (B):
  • 29" (73.7 cm) – 30" model
  • 35" (88.9 cm) – 36" model
• LED Group Offset (C): 6" (15.2 cm)
• Mounting within printed sign border

Mounting

• Adhesive-backed or mounted with included self-tapping screws
• Rivet mounting permitted for anti-tamper installations
• Includes 10 ft (3 m) cable to controller

Compatibility

• Integrates with TraffiCalm SA300 controllers and collaborators
• Activation via push button, speed (radar), time-clock, or sensor input

Environmental

• NEMA 4X enclosure rating
• Operating temperature range: −29.2°F to +165.2°F (−34°C to +74°C)
• Electronics are hermetically sealed

Warranty

• 5-year limited warranty

• Unlimited U.S.-based technical support

Why Choose the School Crossing LED Ring (S1-1)?

• Enhances pedestrian visibility in school crossing areas
• Bright amber perimeter clearly outlines the sign
• Quick retrofit installation on existing sign posts
• Durable and weather-resistant design
• MUTCD-compliant LED placement and flash rate
• Built in an ISO-certified U.S. facility
• Build America / Buy America compliant